CN206863320U - Optical imaging system - Google Patents
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- CN206863320U CN206863320U CN201720507951.7U CN201720507951U CN206863320U CN 206863320 U CN206863320 U CN 206863320U CN 201720507951 U CN201720507951 U CN 201720507951U CN 206863320 U CN206863320 U CN 206863320U
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Abstract
The utility model discloses an optical imaging system includes first lens, second lens, third lens, fourth lens, fifth lens and sixth lens by thing side to picture side in proper order. At least one of the first lens element to the fifth lens element has positive refractive power. The sixth lens element with negative refractive power has two aspheric surfaces, and at least one of the surfaces of the sixth lens element has an inflection point. The lenses with refractive power in the optical imaging system are the first lens to the sixth lens. When the specific conditions are met, the optical imaging device can have larger light receiving capacity and better optical path adjusting capacity so as to improve the imaging quality.
Description
Technical field
It the utility model is related to a kind of optical imaging system, and more particularly to a kind of miniaturization applied on electronic product
Optical imaging system.
Background technology
In recent years, as the rise of the portable electronic product with camera function, the demand of optical system increasingly improve.
The photosensory assembly of general optical system is nothing more than being photosensitive coupling component (Charge Coupled Device;CCD it is) or complementary golden
Belong to oxide-semiconductor sensor (Complementary Metal-Oxide Semiconductor Sensor;CMOS
Sensor) two kinds, and progressing greatly with semiconductor process technique so that the Pixel Dimensions of photosensory assembly reduce, optical system by
Gradually develop toward high pixel neighborhoods, therefore the requirement to image quality also increasingly increases.
Tradition is equipped on the optical system on portable equipment, use based on four or five chip lens arrangements more, but by
It is existing in portable equipment is constantly towards lifting pixel and terminal consumer is to the demand such as low-light of large aperture and night shooting function
Optical imaging system can not meet the photography requirement of higher order.
Therefore, the light-inletting quantity of optical imaging system how is effectively increased, and further improves the quality of imaging, is become as one
Individual considerable subject under discussion.
Utility model content
The utility model embodiment provides a kind of optical imaging system, can utilize the refractive powers of six lens, convex surface with
Concave surface combination (convex surface or concave surface described in the utility model refer in principle each lens thing side or image side surface apart from optical axis not
The description of level geometry change), and then the light-inletting quantity of optical imaging system is effectively improved, while improve imaging matter
Amount, with applied on small-sized electronic product.
Row are as follows in detail with its code name for the term of the related mechanism assembly parameter of the utility model embodiment, as subsequent descriptions
Reference:
Fig. 7 A, 7B, 7C are refer to, optical imaging system may include an image sensing module (not illustrating), described image sense
Survey the photosensory assembly that module includes a substrate and is arranged on the substrate;Optical imaging system may include a mirror in addition
Piece positioning component 794, in hollow and first lens any lens into the 6th lens can be housed, and make each described
Mirror is arranged on optical axis, and the lens orientation component includes a thing end 796 and a picture end 798, the thing end 796
It is close to thing side and described close to image side and with one second opening 7982 with one first opening 7962, the picture end 798
The outer wall of mirror positioning component 794 includes two sections 799, and there is a shaping to fill mouth trace 7992 respectively in each section 799.Institute
The internal diameter for stating the first opening 7962 is OD, and the internal diameter of second opening 7982 is ID, and it meets following condition: 0.1≦OD/
ID≦10.The minimum thickness of the thing end 796 is OT and the minimum thickness as end 798 is IT, and it meets following
Condition:0.1≦OT/IT≦10.
Fig. 8 A, 8B, 8C are refer to, optical imaging system may include an image sensing module (not illustrating), described image sense
Survey the photosensory assembly that module includes a substrate and is arranged on the substrate;Optical imaging system may include a mirror in addition
Piece positioning component 894, in hollow and first lens any lens into the 6th lens can be housed, and make each described
Mirror is arranged on optical axis, and the lens orientation component includes a thing end 896 and a picture end 898, the thing end 896
It is close to thing side and described close to image side and with one second opening 8982 with one first opening 8962, the picture end 898
The outer wall of mirror positioning component 894 includes three sections 899, and there is a shaping to fill mouth trace 8992 respectively in each section 899.Institute
The internal diameter for stating the first opening 8962 is OD, and the internal diameter of second opening 8982 is ID, and it meets following condition: 0.1≦OD/
ID≦10.The minimum thickness of the thing end 896 is OT and the minimum thickness as end 898 is IT, and it meets following
Condition:0.1≦OT/IT≦10.
The term of the related lens parameter of the utility model embodiment arranges as follows, the ginseng as subsequent descriptions in detail with its code name
Examine:
With length or highly relevant lens parameter
The maximum image height of optical imaging system is represented with HOI;The height of optical imaging system is represented with HOS;Optics
The first lens thing side to the distance between the 6th lens image side surface of imaging system is represented with InTL;The fixation of optical imaging system
Diaphragm (aperture) to the distance between imaging surface is represented with InS;Distance between the first lens and the second lens of optical imaging system
Represented (illustration) with IN12;First lens of optical imaging system are represented (illustration) in the thickness on optical axis with TP1.
The lens parameter relevant with material
The abbe number of first lens of optical imaging system is represented (illustration) with NA1;The refractive index of first lens is with Nd1
Represent (illustration).
The lens parameter relevant with visual angle
Visual angle is represented with AF;The half at visual angle is represented with HAF;Chief ray angle is represented with MRA.
The lens parameter relevant with going out entrance pupil
The entrance pupil diameter of optical imaging system is represented with HEP;The maximum effective radius of any surface of single lens
Refer to system maximum visual angle incident light by the light at entrance pupil most edge in the lens surface plotted point (Effective
Half Diameter;EHD), the vertical height between the plotted point and optical axis.Such as first the maximum of lens thing side have
Effect radius represents that the maximum effective radius of the first lens image side surface is represented with EHD12 with EHD11.Second lens thing side is most
Big effective radius represents that the maximum effective radius of the second lens image side surface is represented with EHD22 with EHD21.In optical imaging system
The maximum effective radius representation of any surface of remaining lens is by that analogy.
The parameter relevant with lens face shape deflection arc length and surface profile
The contour curve length of the maximum effective radius of any surface of single lens, refer to surface and the institute of the lens
The intersection point of optical axis for belonging to optical imaging system be starting point, from the starting point along the surface profile of the lens up to its most
Untill the terminal of big effective radius, the curve arc long of foregoing point-to-point transmission is the contour curve length of maximum effective radius, and with ARS
Represent.Such as first the contour curve length of maximum effective radius of lens thing side represented with ARS11, the first lens image side surface
The contour curve length of maximum effective radius represented with ARS12.The profile of the maximum effective radius of second lens thing side is bent
Line length represents that the contour curve length of the maximum effective radius of the second lens image side surface is represented with ARS22 with ARS21.Optics
The contour curve length representation of the maximum effective radius of any surface of remaining lens is by that analogy in imaging system.
The contour curve length of 1/2 entrance pupil diameter (HEP) of any surface of single lens, refers to the lens
Surface and the intersection point of the optical axis of affiliated optical imaging system are starting point, from the starting point along the surface profile of the lens
Untill on the surface apart from the coordinate points of the vertical height of the entrance pupil diameter of optical axis 1/2, the curve of foregoing point-to-point transmission
Arc length is the contour curve length of 1/2 entrance pupil diameter (HEP), and is represented with ARE.Such as first lens thing side 1/2
The contour curve length of entrance pupil diameter (HEP) represents with ARE11,1/2 entrance pupil diameter of the first lens image side surface
(HEP) contour curve length is represented with ARE12.The profile of 1/2 entrance pupil diameter (HEP) of second lens thing side is bent
Line length represents that the contour curve length of 1/2 entrance pupil diameter (HEP) of the second lens image side surface is with ARE22 with ARE21
Represent.The contour curve length of 1/2 entrance pupil diameter (HEP) of any surface of remaining lens represents in optical imaging system
Mode is by that analogy.
The parameter relevant with lens face shape deflection depth
6th lens thing side in the intersection point on optical axis untill the terminal of the maximum effective radius of the 6th lens thing side,
Foregoing point-to-point transmission level is represented (maximum effective radius depth) in the distance of optical axis with InRS61;6th lens image side surface is in optical axis
On intersection point untill the terminal of the maximum effective radius of the 6th lens image side surface, foregoing point-to-point transmission level in optical axis distance with
InRS62 represents (maximum effective radius depth).Depth (the depression of the maximum effective radius of other lenses thing side or image side surface
Amount) representation is according to foregoing.
The parameter relevant with lens face type
Critical point C refers on certain lenses surface, and in addition to the intersection point with optical axis, one is tangent with the perpendicular section of optical axis
Point.Hold, such as the vertical range of the critical point C51 of the 5th lens thing side and optical axis is HVT51 (illustration), the 5th lens
The critical point C52 of image side surface and the vertical range of optical axis are HVT52 (illustration), the critical point C61 and light of the 6th lens thing side
The vertical range of axle is HVT61 (illustration), and the critical point C62 of the 6th lens image side surface and the vertical range of optical axis are HVT62 (examples
Show).Critical point on the thing side of other lenses or image side surface and its with the representation of the vertical range of optical axis according to foregoing.
The point of inflexion on 6th lens thing side closest to optical axis is IF611, described sinkage SGI611 (illustration),
SGI611 namely the 6th lens thing sides are in the intersection point on optical axis between the point of inflexion of the 6th nearest optical axis in lens thing side
The horizontal displacement distance parallel with optical axis, point described in IF611 and the vertical range between optical axis are HIF611 (illustration).6th is saturating
The point of inflexion on mirror image side closest to optical axis is IF621, described sinkage SGI621 (illustration), SGI611 namely
Six lens image side surfaces are in the intersection point on optical axis to water parallel with optical axis between the point of inflexion of the 6th nearest optical axis of lens image side surface
Flat shift length, point described in IF621 and the vertical range between optical axis are HIF621 (illustration).
On 6th lens thing side second close to the point of inflexion of optical axis be IF612, described sinkage SGI612 (example
Show), SGI612 namely the 6th lens thing sides are in the intersection point on optical axis to the 6th lens thing side second close to the anti-of optical axis
Song horizontal displacement distance parallel with optical axis between putting, point and the vertical range between optical axis are HIF612 (illustration) described in IF612.
On 6th lens image side surface second close to the point of inflexion of optical axis be IF622, described sinkage SGI622 (illustration), SGI622
Namely the 6th lens image side surface in the intersection point on optical axis to the 6th lens image side surface second close between the point of inflexion of optical axis with
The parallel horizontal displacement distance of optical axis, point described in IF622 and the vertical range between optical axis are HIF622 (illustration).
On 6th lens thing side the 3rd close to the point of inflexion of optical axis be IF613, described sinkage SGI613 (example
Show), SGI613 namely the 6th lens thing sides are in the intersection point on optical axis to the 6th lens thing side the 3rd close to the anti-of optical axis
Song horizontal displacement distance parallel with optical axis between putting, point and the vertical range between optical axis are HIF613 (illustration) described in IF613.
On 6th lens image side surface the 3rd close to the point of inflexion of optical axis be IF623, described sinkage SGI623 (illustration), SGI623
Namely the 6th lens image side surface in the intersection point on optical axis to the 6th lens image side surface the 3rd close between the point of inflexion of optical axis with
The parallel horizontal displacement distance of optical axis, point described in IF623 and the vertical range between optical axis are HIF623 (illustration).
On 6th lens thing side the 4th close to the point of inflexion of optical axis be IF614, described sinkage SGI614 (example
Show), SGI614 namely the 6th lens thing sides are in the intersection point on optical axis to the 6th lens thing side the 4th close to the anti-of optical axis
Song horizontal displacement distance parallel with optical axis between putting, point and the vertical range between optical axis are HIF614 (illustration) described in IF614.
On 6th lens image side surface the 4th close to the point of inflexion of optical axis be IF624, described sinkage SGI624 (illustration), SGI624
Namely the 6th lens image side surface in the intersection point on optical axis to the 6th lens image side surface the 4th close between the point of inflexion of optical axis with
The parallel horizontal displacement distance of optical axis, point described in IF624 and the vertical range between optical axis are HIF624 (illustration).
The point of inflexion on other lenses thing side or image side surface and its expression with the vertical range of optical axis or its sinkage
Mode is according to foregoing.
The parameter relevant with aberration
The optical distortion (Optical Distortion) of optical imaging system is represented with ODT;Its TV distortion (TV
Distortion) represented with TDT, and can further limit what description aberration between 50% to 100% visual field is imaged was offset
Degree;Spherical aberration offset amount is represented with DFS;Comet aberration offset is represented with DFC.
Aperture blade lateral aberration represents with STA (STOP Transverse Aberration), evaluation particular optical into
As the performance of system, fan using meridian plane light fan (tangential fan) or sagittal surface light and calculated on (sagittal fan)
The light lateral aberration of any visual field, most long operation wavelength (such as wavelength is 650 nm) and most casual labourer are particularly calculated respectively
Make wavelength (such as wavelength is 470nm) and be used as the standard of excellent performance by the lateral aberration size of aperture blade.Foregoing meridian
The coordinate direction of face light fan, can further discriminate between into positive (glazed thread) and negative sense (lower light).Most long operation wavelength passes through light
The lateral aberration at edge is enclosed, it is defined as the imaging that most long operation wavelength is incident on specific visual field on imaging surface by aperture blade
Position and reference wavelength chief ray (such as wavelength is 555nm) are on imaging surface between the image space two positions of the visual field
Range difference, by the lateral aberration of aperture blade, it is defined as most short operation wavelength and entered by aperture blade most short operation wavelength
Penetrate the image space of specific visual field and the image space two of reference wavelength chief ray visual field on imaging surface on imaging surface
Range difference between position, the performance of evaluation particular optical imaging system is excellent, is led to using most short and most long operation wavelength
Cross aperture blade and be incident on the lateral aberration of 0.7 visual field on imaging surface (i.e. 0.7 image height HOI) and be respectively less than 100 microns (μm)
As check system, or even further can be incident on most short and most long operation wavelength by aperture blade 0.7 on imaging surface
The lateral aberration of visual field is respectively less than 80 microns (μm) and is used as check system.
Optical imaging system in there is a maximum image height HOI perpendicular to optical axis on imaging surface, optical imaging system
The most long operation wavelength of visible ray of positive meridian plane light fan by the entrance pupil edge and is incident on the imaging surface
Lateral aberration at 0.7HOI represents with PLTA, the most short operation wavelength of visible ray of the positive meridian plane light fan of optical imaging system
Represented by the entrance pupil edge and the lateral aberration that is incident on the imaging surface at 0.7HOI with PSTA, optics into
As system negative sense meridian plane light fan the most long operation wavelength of visible ray by the entrance pupil edge and be incident on it is described into
Lateral aberration in image planes at 0.7HOI represents with NLTA, the visible ray most casual labourer of the negative sense meridian plane light fan of optical imaging system
Make wavelength to represent with NSTA by the entrance pupil edge and the lateral aberration that is incident on the imaging surface at 0.7HOI, light
Learn imaging system sagittal surface light fan the most long operation wavelength of visible ray by the entrance pupil edge and be incident on it is described into
Lateral aberration in image planes at 0.7HOI represents with SLTA, the most short operating wave of visible ray of the sagittal surface light fan of optical imaging system
The long lateral aberration for passing through the entrance pupil edge and being incident on the imaging surface at 0.7HOI is represented with SSTA.
The utility model provides a kind of optical imaging system, and the thing side of its 6th lens or image side surface are provided with contrary flexure
Point, the angle that each visual field is incident in the 6th lens can be effectively adjusted, and be corrected for optical distortion and TV distortion.In addition,
The surface of 6th lens can possess more preferably optical path adjusting ability, to lift image quality.
A kind of optical imaging system is provided according to the utility model, the first lens, second are included by thing side to image side successively
Lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens, lens positioning component and imaging surface, the first lens to
Six lens all have refracting power.The lens positioning component is in hollow and can house first lens into the 6th lens
Any lens, and said lens is arranged on optical axis, the lens positioning component includes a thing end and one as end, institute
Thing end is stated close to thing side and with one first opening, described to be open as end close to image side and with one second, the lens
The outer wall of positioning component includes at least two sections, and there is at least one shaping to fill mouth trace respectively in each section, and described the
One lens at least one piece of lens into the 6th lens have positive refracting power, and the focal length of the optical imaging system is f, described
The entrance pupil diameter of optical imaging system is HEP, and the half of the maximum visual angle of the optical imaging system is HAF, with
First lens any surface of any lens and intersection point of optical axis into the 6th lens are starting point, along the surface
Profile untill the coordinate points on the surface at the vertical height of the entrance pupil diameter of optical axis 1/2, foregoing 2 points
Between contour curve length be ARE, it meets following condition:1≦f/HEP≦10;0deg<HAF≤150deg and 0.9≤2
(ARE/HEP)≦2.0。
Preferably, the outer wall of the lens positioning component includes at least three sections, and each section has respectively
At least one shaping fills mouth trace.
Preferably, the internal diameter of first opening is OD, and the internal diameter of second opening is ID, and it meets following condition:
0.1≦OD/ID≦10。
Preferably, the minimum thickness of the thing end is OT and the minimum thickness as end is IT, under it meets
Row condition:0.1≦OT/IT≦10.
Preferably, TV distortion of optical imaging system when imaging is TDT, the optical imaging system in it is described into
There is an image height HOI, the most long work of the positive meridian plane light fan of the optical imaging system perpendicular to optical axis in image planes
Wavelength represented by entrance pupil edge and the lateral aberration that is incident on the imaging surface at 0.7HOI with PLTA, the optics
The most short operation wavelength of the positive meridian plane light fan of imaging system by entrance pupil edge and is incident on the imaging surface
Lateral aberration at 0.7HOI represents that the most long operation wavelength of the negative sense meridian plane light fan of the optical imaging system is led to PSTA
The lateral aberration crossed entrance pupil edge and be incident on the imaging surface at 0.7HOI represents with NLTA, the optical imagery system
The most short operation wavelength of the negative sense meridian plane light fan of system by entrance pupil edge and is incident on the imaging surface at 0.7HOI
Lateral aberration represent that the most long operation wavelength of the sagittal surface light of optical imaging system fan passes through entrance pupil side with NSTA
The edge and lateral aberration being incident on the imaging surface at 0.7HOI is represented with SLTA, the sagittal surface light of the optical imaging system
The most short operation wavelength of fan by entrance pupil edge and is incident on the lateral aberration on the imaging surface at 0.7HOI with SSTA
Represent, it meets following condition:PLTA≤100 micron;PSTA≤100 micron;NLTA≤100 micron;NSTA≤100 micron;
SLTA≤100 micron;SSTA≤100 micron;And | TDT |<100%.
Preferably, the imaging surface is a plane or a curved surface.
Preferably, using the thing side of the 6th lens in the intersection point on optical axis as starting point, along the profile on the surface
Untill the coordinate points on the surface at the vertical height of the entrance pupil diameter of optical axis 1/2, the wheel of foregoing point-to-point transmission
Wide length of curve is ARE61, using the image side surface of the 6th lens in the intersection point on optical axis as starting point, along the wheel on the surface
Exterior feature untill the coordinate points on the surface at the vertical height of the entrance pupil diameter of optical axis 1/2, foregoing point-to-point transmission
Contour curve length is ARE62, and the 6th lens are TP6 in the thickness on optical axis, and it meets following condition:0.05≦
ARE61/TP6≦25;And 0.05≤ARE62/TP6≤25.
Preferably, using the thing side of the 5th lens in the intersection point on optical axis as starting point, along the profile on the surface
Untill the coordinate points on the surface at the vertical height of the entrance pupil diameter of optical axis 1/2, the wheel of foregoing point-to-point transmission
Wide length of curve is ARE51, using the image side surface of the 5th lens in the intersection point on optical axis as starting point, along the wheel on the surface
Exterior feature untill the coordinate points on the surface at the vertical height of the entrance pupil diameter of optical axis 1/2, foregoing point-to-point transmission
Contour curve length is ARE52, and the 5th lens are TP5 in the thickness on optical axis, and it meets following condition:0.05≦
ARE51/TP5≦25;And 0.05≤ARE52/TP5≤25.
Preferably, in addition to an aperture, and the aperture to the imaging surface in having a distance InS, institute on optical axis
The first lens thing side is stated to the imaging surface in having a distance HOS on optical axis, it meets following equation:0.2≦InS/HOS
≦1.1。
A kind of optical imaging system is separately provided according to the utility model, includes the first lens, the successively by thing side to image side
Two lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens, lens positioning component and imaging surface, the first lens are extremely
6th lens all have refracting power.The lens positioning component is in hollow and can house first lens to the 6th lens
In any lens, and said lens is arranged on optical axis, the lens positioning component includes a thing end and one as end,
The thing end is close to thing side and described close to image side and with one second opening with one first opening, the picture end
The outer wall of mirror positioning component includes at least two sections, and there is at least one shaping to fill mouth trace respectively in each section, wherein
It is six pieces that the optical imaging system, which has the lens of refracting power, and first lens are into the 6th lens at least one piece
An at least surface for lens has an at least point of inflexion, and the focal length of the optical imaging system is f, the optical imaging system
Entrance pupil diameter is HEP, and the half of the maximum visual angle of the optical imaging system is HAF, with first lens extremely
Any surface of any lens and the intersection point of optical axis are starting point in 6th lens, along the profile on the surface until described
Untill coordinate points on surface at the vertical height of the entrance pupil diameter of optical axis 1/2, the contour curve length of foregoing point-to-point transmission
Spend for ARE, it meets following condition: 1≦f/HEP≦10;0deg<HAF≤150deg and 0.9≤2 (ARE/HEP)≤
2.0。
Preferably, the outer wall of the lens positioning component includes at least three sections, and each section has respectively
At least one shaping fills mouth trace.
Preferably, the internal diameter of first opening is OD, and the internal diameter of second opening is ID, and it meets following condition:
0.1≦OD/ID≦10。
Preferably, the minimum thickness of the thing end is OT and the minimum thickness as end is IT, under it meets
Row condition:0.1≦OT/IT≦10.
Preferably, the maximum effective radius of first lens any surface of any lens into the 6th lens with
EHD represents that any surface of any lens and the intersection point of optical axis is starting points into the 6th lens using first lens, edge
The profile for the surface is terminal at the maximum effective radius on the surface, and the contour curve length of foregoing point-to-point transmission is
ARS, it meets following equation:0.9≦ARS/EHD≦2.0.
Preferably, the optical imaging system perpendicular to optical axis on the imaging surface in having an image height HOI, institute
The most long operation wavelength of the positive meridian plane light fan of optical imaging system is stated by entrance pupil edge and is incident on the imaging
Lateral aberration on face at 0.7HOI represents with PLTA, the most short operating wave of the positive meridian plane light fan of the optical imaging system
Grow the lateral aberration for passing through entrance pupil edge and being incident on the imaging surface at 0.7HOI to represent with PSTA, the optics
The most long operation wavelength of the negative sense meridian plane light fan of imaging system by entrance pupil edge and is incident on the imaging surface
Lateral aberration at 0.7HOI represents with NLTA, the most short operation wavelength of the negative sense meridian plane light fan of the optical imaging system
Represented by entrance pupil edge and the lateral aberration that is incident on the imaging surface at 0.7HOI with NSTA, the optical imagery
The most long operation wavelength of the sagittal surface light fan of system by entrance pupil edge and is incident on the imaging surface at 0.7HOI
Lateral aberration represents that the most short operation wavelength of the sagittal surface light fan of the optical imaging system passes through entrance pupil edge with SLTA
And the lateral aberration being incident on the imaging surface at 0.7HOI is represented with SSTA, it meets following condition:PLTA≤50 are micro-
Rice;PSTA≤50 micron;NLTA≤50 micron;NSTA≤50 micron;SLTA≤50 micron;And SSTA≤50 micron.
Preferably, it is IN12 in the distance on optical axis between first lens and second lens, and meets following
Formula:0<IN12/f≦60.
Preferably, it is IN56 in the distance on optical axis between the 5th lens and the 6th lens, the described 5th is saturating
Mirror and the 6th lens are respectively TP5 and TP6 in the thickness on optical axis, and it meets following condition: 0.1≦(TP6+IN56)/
TP5≦50。
Preferably, it is IN12 in the distance on optical axis between first lens and second lens, described first is saturating
Mirror and the second lens are respectively TP1 and TP2 in the thickness on optical axis, and it meets following condition: 0.1≦(TP1+IN12)/
TP2≦50。
Preferably, first lens, second lens, the 3rd lens, the 4th lens, the described 5th saturating
At least one piece of lens are that light of the wavelength less than 500nm filters out component in mirror and the 6th lens.
A kind of optical imaging system is provided again according to the utility model, includes the first lens, the successively by thing side to image side
Two lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens, lens positioning component and imaging surface, the first lens are extremely
6th lens all have refracting power.The lens positioning component is in hollow and can house first lens to the 6th lens
In any lens, and said lens is arranged on optical axis, the lens positioning component includes a thing end and one as end,
The thing end is close to thing side and described close to image side and with one second opening with one first opening, the picture end
The outer wall of mirror positioning component includes at least three sections, and there is at least one shaping to fill mouth trace respectively in each section, described
It is six pieces that optical imaging system, which has the lens of refracting power, and first lens at least two pieces of lens into the 6th lens
An at least surface there is an at least point of inflexion respectively, the focal length of the optical imaging system is f, the optical imaging system
Entrance pupil diameter is HEP, and the half of the maximum visual angle of the optical imaging system is HAF, with first lens extremely
Any surface of any lens and the intersection point of optical axis are starting point in 6th lens, along the profile on the surface until described
Untill coordinate points on surface at the vertical height of the entrance pupil diameter of optical axis 1/2, the contour curve length of foregoing point-to-point transmission
Spend for ARE, it meets following condition: 1≦f/HEP≦3;0deg<HAF≤150deg and 0.9≤2 (ARE/HEP)≤2.0.
Preferably, the internal diameter of first opening is OD, and the internal diameter of second opening is ID, and it meets following condition:
0.1≦OD/ID≦10。
Preferably, the minimum thickness of the thing end is OT and the minimum thickness as end is IT, under it meets
Row condition:1≦OT/IT≦10.
Preferably, using the thing side of the 6th lens in the intersection point on optical axis as starting point, along the profile on the surface
Untill the coordinate points on the surface at the vertical height of the entrance pupil diameter of optical axis 1/2, the wheel of foregoing point-to-point transmission
Wide length of curve is ARE61, using the image side surface of the 6th lens in the intersection point on optical axis as starting point, along the wheel on the surface
Exterior feature untill the coordinate points on the surface at the vertical height of the entrance pupil diameter of optical axis 1/2, foregoing point-to-point transmission
Contour curve length is ARE62, and the 6th lens are TP6 in the thickness on optical axis, and it meets following condition:0.05≦
ARE61/TP6≦25;And 0.05≤ARE62/TP6≤25.
Preferably, using the thing side of the 5th lens in the intersection point on optical axis as starting point, along the profile on the surface
Untill the coordinate points on the surface at the vertical height of the entrance pupil diameter of optical axis 1/2, the wheel of foregoing point-to-point transmission
Wide length of curve is ARE51, using the image side surface of the 5th lens in the intersection point on optical axis as starting point, along the wheel on the surface
Exterior feature untill the coordinate points on the surface at the vertical height of the entrance pupil diameter of optical axis 1/2, foregoing point-to-point transmission
Contour curve length is ARE52, and the 5th lens are TP5 in the thickness on optical axis, and it meets following condition:0.05≦
ARE51/TP5≦25;And 0.05≤ARE52/TP5≤25.
Preferably, the optical imaging system also includes an aperture, an imaging sensor and a drive module, the figure
As sensor is arranged at the imaging surface, and the aperture to the imaging surface in having a distance InS on optical axis, described the
To the imaging surface in having a distance HOS on optical axis, the drive module is coupled with each lens for one lens thing side
And each lens is produced displacement, it meets following equation: 0.2≦InS/HOS≦1.1.
Correct on surface described in contour curve effect length of any surface of single lens in the range of maximum effective radius
The ability of optical path difference between aberration and each field rays, the more long capability improving for then correcting aberration of contour curve length, but together
When can also increase manufacture on degree of difficulty, it is therefore necessary to control any surface of single lens in maximum effective radius scope
Interior contour curve length, particularly control contour curve length (ARS) in the range of the maximum effective radius on the surface with
Proportionate relationship (ARS/TP) of the lens between the thickness (TP) on optical axis belonging to the surface.Such as the first lens thing side
The contour curve length of the maximum effective radius in face represents that the first lens are TP1 in the thickness on optical axis, between the two with ARS11
Ratio be ARS11/TP1, the contour curve length of the maximum effective radius of the first lens image side surface is represented with ARS12, its with
Ratio between TP1 is ARS12/TP1.The contour curve length of the maximum effective radius of second lens thing side represents with ARS21,
Second lens are TP2 in the thickness on optical axis, and ratio between the two is ARS21/TP2, and the maximum of the second lens image side surface is effectively
The contour curve length of radius represents that its ratio between TP2 is ARS22/TP2 with ARS22.Remaining in optical imaging system is saturating
The contour curve length of the maximum effective radius of any surface of mirror is with the lens belonging to the surface in the thickness on optical axis
The proportionate relationship spent between (TP), its representation is by that analogy.
Contour curve length of any surface of single lens in 1/2 entrance pupil diameter (HEP) altitude range is special
Influence the ability of the optical path difference between the amendment aberration of each light visual field shared region and each field rays on the surface, profile
The more long capability improving for then correcting aberration of length of curve, but can also increase the degree of difficulty on manufacturing simultaneously, it is therefore necessary to
Contour curve length of any surface of single lens in 1/2 entrance pupil diameter (HEP) altitude range is controlled, particularly
Control belonging to contour curve length (ARE) and the surface in 1/2 entrance pupil diameter (HEP) altitude range on the surface
Proportionate relationship (ARE/TP) of the lens between the thickness (TP) on optical axis.Such as first lens thing side it is 1/2 incident
The contour curve length of pupil diameter (HEP) height represents that the first lens are TP1 in the thickness on optical axis, between the two with ARE11
Ratio be ARE11/TP1, the contour curve length of 1/2 entrance pupil diameter (HEP) height of the first lens image side surface with
ARE12 represents that its ratio between TP1 is ARE12/TP1.1/2 entrance pupil diameter (HEP) height of second lens thing side
Contour curve length represent that the second lens are TP2 in the thickness on optical axis with ARE21, ratio between the two is ARE21/
TP2, the contour curve length of 1/2 entrance pupil diameter (HEP) height of the second lens image side surface represents with ARE22, its with
Ratio between TP2 is ARE22/TP2.1/2 entrance pupil diameter (HEP) of any surface of remaining lens in optical imaging system
Proportionate relationship of the lens between the thickness (TP) on optical axis belonging to the contour curve length of height and the surface, its table
Show mode by that analogy.
When | f1 |>| f6 | when, the system total height (HOS of optical imaging system;Height of Optic System) can
Shortened with appropriate to reach the purpose of miniaturization.
As | f2 |+| f3 |+| f4 |+| f5 | and | f1 |+| f6 | when meeting above-mentioned condition, by the second lens to the 5th saturating
At least one piece of lens have weak positive refracting power or weak negative refracting power in mirror.Alleged weak refracting power, refer to Jiao of certain lenses
Away from absolute value be more than 10.When the lens of the utility model second, into the 5th lens, at least one piece of lens has weak positive flexion
Power, it can effectively share the positive refracting power of the first lens and avoid unnecessary aberration from occurring too early, if the second lens on the contrary are extremely
At least one piece of lens has weak negative refracting power in 5th lens, then can finely tune the aberration of correction system.
In addition, the 6th lens can have negative refracting power, its image side surface can be concave surface.Thereby, be advantageous to shorten its back focal length
To maintain miniaturization.In addition, an at least surface for the 6th lens there can be an at least point of inflexion, off-axis visual field can be effectively suppressed
The incident angle of light, further can modified off-axis visual field aberration.
Brief description of the drawings
The above-mentioned and other feature of the utility model will describe in detail by referring to accompanying drawing.
Figure 1A shows the schematic diagram of the optical imaging system of the utility model first embodiment;
Figure 1B sequentially show from left to right the spherical aberration of the optical imaging system of the utility model first embodiment, astigmatism with
And the curve map of optical distortion;
Fig. 1 C show the meridian plane light fan of the optical imaging system of the utility model first embodiment optical imaging system
And sagittal surface light fan, the lateral aberration of most long operation wavelength and most short operation wavelength by aperture blade at 0.7 visual field
Figure;
Fig. 2A shows the schematic diagram of the optical imaging system of the utility model second embodiment;
Fig. 2 B sequentially show from left to right the spherical aberration of the optical imaging system of the utility model second embodiment, astigmatism with
And the curve map of optical distortion;
Fig. 2 C show the meridian plane light fan and sagittal surface light fan of the utility model second embodiment optical imaging system,
The lateral aberration diagram of most long operation wavelength and most short operation wavelength by aperture blade at 0.7 visual field;
Fig. 3 A show the schematic diagram of the optical imaging system of the utility model 3rd embodiment;
Fig. 3 B sequentially show from left to right the spherical aberration of the optical imaging system of the utility model 3rd embodiment, astigmatism with
And the curve map of optical distortion;
Fig. 3 C show the meridian plane light fan and sagittal surface light fan of the utility model 3rd embodiment optical imaging system,
The lateral aberration diagram of most long operation wavelength and most short operation wavelength by aperture blade at 0.7 visual field;
Fig. 4 A show the schematic diagram of the optical imaging system of the utility model fourth embodiment;
Fig. 4 B sequentially show from left to right the spherical aberration of the optical imaging system of the utility model fourth embodiment, astigmatism with
And the curve map of optical distortion;
Fig. 4 C show the meridian plane light fan and sagittal surface light fan of the utility model fourth embodiment optical imaging system,
The lateral aberration diagram of most long operation wavelength and most short operation wavelength by aperture blade at 0.7 visual field;
Fig. 5 A show the schematic diagram of the optical imaging system of the embodiment of the utility model the 5th;
Fig. 5 B sequentially show from left to right the spherical aberration of the optical imaging system of the embodiment of the utility model the 5th, astigmatism with
And the curve map of optical distortion;
Fig. 5 C show the meridian plane light fan and sagittal surface light fan of the embodiment optical imaging system of the utility model the 5th,
The lateral aberration diagram of most long operation wavelength and most short operation wavelength by aperture blade at 0.7 visual field;
Fig. 6 A show the schematic diagram of the optical imaging system of the utility model sixth embodiment;
Fig. 6 B sequentially show from left to right the spherical aberration of the optical imaging system of the utility model sixth embodiment, astigmatism with
And the curve map of optical distortion;
Fig. 6 C show the meridian plane light fan and sagittal surface light fan of the utility model sixth embodiment optical imaging system,
The lateral aberration diagram of most long operation wavelength and most short operation wavelength by aperture blade at 0.7 visual field.
Fig. 7 A show the three-dimensional side view of the lens positioning component of the utility model first embodiment;
Fig. 7 B show the top view of the lens positioning component of the utility model first embodiment, and overlook direction is from as end
Second opening towards thing end first opening, the outer wall of the lens positioning component has two sections, each to cut flat with
There is a shaping to fill mouth trace respectively in face;
Fig. 7 C show the profile of the lens positioning component of the utility model first embodiment;
Fig. 8 A show the utility model second embodiment to the three-dimensional side view of the lens positioning component of sixth embodiment;
Fig. 8 B show that the utility model second embodiment to the top view of the lens positioning component of sixth embodiment, is overlooked
First opening of the direction from the second opening as end towards thing end, the outer wall of the lens positioning component have three and cut flat with
There is a shaping to fill mouth trace respectively for face, each section;
Fig. 8 C show the utility model second embodiment to the profile of the lens positioning component of sixth embodiment.
Description of reference numerals
Optical imaging system:10、20、30、40、50、60
Aperture:100、200、300、400、500、600
First lens:110、210、310、410、510、610、710、810
Thing side:112、212、312、412、512、612
Image side surface:114、214、314、414、514、614
Second lens:120、220、320、420、520、620、720、820
Thing side:122、222、322、422、522、622
Image side surface:124、224、324、424、524、624
3rd lens:130、230、330、430、530、630、730、830
Thing side:132、232、332、432、532、632
Image side surface:134、234、334、434、534、634
4th lens:140、240、340、440、540、640、740、840
Thing side:142、242、342、442、542、642
Image side surface:144、244、344、444、544、644
5th lens:150、250、350、450、550、650、750、850
Thing side:152、252、352、452、552、652
Image side surface:154、254、354、454、554、654
6th lens:160、260、360、460、560、660、760、860
Thing side:162、262、362、462、562、662
Image side surface:164、264、364、464、564、664
Infrared filter:180、280、380、480、580、680
Imaging surface:190、290、390、490、590、690、790、890
Imaging sensor:192、292、392、492、592、692
Lens orientation component:794、894
Thing end:796、896
As end:798、898
First opening:7962、8962
Second opening:7982、8982
Section:799、899
Shaping fills mouth trace:7992、8992
The focal length of optical imaging system:f
The focal length of first lens:f1;The focal length of second lens:f2;The focal length of 3rd lens:f3;
The focal length of 4th lens:f4;The focal length of 5th lens:f5;The focal length of 6th lens:f6;
The f-number of optical imaging system:f/HEP;Fno;F#
The half at the maximum visual angle of optical imaging system:HAF
The abbe number of first lens:NA1
The abbe number of second lens to the 6th lens:NA2、NA3、NA4、NA5、NA6
First lens thing side and the radius of curvature of image side surface:R1、R2
Second lens thing side and the radius of curvature of image side surface:R3、R4
3rd lens thing side and the radius of curvature of image side surface:R5、R6
4th lens thing side and the radius of curvature of image side surface:R7、R8
5th lens thing side and the radius of curvature of image side surface:R9、R10
6th lens thing side and the radius of curvature of image side surface:R11、R12
First lens are in the thickness on optical axis:TP1
Second to the 6th lens are in the thickness on optical axis:TP2、TP3、TP4、TP5、TP6
The thickness summation of the lens of all tool refracting powers:ΣTP
First lens and the second lens are in the spacing distance on optical axis:IN12
Second lens and the 3rd lens are in the spacing distance on optical axis:IN23
3rd lens and the 4th lens are in the spacing distance on optical axis:IN34
4th lens and the 5th lens are in the spacing distance on optical axis:IN45
5th lens and the 6th lens are in the spacing distance on optical axis:IN56
6th lens thing side is in the maximum effective radius position of the intersection point on optical axis to the 6th lens thing side in optical axis
Horizontal displacement distance:InRS61
Closest to the point of inflexion of optical axis on 6th lens thing side:IF611;Described sinkage:SGI611
Closest to the vertical range between the point of inflexion of optical axis and optical axis on 6th lens thing side:HIF611
Closest to the point of inflexion of optical axis on 6th lens image side surface:IF621;Described sinkage:SGI621
Closest to the vertical range between the point of inflexion of optical axis and optical axis on 6th lens image side surface:HIF621
On 6th lens thing side second close to optical axis the point of inflexion:IF612;Described sinkage:SGI612
6th lens thing side second is close to the vertical range between the point of inflexion of optical axis and optical axis:HIF612
On 6th lens image side surface second close to optical axis the point of inflexion:IF622;Described sinkage:SGI622
6th lens image side surface second is close to the vertical range between the point of inflexion of optical axis and optical axis:HIF622
The critical point of 6th lens thing side:C61
The critical point of 6th lens image side surface:C62
The critical point of 6th lens thing side and the horizontal displacement distance of optical axis:SGC61
The critical point of 6th lens image side surface and the horizontal displacement distance of optical axis:SGC62
The critical point of 6th lens thing side and the vertical range of optical axis:HVT61
The critical point of 6th lens image side surface and the vertical range of optical axis:HVT62
System total height (the first lens thing side to imaging surface is in the distance on optical axis):HOS
The catercorner length of imaging sensor:Dg
Aperture to imaging surface distance:InS
The distance of first lens thing side to the 6th lens image side surface:InTL
6th lens image side surface to imaging surface distance:InB
The half (maximum image height) of the effective sensing region diagonal line length of imaging sensor:HOI
TV of optical imaging system when imaging distorts (TV Distortion):TDT
Optical distortion (Optical Distortion) of optical imaging system when imaging:ODT
Embodiment
A kind of optical imaging system, by first lens of the thing side to image side successively including tool refracting power, the second lens, the 3rd
Lens, the 4th lens, the 5th lens, the 6th lens and an imaging surface.Optical imaging system may also include an imaging sensor,
It is arranged at imaging surface.
Three operation wavelengths can be used to be designed for optical imaging system, respectively 486.1nm, 587.5nm,
656.2nm, wherein 587.5nm be main reference wavelength and be main extractive technique feature reference wavelength.Optical imaging system
Five operation wavelengths can be used to be designed, respectively 470nm, 510nm, 555nm, 610nm, 650nm, based on wherein 555nm
Reference wavelength and the reference wavelength for main extractive technique feature.
The focal length f of optical imaging system and the focal length fp per a piece of lens with positive refracting power ratio are PPR, light
The ratio for learning the focal length f and the focal length fn per a piece of lens with negative refracting power of imaging system is NPR, all positive flexions of tool
The PPR summations of the lens of power are Σ PPR, and the NPR summations of the lens of all negative refracting powers of tool are Σ NPR, when meeting following condition
When contribute to control optical imaging system total refracting power and total length:0.5≤Σ PPR/ | Σ NPR |≤15, it is preferred that can
Meet following condition:1≦ΣPPR/|ΣNPR|≦3.0.
Optical imaging system can also include an imaging sensor, and it is arranged at imaging surface.The effective sensing area of imaging sensor
The half (being the image height of optical imaging system or maximum image height) of domain diagonal line length is HOI, the first lens thing side
In the distance on optical axis it is HOS to imaging surface, it meets following condition:HOS/HOI ≦10;And 0.5≤HOS/f≤10.Compared with
Goodly, following condition can be met:1≦HOS/HOI≦5;And 1≤HOS/f≤7.Thereby, the small of optical imaging system can be maintained
Type, to be equipped on frivolous portable electronic product.
In addition, in optical imaging system of the present utility model, an at least aperture can be set on demand, to reduce veiling glare,
Help to lift picture quality.
In optical imaging system of the present utility model, aperture configuration can be preposition aperture or in put aperture, wherein preposition light
Circle implies that aperture is arranged between object and the first lens, in put aperture and then represent that aperture is arranged at the first lens and imaging surface
Between.If aperture is preposition aperture, the emergent pupil of optical imaging system and imaging surface can be made to produce longer distance and house more light
Component is learned, and the efficiency that imaging sensor receives image can be increased;Aperture is put if in, then contributes to the visual field of expansion system
Angle, make optical imaging system that there is the advantage of wide-angle lens.Foregoing aperture to the distance between imaging surface is InS, and it meets following
Condition:0.2≦InS/HOS≦1.1.Thereby, the miniaturization for maintaining optical imaging system can be taken into account simultaneously and possesses wide-angle
Characteristic.
In optical imaging system of the present utility model, the first lens thing side to the distance between the 6th lens image side surface is
InTL, it is Σ TP in the thickness summation of the lens of all tool refracting powers on optical axis, it meets following condition: 0.1≦ΣTP/
InTL≦0.9.Thereby, the yield when contrast and the lens manufacture that can take into account system imaging simultaneously and the after Jiao of offer suitably
Away from accommodating other assemblies.
The radius of curvature of first lens thing side is R1, and the radius of curvature of the first lens image side surface is R2, and it meets following
Condition:0.001≦|R1/R2|≦20.Thereby, the first lens possesses appropriate positive flexion force intensity, avoids spherical aberration increase from overrunning.
It is preferred that following condition can be met:0.01≦|R1/R2|<10.
The radius of curvature of 6th lens thing side is R11, and the radius of curvature of the 6th lens image side surface is R12, under it meets
Row condition:-7<(R11-R12)/(R11+R12)<50.Thereby, be advantageous to correct astigmatism caused by optical imaging system.
First lens and the second lens are IN12 in the spacing distance on optical axis, and it meets following condition: 0<IN12/f≦
60.Thereby, the aberration for contributing to improve lens is to lift its performance.
5th lens and the 6th lens are IN56 in the spacing distance on optical axis, and it meets following condition:IN56/f ≦
0.8.Thereby, the aberration for contributing to improve lens is to lift its performance.
First lens and the second lens are respectively TP1 and TP2 in the thickness on optical axis, and it meets following condition:0.1≦
(TP1+IN12)/TP2≤50, preferably 0.1≤(TP1+IN12)/TP2≤10.Thereby, contribute to control optical imaging system
The susceptibility of manufacture simultaneously lifts its performance.
5th lens and the 6th lens are respectively TP5 and TP6 in the thickness on optical axis, and foregoing two lens are on optical axis
Spacing distance is IN56, and it meets following condition:0.1≤(TP6+IN56)/TP5≤50, preferably 0.1≤(TP6+IN56)/
TP5≦10.Thereby, contribute to control the susceptibility of optical imaging system manufacture and reduce system total height.
Second lens, the 3rd lens and the 4th lens are respectively TP2, TP3 and TP4 in the thickness on optical axis, and second is saturating
Mirror and the 3rd lens are IN23 in the spacing distance on optical axis, and the 3rd lens are in the spacing distance on optical axis with the 4th lens
IN34, the 4th lens and the 5th lens are IN45 in the spacing distance on optical axis, the first lens thing side to the 6th lens image side
Distance between face is InTL, and it meets following condition:0.1≦ TP4/(IN34+TP4+IN45)<1.Thereby, help layer by layer a little
Aberration caused by amendment incident light traveling process simultaneously reduces system total height.
In optical imaging system of the present utility model, the critical point C61 of the 6th lens thing side and the vertical range of optical axis
For HVT61, the critical point C62 of the 6th lens image side surface and the vertical range of optical axis are HVT62, and the 6th lens thing side is in optical axis
On intersection point to critical point C61 positions in optical axis horizontal displacement distance be SGC61, the 6th lens image side surface is on optical axis
Intersection point is SGC62 in the horizontal displacement distance of optical axis to critical point C62 positions, can meet following condition:0mm≦HVT61≦
3mm;0mm<HVT62≦6mm; 0≦HVT61/HVT62;0mm≦|SGC61|≦0.5mm;0mm<|SGC62|≦2mm;And 0
<|SGC62|/(|SGC62|+TP6)≦0.9.Thereby, can effective modified off-axis visual field aberration.
Optical imaging system of the present utility model its meet following condition:0.2≦HVT62/HOI≦0.9.It is preferred that can
Meet following condition:0.3≦HVT62/HOI≦0.8.Thereby, the lens error correction of the peripheral field of optical imaging system is contributed to.
Optical imaging system of the present utility model its meet following condition:0≦HVT62/HOS≦0.5.It is preferred that it can expire
Foot row condition:0.2≦HVT62/HOS≦0.45.Thereby, the lens error correction of the peripheral field of optical imaging system is contributed to.
In optical imaging system of the present utility model, the 6th lens thing side is in the intersection point on optical axis to the 6th lens thing side
The horizontal displacement distance parallel with optical axis represents that the 6th lens image side surface is in light with SGI611 between the point of inflexion of the nearest optical axis in face
Intersection point on axle to horizontal displacement distance parallel with optical axis between the point of inflexion of the 6th nearest optical axis of lens image side surface with
SGI621 represents that it meets following condition:0<SGI611/(SGI611+TP6) ≦0.9;0<SGI621/(SGI621+TP6)≦
0.9.It is preferred that following condition can be met:0.1≦ SGI611/(SGI611+TP6)≦0.6;0.1≦SGI621/(SGI621+
TP6)≦0.6。
6th lens thing side is in the intersection point on optical axis to the 6th lens thing side second close between the point of inflexion of optical axis
The horizontal displacement distance parallel with optical axis represents that the 6th lens image side surface is in the intersection point on optical axis to the 6th lens picture with SGI612
Side second represents that it meets following with SGI622 close to horizontal displacement distance parallel with optical axis between the point of inflexion of optical axis
Condition:0<SGI612/(SGI612+TP6)≦0.9; 0<SGI622/(SGI622+TP6)≦0.9.It is preferred that it can meet following
Condition:0.1≦ SGI612/(SGI612+TP6)≦0.6;0.1≦SGI622/(SGI622+TP6)≦0.6.
Vertical range between the point of inflexion and optical axis of the 6th nearest optical axis in lens thing side represents with HIF611, the 6th lens
Vertical range between the point of inflexion and optical axis of the nearest optical axis of image side surface represents that it meets following condition with HIF621:0.001mm≦
|HIF611|≦5mm;0.001mm≦|HIF621|≦5mm.It is preferred that following condition can be met:0.1mm≦|HIF611|≦
3.5mm;1.5mm≦|HIF621|≦3.5mm.
6th lens thing side second represents close to the vertical range between the point of inflexion of optical axis and optical axis with HIF612, the 6th
Lens image side surface second represents that it meets following condition close to the vertical range between the point of inflexion of optical axis and optical axis with HIF622:
0.001mm≦|HIF612|≦5mm;0.001mm≦|HIF622|≦5mm.It is preferred that following condition can be met:0.1mm≦|
HIF622|≦3.5mm;0.1mm≦|HIF612| ≦3.5mm.
6th lens thing side the 3rd represents close to the vertical range between the point of inflexion of optical axis and optical axis with HIF613, the 6th
Lens image side surface the 3rd represents that it meets following condition close to the vertical range between the point of inflexion of optical axis and optical axis with HIF623:
0.001mm≦|HIF613|≦5mm;0.001mm≦|HIF623|≦5mm.It is preferred that following condition can be met:0.1mm≦|
HIF623|≦3.5mm;0.1mm≦|HIF613| ≦3.5mm.
6th lens thing side the 4th represents close to the vertical range between the point of inflexion of optical axis and optical axis with HIF614, the 6th
Lens image side surface the 4th represents that it meets following condition close to the vertical range between the point of inflexion of optical axis and optical axis with HIF624:
0.001mm≦|HIF614|≦5mm;0.001mm≦|HIF624|≦5mm.It is preferred that following condition can be met:0.1mm≦|
HIF624|≦3.5mm;0.1mm≦|HIF614| ≦3.5mm.
A kind of embodiment of optical imaging system of the present utility model, can be by with high abbe number and low dispersion system
Several lens are staggered, and contribute to the amendment of optical imaging system aberration.
Above-mentioned aspherical equation is:
Z=ch2/[1+[1(k+1)c2h2]0.5]+A4h4+A6h6+A8h8+A10h10+A12h12+A14h14+A16h16+
A18h18+A20h20+…(1)
Wherein, it along optical axis direction is highly being that the positional value that refers to is made in h position with surface vertices that z, which is, and k is conical surface system
Number, c is the inverse of radius of curvature, and A4, A6, A8, A10, A12, A14, A16, A18 and A20 are order aspherical coefficients.
In optical imaging system provided by the utility model, the material of lens can be plastics or glass.When lens material is
Plastics, it can effectively reduce production cost and weight.The another material for working as lens is glass, then can control fuel factor and increase
The design space of optical imaging system refracting power configuration.In addition, the first lens are to the thing side of the 6th lens in optical imaging system
Face and image side surface can be aspherical, and it can obtain more control variable, saturating compared to traditional glass in addition to cut down aberration
The use of mirror even can reduce the number that lens use, therefore can effectively reduce total height of the utility model optical imaging system
Degree.
Furthermore in optical imaging system provided by the utility model, if lens surface is convex surface, lens measure is represented in principle
Face is convex surface at dipped beam axle;If lens surface is concave surface, represent that lens surface is concave surface at dipped beam axle in principle.
The also visual demand of optical imaging system of the present utility model is applied in the optical system of mobile focusing, and has concurrently excellent
Good lens error correction and the characteristic of good image quality, so as to expand application.
The also visual demand of optical imaging system of the present utility model includes a drive module, and the drive module can be with each institute
Lens are stated to be coupled and each lens is produced displacement.Foregoing drive module can be that voice coil motor (VCM) is used for band index glass
Head is focused, or is optical anti-vibration element (OIS) generation out of focus caused by camera lens vibrates for reducing shooting process
Frequency.
The also visual demand of optical imaging system of the present utility model makes the first lens, the second lens, the 3rd lens, the 4th saturating
At least one piece of lens are that light of the wavelength less than 500nm filters out component in mirror, the 5th lens and the 6th lens, and it can be by described
The plated film at least on a surface or the lens of the lens of specific tool filtering function can be filtered out the material of short wavelength by tool in itself
It is made and reach.
The also visual demand selection of the imaging surface of optical imaging system of the present utility model is a plane or a curved surface.Work as imaging
Face is a curved surface (such as sphere with a radius of curvature), helps to reduce focusing on light in the incidence angle needed for imaging surface,
It is simultaneously helpful for lifting relative illumination in addition to helping to reach the length (TTL) of micro optical imaging system.
An aspect of the present utility model is to provide a kind of plastic lens positioning component, and the plastic lens positioning component can
It is formed in one, in addition to the accommodating lens of the present utility model with positioning, the outer wall of plastic lens positioning component is also included extremely
Few two shapings fill mouth trace, and each shaping filling mouth trace can be surrounded on an axle center (such as optical axis) symmetric mode on demand and set
Put, more uniform thickness configuration, and lift structure intensity can be produced.If the outer wall of plastic lens positioning component has two shapings
Mouth trace is filled, then angle can be 180 degree between each shaping fills mouth trace.If the outer wall of plastic lens positioning component has three shapings
Mouth trace is filled, then angle can be 120 degree between each shaping fills mouth trace.Foregoing shaping, which fills mouth trace, can be arranged at the outer of thing end on demand
Wall or it is arranged at outer wall as end.
According to above-mentioned embodiment, specific embodiment set forth below simultaneously coordinates schema to be described in detail.
First embodiment
Figure 1A and Figure 1B is refer to, wherein Figure 1A shows a kind of optical imagery according to the utility model first embodiment
The schematic diagram of system, Figure 1B are followed successively by spherical aberration, astigmatism and the optical distortion of the optical imaging system of first embodiment from left to right
Curve map.Fig. 1 C are that the meridian plane light fan of the optical imaging system of first embodiment and sagittal surface light are fanned, most long operation wavelength
And lateral aberration diagram of the most short operation wavelength by aperture blade at 0.7 visual field.From Figure 1A, optical imaging system 10
By thing side to image side successively include the first lens 110, aperture 100, the second lens 120, the 3rd lens 130, the 4th lens 140,
5th lens 150, the 6th lens 160, infrared filter 180, imaging surface 190 and imaging sensor 192.
First lens 110 have negative refracting power, and are plastic material, and its thing side 112 is concave surface, and its image side surface 114 is
Concave surface, and be all aspherical, and its thing side 112 has two points of inflexion.The wheel of the maximum effective radius of first lens thing side
Wide length of curve represents that the contour curve length of the maximum effective radius of the first lens image side surface is represented with ARS12 with ARS11.
The contour curve length of 1/2 entrance pupil diameter (HEP) of first lens thing side represents with ARE11, the first lens image side surface
The contour curve length of 1/2 entrance pupil diameter (HEP) represented with ARE12.First lens are TP1 in the thickness on optical axis.
The maximum effective radius of the thing side 112 of first lens 110 is EHD11, and the maximum of the image side surface 114 of the first lens 110 is effectively
Radius is EHD12.
First lens thing side in the intersection point on optical axis between the point of inflexion of the first nearest optical axis in lens thing side with light
The parallel horizontal displacement distance of axle represents that the first lens image side surface is in the intersection point on optical axis to the first lens image side surface with SGI111
The horizontal displacement distance parallel with optical axis represents that it meets following condition with SGI121 between the point of inflexion of nearest optical axis:
SGI111=-0.0031mm;| SGI111 |/(| SGI111 |+TP1)=0.0016.
First lens thing side is in the intersection point on optical axis to the first lens thing side second close between the point of inflexion of optical axis
The horizontal displacement distance parallel with optical axis represents that the first lens image side surface is in the intersection point on optical axis to the first lens picture with SGI112
Side second represents that it meets following with SGI122 close to horizontal displacement distance parallel with optical axis between the point of inflexion of optical axis
Condition:SGI112=1.3178mm;| SGI112 |/(| SGI112 |+TP1)=0.4052.
Vertical range between the point of inflexion and optical axis of the first nearest optical axis in lens thing side represents with HIF111, the first lens
Vertical range between the point of inflexion and optical axis of the nearest optical axis of image side surface represents that it meets following condition with HIF121:HIF111=
0.5557mm;HIF111/HOI=0.1111.
First lens thing side second represents close to the vertical range between the point of inflexion of optical axis and optical axis with HIF112, first
Lens image side surface second represents that it meets following condition close to the vertical range between the point of inflexion of optical axis and optical axis with HIF122:
HIF112=5.3732mm;HIF112/HOI=1.0746.
Second lens 120 have positive refracting power, and are plastic material, and its thing side 122 is convex surface, and its image side surface 124 is
Convex surface, and be all aspherical, and its thing side 122 has a point of inflexion.The wheel of the maximum effective radius of second lens thing side
Wide length of curve represents that the contour curve length of the maximum effective radius of the second lens image side surface is represented with ARS22 with ARS21.
The contour curve length of 1/2 entrance pupil diameter (HEP) of second lens thing side represents with ARE21, the second lens image side surface
The contour curve length of 1/2 entrance pupil diameter (HEP) represented with ARE22.Second lens are TP2 in the thickness on optical axis.
The maximum effective radius of the thing side 122 of second lens 120 is EHD21, and the maximum of the image side surface 124 of the second lens 120 is effectively
Radius is EHD22.
Second lens thing side in the intersection point on optical axis between the point of inflexion of the second nearest optical axis in lens thing side with light
The parallel horizontal displacement distance of axle represents that the second lens image side surface is in the intersection point on optical axis to the second lens image side surface with SGI211
The horizontal displacement distance parallel with optical axis represents that it meets following condition with SGI221 between the point of inflexion of nearest optical axis:
SGI211=0.1069mm;| SGI211 |/(| SGI211 |+TP2)=0.0412;SGI221=0mm;|SGI221|/(|
SGI221 |+TP2)=0.
Vertical range between the point of inflexion and optical axis of the second nearest optical axis in lens thing side represents with HIF211, the second lens
Vertical range between the point of inflexion and optical axis of the nearest optical axis of image side surface represents that it meets following condition with HIF221:HIF211=
1.1264mm;HIF211/HOI=0.2253;HIF221=0mm;HIF221/HOI=0.
3rd lens 130 have negative refracting power, and are plastic material, and its thing side 132 is concave surface, and its image side surface 134 is
Convex surface, and be all aspherical, and its thing side 132 and image side surface 134 are respectively provided with a point of inflexion.3rd lens thing side is most
The contour curve length of big effective radius represents that the contour curve of the maximum effective radius of the 3rd lens image side surface is grown with ARS31
Degree is represented with ARS32.The contour curve length of 1/2 entrance pupil diameter (HEP) of 3rd lens thing side represents with ARE31,
The contour curve length of 1/2 entrance pupil diameter (HEP) of 3rd lens image side surface is represented with ARE32.3rd lens are in optical axis
On thickness be TP3.The maximum effective radius of the thing side 132 of 3rd lens 130 is EHD31, the image side of the first lens 130
The maximum effective radius in face 134 is EHD32.
3rd lens thing side in the intersection point on optical axis between the point of inflexion of the 3rd nearest optical axis in lens thing side with light
The parallel horizontal displacement distance of axle represents that the 3rd lens image side surface is in the intersection point on optical axis to the 3rd lens image side surface with SGI311
The horizontal displacement distance parallel with optical axis represents that it meets following condition with SGI321 between the point of inflexion of nearest optical axis:
SGI311=-0.3041mm;| SGI311 |/(| SGI311 |+TP3)=0.4445;SGI321=-0.1172mm;|SGI321
|/(| SGI321 |+TP3)=0.2357.
Vertical range between the point of inflexion and optical axis of the 3rd nearest optical axis in lens thing side represents with HIF311, the 3rd lens
Vertical range between the point of inflexion and optical axis of the nearest optical axis of image side surface represents that it meets following condition with HIF321:HIF311=
1.5907mm;HIF311/HOI=0.3181;HIF321=1.3380mm;HIF321/HOI=0.2676.
4th lens 140 have positive refracting power, and are plastic material, and its thing side 142 is convex surface, and its image side surface 144 is
Concave surface, and be all aspherical, and its thing side 142 with two points of inflexion and image side surface 144 with a point of inflexion.4th is saturating
The contour curve length of the maximum effective radius of mirror thing side represents with ARS41, the maximum effective radius of the 4th lens image side surface
Contour curve length represented with ARS42.The contour curve length of 1/2 entrance pupil diameter (HEP) of 4th lens thing side
Represented with ARE41, the contour curve length of 1/2 entrance pupil diameter (HEP) of the 4th lens image side surface is represented with ARE42.The
Four lens are TP4 in the thickness on optical axis.The maximum effective radius of the thing side 142 of 4th lens 140 is EHD41, and the 4th is saturating
The maximum effective radius of the image side surface 144 of mirror 140 is EHD42.
4th lens thing side in the intersection point on optical axis between the point of inflexion of the 4th nearest optical axis in lens thing side with light
The parallel horizontal displacement distance of axle represents that the 4th lens image side surface is in the intersection point on optical axis to the 4th lens image side surface with SGI411
The horizontal displacement distance parallel with optical axis represents that it meets following condition with SGI421 between the point of inflexion of nearest optical axis:
SGI411=0.0070mm;| SGI411 |/(| SGI411 |+TP4)=0.0056;SGI421=0.0006mm;|SGI421|/
(| SGI421 |+TP4)=0.0005.
4th lens thing side is in the intersection point on optical axis to the 4th lens thing side second close between the point of inflexion of optical axis
The horizontal displacement distance parallel with optical axis represents that the 4th lens image side surface is in the intersection point on optical axis to the 4th lens picture with SGI412
Side second represents that it meets following with SGI422 close to horizontal displacement distance parallel with optical axis between the point of inflexion of optical axis
Condition:SGI412=-0.2078mm;| SGI412 |/(| SGI412 |+TP4)=0.1439.
Vertical range between the point of inflexion and optical axis of the 4th nearest optical axis in lens thing side represents with HIF411, the 4th lens
Vertical range between the point of inflexion and optical axis of the nearest optical axis of image side surface represents that it meets following condition with HIF421:HIF411=
0.4706mm;HIF411/HOI=0.0941;HIF421=0.1721mm;HIF421/HOI=0.0344.
4th lens thing side second represents close to the vertical range between the point of inflexion of optical axis and optical axis with HIF412, the 4th
Lens image side surface second represents that it meets following condition close to the vertical range between the point of inflexion of optical axis and optical axis with HIF422:
HIF412=2.0421mm;HIF412/HOI=0.4084.
5th lens 150 have positive refracting power, and are plastic material, and its thing side 152 is convex surface, and its image side surface 154 is
Convex surface, and be all aspherical, and its thing side 152 with two points of inflexion and image side surface 154 with a point of inflexion.5th is saturating
The contour curve length of the maximum effective radius of mirror thing side represents with ARS51, the maximum effective radius of the 5th lens image side surface
Contour curve length represented with ARS52.The contour curve length of 1/2 entrance pupil diameter (HEP) of 5th lens thing side
Represented with ARE51, the contour curve length of 1/2 entrance pupil diameter (HEP) of the 5th lens image side surface is represented with ARE52.The
Five lens are TP5 in the thickness on optical axis.The maximum effective radius of the thing side 152 of 5th lens 150 is EHD51, and the 5th is saturating
The maximum effective radius of the image side surface 154 of mirror 150 is EHD52.
5th lens thing side in the intersection point on optical axis between the point of inflexion of the 5th nearest optical axis in lens thing side with light
The parallel horizontal displacement distance of axle represents that the 5th lens image side surface is in the intersection point on optical axis to the 5th lens image side surface with SGI511
The horizontal displacement distance parallel with optical axis represents that it meets following condition with SGI521 between the point of inflexion of nearest optical axis:
SGI511=0.00364mm;| SGI511 |/(| SGI511 |+TP5)=0.00338;SGI521=-0.63365mm; |
SGI521 |/(| SGI521 |+TP5)=0.37154.
5th lens thing side is in the intersection point on optical axis to the 5th lens thing side second close between the point of inflexion of optical axis
The horizontal displacement distance parallel with optical axis represents that the 5th lens image side surface is in the intersection point on optical axis to the 5th lens picture with SGI512
Side second represents that it meets following with SGI522 close to horizontal displacement distance parallel with optical axis between the point of inflexion of optical axis
Condition:SGI512=-0.32032mm;| SGI512 |/(| SGI512 |+TP5)=0.23009.
5th lens thing side is in the intersection point on optical axis to the 5th lens thing side the 3rd close between the point of inflexion of optical axis
The horizontal displacement distance parallel with optical axis represents that the 5th lens image side surface is in the intersection point on optical axis to the 5th lens picture with SGI513
Side the 3rd represents that it meets following with SGI523 close to horizontal displacement distance parallel with optical axis between the point of inflexion of optical axis
Condition:SGI513=0mm;| SGI513 |/(| SGI513 |+TP5)=0;SGI523=0mm;|SGI523|/(|SGI523|+
TP5)=0.
5th lens thing side is in the intersection point on optical axis to the 5th lens thing side the 4th close between the point of inflexion of optical axis
The horizontal displacement distance parallel with optical axis represents that the 5th lens image side surface is in the intersection point on optical axis to the 5th lens picture with SGI514
Side the 4th represents that it meets following with SGI524 close to horizontal displacement distance parallel with optical axis between the point of inflexion of optical axis
Condition:SGI514=0mm;| SGI514 |/(| SGI514 |+TP5)=0;SGI524=0mm;|SGI524|/(|SGI524|+
TP5)=0.
Vertical range between the point of inflexion and optical axis of the 5th nearest optical axis in lens thing side represents with HIF511, the 5th lens
Vertical range between the point of inflexion and optical axis of the nearest optical axis of image side surface represents that it meets following condition with HIF521:HIF511=
0.28212mm;HIF511/HOI=0.05642;HIF521=2.13850mm;HIF521/HOI=0.42770.
5th lens thing side second represents close to the vertical range between the point of inflexion of optical axis and optical axis with HIF512, the 5th
Lens image side surface second represents that it meets following condition close to the vertical range between the point of inflexion of optical axis and optical axis with HIF522:
HIF512=2.51384mm;HIF512/HOI=0.50277.
5th lens thing side the 3rd represents close to the vertical range between the point of inflexion of optical axis and optical axis with HIF513, the 5th
Lens image side surface the 3rd represents that it meets following condition close to the vertical range between the point of inflexion of optical axis and optical axis with HIF523:
HIF513=0mm;HIF513/HOI=0;HIF523=0mm;HIF523/HOI=0.
5th lens thing side the 4th represents close to the vertical range between the point of inflexion of optical axis and optical axis with HIF514, the 5th
Lens image side surface the 4th represents that it meets following condition close to the vertical range between the point of inflexion of optical axis and optical axis with HIF524:
HIF514=0mm;HIF514/HOI=0;HIF524=0mm;HIF524/HOI=0.
6th lens 160 have negative refracting power, and are plastic material, and its thing side 162 is concave surface, and its image side surface 164 is
Concave surface, and its thing side 162 with two points of inflexion and image side surface 164 with a point of inflexion.Thereby, each visual field can effectively be adjusted
It is incident in the angle of the 6th lens and improves aberration.The contour curve length of the maximum effective radius of 6th lens thing side with
ARS61 represents that the contour curve length of the maximum effective radius of the 6th lens image side surface is represented with ARS62.6th lens thing side
The contour curve length of 1/2 entrance pupil diameter (HEP) in face represents with ARE61,1/2 incident light of the 6th lens image side surface
The contour curve length of pupil diameter (HEP) is represented with ARE62.6th lens are TP6 in the thickness on optical axis.6th lens 160
The maximum effective radius of thing side 162 be EHD61, the maximum effective radius of the image side surface 164 of the 6th lens 160 is EHD62.
6th lens thing side in the intersection point on optical axis between the point of inflexion of the 6th nearest optical axis in lens thing side with light
The parallel horizontal displacement distance of axle represents that the 6th lens image side surface is in the intersection point on optical axis to the 6th lens image side surface with SGI611
The horizontal displacement distance parallel with optical axis represents that it meets following condition with SGI621 between the point of inflexion of nearest optical axis:
SGI611=-0.38558mm;| SGI611 |/(| SGI611 |+TP6)=0.27212;SGI621=0.12386mm; |
SGI621 |/(| SGI621 |+TP6)=0.10722.
6th lens thing side is in the intersection point on optical axis to the 6th lens thing side second close between the point of inflexion of optical axis
The horizontal displacement distance parallel with optical axis represents that the 6th lens image side surface is in the intersection point on optical axis to the 6th lens picture with SGI612
Side second represents that it meets following with SGI621 close to horizontal displacement distance parallel with optical axis between the point of inflexion of optical axis
Condition:SGI612=-0.47400mm;| SGI612 |/(| SGI612 |+TP6)=0.31488;SGI622=0mm; |
SGI622 |/(| SGI622 |+TP6)=0.
Vertical range between the point of inflexion and optical axis of the 6th nearest optical axis in lens thing side represents with HIF611, the 6th lens
Vertical range between the point of inflexion and optical axis of the nearest optical axis of image side surface represents that it meets following condition with HIF621:HIF611=
2.24283mm;HIF611/HOI=0.44857;HIF621=1.07376mm;HIF621/HOI=0.21475.
6th lens thing side second represents close to the vertical range between the point of inflexion of optical axis and optical axis with HIF612, the 6th
Lens image side surface second represents that it meets following condition close to the vertical range between the point of inflexion of optical axis and optical axis with HIF622:
HIF612=2.48895mm;HIF612/HOI=0.49779.
6th lens thing side the 3rd represents close to the vertical range between the point of inflexion of optical axis and optical axis with HIF613, the 6th
Lens image side surface the 3rd represents that it meets following condition close to the vertical range between the point of inflexion of optical axis and optical axis with HIF623:
HIF613=0mm;HIF613/HOI=0;HIF623=0mm;HIF623/HOI=0.
6th lens thing side the 4th represents close to the vertical range between the point of inflexion of optical axis and optical axis with HIF614, the 6th
Lens image side surface the 4th represents that it meets following condition close to the vertical range between the point of inflexion of optical axis and optical axis with HIF624:
HIF614=0mm;HIF614/HOI=0;HIF624=0mm;HIF624/HOI=0.
Infrared filter 180 is glass material, and it is arranged between the 6th lens 160 and imaging surface 190 and does not influence light
Learn the focal length of imaging system.
In the optical imaging system of the present embodiment, the focal length of optical imaging system is f, the entrance pupil of optical imaging system
A diameter of HEP, the half at maximum visual angle is HAF in optical imaging system, and its numerical value is as follows:F=4.075mm;F/HEP=
1.4;And HAF=50.001 degree and tan (HAF)=1.1918.
In the optical imaging system of the present embodiment, the focal length of the first lens 110 is f1, and the focal length of the 6th lens 160 is f6,
It meets following condition:F1=-7.828mm;| f/f1 |=0.52060;F6=-4.886;And | f1 |>|f6|.
In the optical imaging system of the present embodiment, the focal lengths of the lens 150 of the second lens 120 to the 5th be respectively f2, f3,
F4, f5, it meets following condition:| f2 |+| f3 |+| f4 |+| f5 |=95.50815mm;| f1 |+| f6 |=12.71352mm with
And | f2 |+| f3 |+| f4 |+| f5 |>|f1|+|f6|.
The focal length f of optical imaging system and the focal length fp per a piece of lens with positive refracting power ratio are PPR, light
The ratio for learning the focal length f of the imaging system and focal length fn per a piece of lens with negative refracting power is NPR, the light of the present embodiment
Learn in imaging system, the PPR summations of the lens of all positive refracting powers are Σ PPR=f/f2+f/f4+f/f5=1.63290, are owned
The NPR summations of the lens of negative refracting power are Σ NPR=| f/f1 |+| f/f3 |+| f/f6 |=1.51305, Σ PPR/ | Σ NPR |=
1.07921.Also meet following condition simultaneously:| f/f2 |=0.69101;| f/f3 |=0.15834;| f/f4 |=0.06883;|
F/f5 |=0.87305;| f/f6 |=0.83412.
In the optical imaging system of the present embodiment, between the lens image side surface 164 of the first lens thing side 112 to the 6th away from
From for InTL, the first lens thing side 112 to the distance between imaging surface 190 is HOS, aperture 100 between imaging surface 180 away from
It is HOI from the half for InS, the effective sensing region diagonal line length of imaging sensor 192, the 6th lens image side surface 164 to imaging
Distance between face 190 is BFL, and it meets following condition:InTL+BFL=HOS;HOS=19.54120mm;HOI=5.0mm;
HOS/HOI=3.90824;HOS/f=4.7952;InS=11.685mm;And InS/HOS=0.59794.
In the optical imaging system of the present embodiment, in the thickness summation of lens of all tool refracting powers on optical axis be Σ TP,
It meets following condition:Σ TP=8.13899mm;And Σ TP/InTL=0.52477.Thereby, when can take into account simultaneously system into
The yield of contrast and the lens manufacture of picture simultaneously provides appropriate back focal length to house other assemblies.
In the optical imaging system of the present embodiment, the radius of curvature of the first lens thing side 112 is R1, the first lens image side
The radius of curvature in face 114 is R2, and it meets following condition:| R1/R2 |=8.99987.Thereby, the first lens possesses suitably just
Flexion force intensity, spherical aberration increase is avoided to overrun.
In the optical imaging system of the present embodiment, the radius of curvature of the 6th lens thing side 162 is R11, the 6th lens picture
The radius of curvature of side 164 is R12, and it meets following condition:(R11-R12)/(R11+R12)=1.27780.Thereby, favorably
In astigmatism caused by amendment optical imaging system.
In the optical imaging system of the present embodiment, the focal length summation of the lens of all positive refracting powers of tool is Σ PP, and it meets
Following condition:Σ PP=f2+f4+f5=69.770mm;And f5/ (f2+f4+f5)=0.067.Thereby, appropriate point is contributed to
Positive refracting power with single lens is to other positive lens, to suppress the generation of the notable aberration of incident ray traveling process.
In the optical imaging system of the present embodiment, the focal length summation of the lens of all negative refracting powers of tool is Σ NP, and it meets
Following condition:Σ NP=f1+f3+f6=-38.451mm;And f6/ (f1+f3+f6)=0.127.Thereby, appropriate point is contributed to
Negative refracting power with the 6th lens is to other negative lenses, to suppress the generation of the notable aberration of incident ray traveling process.
In the optical imaging system of the present embodiment, the first lens 110 are in the spacing distance on optical axis with the second lens 120
IN12, it meets following condition:IN12=6.418mm;IN12/f=1.57491.Thereby, contribute to improve lens aberration with
Lift its performance.
In the optical imaging system of the present embodiment, the 5th lens 150 are in the spacing distance on optical axis with the 6th lens 160
IN56, it meets following condition:IN56=0.025mm;IN56/f=0.00613.Thereby, contribute to improve lens aberration with
Lift its performance.
In the optical imaging system of the present embodiment, the first lens 110 are respectively in the thickness on optical axis with the second lens 120
TP1 and TP2, it meets following condition:TP1=1.934mm;TP2=2.486mm;And (TP1+IN12)/TP2=
3.36005.Thereby, contribute to control the susceptibility of optical imaging system manufacture and lift its performance.
In the optical imaging system of the present embodiment, the 5th lens 150 are respectively in the thickness on optical axis with the 6th lens 160
TP5 and TP6, foregoing two lens are IN56 in the spacing distance on optical axis, and it meets following condition:TP5=1.072mm;TP6
=1.031mm;And (TP6+IN56)/TP5=0.98555.Thereby, the susceptibility for controlling optical imaging system to manufacture is contributed to
And reduce system total height.
In the optical imaging system of the present embodiment, the 3rd lens 130 are in the spacing distance on optical axis with the 4th lens 140
IN34, the 4th lens 140 and the 5th lens 150 are IN45 in the spacing distance on optical axis, and it meets following condition:IN34=
0.401mm;IN45=0.025mm;And TP4/ (IN34+TP4+IN45)=0.74376.Thereby, contribute to repair a little layer by layer
Aberration caused by normal incidence light traveling process simultaneously reduces system total height.
In the optical imaging system of the present embodiment, the 5th lens thing side 152 is in the intersection point on optical axis to the 5th lens thing
The maximum effective radius position of side 152 is InRS51 in the horizontal displacement distance of optical axis, and the 5th lens image side surface 154 is in optical axis
On intersection point to the maximum effective radius position of the 5th lens image side surface 154 in the horizontal displacement distance of optical axis be InRS52, the
Five lens 150 are TP5 in the thickness on optical axis, and it meets following condition:InRS51=-0.34789mm;InRS52=-
0.88185mm;| InRS51 |/TP5=0.32458 and | InRS52 |/TP5=0.82276.Thereby, the system of eyeglass is advantageous to
Make and be molded, and effectively maintain its miniaturization.
In the optical imaging system of the present embodiment, the critical point of the 5th lens thing side 152 and the vertical range of optical axis are
HVT51, the critical point of the 5th lens image side surface 154 and the vertical range of optical axis are HVT52, and it meets following condition:HVT51=
0.515349mm;HVT52=0mm.
In the optical imaging system of the present embodiment, the 6th lens thing side 162 is in the intersection point on optical axis to the 6th lens thing
The maximum effective radius position of side 162 is InRS61 in the horizontal displacement distance of optical axis, and the 6th lens image side surface 164 is in optical axis
On intersection point to the maximum effective radius position of the 6th lens image side surface 164 in the horizontal displacement distance of optical axis be InRS62, the
Six lens 160 are TP6 in the thickness on optical axis, and it meets following condition:InRS61=-0.58390mm;InRS62=
0.41976mm;| InRS61 |/TP6=0.56616 and | InRS62 |/TP6=0.40700.Thereby, the system of eyeglass is advantageous to
Make and be molded, and effectively maintain its miniaturization.
In the optical imaging system of the present embodiment, the critical point of the 6th lens thing side 162 and the vertical range of optical axis are
HVT61, the critical point of the 6th lens image side surface 164 and the vertical range of optical axis are HVT62, and it meets following condition:HVT61=
0mm;HVT62=0mm.
In the optical imaging system of the present embodiment, it meets following condition:HVT51/HOI=0.1031.Thereby, contribute to
The lens error correction of the peripheral field of optical imaging system.
In the optical imaging system of the present embodiment, it meets following condition:HVT51/HOS=0.02634.Thereby, help
In the lens error correction of the peripheral field of optical imaging system.
In the optical imaging system of the present embodiment, the second lens, the 3rd lens and the 6th lens have negative refracting power, the
The abbe number of two lens is NA2, and the abbe number of the 3rd lens is NA3, and the abbe number of the 6th lens is NA6, and it meets
Following condition:NA6/NA2≦1.Thereby, the amendment of optical imaging system aberration is contributed to.
In the optical imaging system of the present embodiment, TV distortion of optical imaging system when imaging is TDT, light during imaging
It is ODT to learn distortion, and it meets following condition:TDT=2.124%;ODT=5.076%.
In the optical imaging system of the present embodiment, the most long operation wavelength of visible ray of positive meridian plane light fan figure passes through aperture
Marginal incident lateral aberration of 0.7 visual field on imaging surface represents that it is 0.006mm with PLTA, positive meridian plane light fan figure
The lateral aberration that the most short operation wavelength of visible ray is incident on 0.7 visual field on imaging surface by aperture blade represents that it is with PSTA
0.005mm, the most long operation wavelength of visible ray of negative sense meridian plane light fan figure are incident on 0.7 visual field on imaging surface by aperture blade
Lateral aberration represent that it is 0.004mm with NLTA, the most short operation wavelength of visible ray of negative sense meridian plane light fan figure passes through light
Circle marginal incident lateral aberration of 0.7 visual field on imaging surface represents that it is -0.007mm with NSTA.Sagittal surface light fan figure can
See that the lateral aberration that the most long operation wavelength of light is incident on 0.7 visual field on imaging surface by aperture blade is represented with SLTA, its for-
0.003mm, the most short operation wavelength of visible ray of sagittal surface light fan figure are incident on the horizontal stroke of 0.7 visual field on imaging surface by aperture blade
Represented to aberration with SSTA, it is 0.008mm.
It refer to Fig. 7, the lens orientation component 794 of the present embodiment, in hollow and the first lens can be housed to the 6th lens
In any lens, and make each lens arrangement the lens orientation component include a thing end 796 and one on optical axis
As end 798, the thing end 796 is described as end 798 close to image side and has close to thing side and with one first opening 7962
One second opening 7982, the outer wall of lens positioning component 794 includes two sections 799, and each section 799 has respectively
There is a shaping to fill mouth trace 7992.The internal diameter of first opening 7962 is OD, and the internal diameter of second opening 7982 is ID, and it is full
Foot row condition:OD=5.8mm;ID=3.863mm;OD/ID=1.5014.The minimum thickness of the thing end 796 is OT
And the minimum thickness as end 798 is IT, it meets following condition:OT=0.1mm;IT=0.3mm;OT/IT=
0.33。
Coordinate again with reference to following table one and table two.
The asphericity coefficient of table two, first embodiment
The related numerical value of following contour curve length is can obtain according to table one and table two:
Table one is the unit of the detailed structured data, wherein radius of curvature, thickness, distance and focal length of Fig. 1 first embodiments
For mm, and surface 0-16 represents by the surface of thing side to image side successively.Table two is the aspherical surface data in first embodiment, its
In, the conical surface coefficient in k table aspheric curve equations, A1-A20 then represents each surface 1-20 rank asphericity coefficients.In addition,
Following embodiment form is the schematic diagram and aberration curve figure of corresponding each embodiment, and the definition of data is all real with first in form
It is identical to apply the definition of the table one and table two of example, is not added with repeating herein.
Second embodiment
Fig. 2A and Fig. 2 B are refer to, wherein Fig. 2A shows a kind of optical imagery according to the utility model second embodiment
The schematic diagram of system, Fig. 2 B are followed successively by spherical aberration, astigmatism and the optical distortion of the optical imaging system of second embodiment from left to right
Curve map.Fig. 2 C be second embodiment optical imaging system meridian plane light fan and sagittal surface light fan, most long operation wavelength with
And lateral aberration diagram of the most short operation wavelength by aperture blade at 0.7 visual field.From Fig. 2A, optical imaging system 20 by
Thing side to image side includes the first lens 210, the second lens 220, the 3rd lens 230, aperture 200, the 4th lens 240, the successively
Five lens 250, the 6th lens 260, infrared filter 280, imaging surface 290 and imaging sensor 292.
First lens 210 have positive refracting power, and are plastic material, and its thing side 212 is concave surface, and its image side surface 214 is
Convex surface, and be all aspherical.
Second lens 220 have negative refracting power, and are plastic material, and its thing side 222 is concave surface, and its image side surface 224 is
Concave surface, and be all aspherical, its thing side 222 has a point of inflexion.
3rd lens 230 have negative refracting power, and are plastic material, and its thing side 232 is convex surface, and its image side surface 234 is
Concave surface, and be all aspherical, its thing side 232 has a point of inflexion.
4th lens 240 have positive refracting power, and are plastic material, and its thing side 242 is convex surface, and its image side surface 244 is
Convex surface, and be all aspherical, its thing side 242 has a point of inflexion.
5th lens 250 have positive refracting power, and are plastic material, and its thing side 252 is convex surface, and its image side surface 254 is
Convex surface, and be all aspherical, its thing side 252 and image side surface 254 are respectively provided with a point of inflexion.
6th lens 260 have negative refracting power, and are plastic material, and its thing side 262 is concave surface, and its image side surface 264 is
Concave surface.Thereby, be advantageous to shorten its back focal length to maintain to minimize.In addition, the 6th lens image side surface 264 has a point of inflexion,
The incident angle of off-axis field rays can effectively be suppressed, further can modified off-axis visual field aberration.
Infrared filter 280 is glass material, and it is arranged between the 6th lens 260 and imaging surface 290 and does not influence light
Learn the focal length of imaging system.
It please coordinate with reference to following table three and table four.
The asphericity coefficient of table four, second embodiment
In second embodiment, aspherical fitting equation represents the form such as first embodiment.In addition, following table parameter
Definition is all identical with first embodiment, and not in this to go forth.
Following condition formulae numerical value is can obtain according to table three and table four:
The related numerical value of contour curve length is can obtain according to table three and table four:
Following numerical value is can obtain according to table three and table four:
3rd embodiment
Fig. 3 A and Fig. 3 B are refer to, wherein Fig. 3 A show a kind of optical imagery according to the utility model 3rd embodiment
The schematic diagram of system, Fig. 3 B are followed successively by spherical aberration, astigmatism and the optical distortion of the optical imaging system of 3rd embodiment from left to right
Curve map.Fig. 3 C be 3rd embodiment optical imaging system meridian plane light fan and sagittal surface light fan, most long operation wavelength with
And lateral aberration diagram of the most short operation wavelength by aperture blade at 0.7 visual field.From Fig. 3 A, optical imaging system 30 by
Thing side to image side includes the first lens 310, the second lens 320, the 3rd lens 330, aperture 300, the 4th lens 340, the successively
Five lens 350, the 6th lens 360, infrared filter 380, imaging surface 390 and imaging sensor 392.
First lens 310 have positive refracting power, and are plastic material, and its thing side 312 is convex surface, and its image side surface 314 is
Concave surface, and be all aspherical, its thing side 312 and image side surface 314 are respectively provided with a point of inflexion.
Second lens 320 have negative refracting power, and are plastic material, and its thing side 322 is convex surface, and its image side surface 324 is
Concave surface, and be all aspherical, its thing side 322 has a point of inflexion
3rd lens 330 have negative refracting power, and are plastic material, and its thing side 332 is convex surface, and its image side surface 334 is
Concave surface, and be all aspherical.
4th lens 340 have positive refracting power, and are plastic material, and its thing side 342 is convex surface, and its image side surface 344 is
Convex surface, and be all aspherical.
5th lens 350 have negative refracting power, and are plastic material, and its thing side 352 is concave surface, and its image side surface 354 is
Convex surface, and be all aspherical, and its thing side 352 and image side surface 354 are respectively provided with two points of inflexion.
6th lens 360 have positive refracting power, and are plastic material, and its thing side 362 is convex surface, and its image side surface 364 is
Concave surface.Thereby, be advantageous to shorten its back focal length to maintain to minimize.In addition, it can effectively suppress off-axis field rays incidence
Angle, further can modified off-axis visual field aberration.
Infrared filter 380 is glass material, and it is arranged between the 6th lens 360 and imaging surface 390 and does not influence light
Learn the focal length of imaging system.
It please coordinate with reference to following table five and table six.
The asphericity coefficient of table six, 3rd embodiment
In 3rd embodiment, aspherical fitting equation represents the form such as first embodiment.In addition, following table parameter
Definition is all identical with first embodiment, and not in this to go forth.
Following condition formulae numerical value is can obtain according to table five and table six:
The related numerical value of following contour curve length is can obtain according to table five and table six:
Following condition formulae numerical value is can obtain according to table five and table six:
Fourth embodiment
Fig. 4 A and Fig. 4 B are refer to, wherein Fig. 4 A show a kind of optical imagery according to the utility model fourth embodiment
The schematic diagram of system, Fig. 4 B are followed successively by spherical aberration, astigmatism and the optical distortion of the optical imaging system of fourth embodiment from left to right
Curve map.Fig. 4 C be fourth embodiment optical imaging system meridian plane light fan and sagittal surface light fan, most long operation wavelength with
And lateral aberration diagram of the most short operation wavelength by aperture blade at 0.7 visual field.From Fig. 4 A, optical imaging system 40 by
Thing side to image side includes the first lens 410, the second lens 420, the 3rd lens 430, aperture 400, the 4th lens 440, the successively
Five lens 450, the 6th lens 460, infrared filter 480, imaging surface 490 and imaging sensor 492.
First lens 410 have negative refracting power, and are plastic material, and its thing side 412 is convex surface, and its image side surface 414 is
Concave surface, and be all aspherical.
Second lens 420 have negative refracting power, and are plastic material, and its thing side 422 is convex surface, and its image side surface 424 is
Concave surface, and be all aspherical, and its thing side 422 has a point of inflexion.
3rd lens 430 have negative refracting power, and are plastic material, and its thing side 432 is convex surface, and its image side surface 434 is
Concave surface, and be all aspherical, and its thing side 432 has a point of inflexion.
4th lens 440 have positive refracting power, and are plastic material, and its thing side 442 is convex surface, and its image side surface 444 is
Convex surface, and be all aspherical, and its thing side 442 has a point of inflexion.
5th lens 450 have positive refracting power, and are plastic material, and its thing side 452 is convex surface, and its image side surface 454 is
Convex surface, and be all aspherical, and its image side surface 454 has a point of inflexion.
6th lens 460 have positive refracting power, and are plastic material, and its thing side 462 is concave surface, and its image side surface 464 is
Convex surface.Thereby, be advantageous to shorten its back focal length to maintain to minimize.In addition, its image side surface 464 has a point of inflexion, can be effective
The incident angle of off-axis field rays is suppressed on ground, further can modified off-axis visual field aberration.
Infrared filter 480 is glass material, and it is arranged between the 6th lens 460 and imaging surface 490 and does not influence light
Learn the focal length of imaging system.
It please coordinate with reference to following table seven and table eight.
The asphericity coefficient of table eight, fourth embodiment
In fourth embodiment, aspherical fitting equation represents the form such as first embodiment.In addition, following table parameter
Definition is all identical with first embodiment, and not in this to go forth.
Following condition formulae numerical value is can obtain according to table seven and table eight:
The related numerical value of following contour curve length is can obtain according to table seven and table eight:
Following condition formulae numerical value is can obtain according to table seven and table eight:
5th embodiment
Fig. 5 A and Fig. 5 B are refer to, wherein Fig. 5 A show a kind of optical imagery according to the embodiment of the utility model the 5th
The schematic diagram of system, Fig. 5 B are followed successively by spherical aberration, astigmatism and the optical distortion of the optical imaging system of the 5th embodiment from left to right
Curve map.Fig. 5 C be the 5th embodiment optical imaging system meridian plane light fan and sagittal surface light fan, most long operation wavelength with
And lateral aberration diagram of the most short operation wavelength by aperture blade at 0.7 visual field.From Fig. 5 A, optical imaging system 50 by
Thing side to image side includes the first lens 510, the second lens 520, the 3rd lens 530, aperture 500, the 4th lens 540, the successively
Five lens 550, the 6th lens 560, infrared filter 580, imaging surface 590 and imaging sensor 592.
First lens 510 have negative refracting power, and are plastic material, and its thing side 512 is convex surface, and its image side surface 514 is
Concave surface, and be all aspherical, its thing side 522 has a point of inflexion.
Second lens 520 have negative refracting power, and are plastic material, and its thing side 522 is concave surface, and its image side surface 524 is
Convex surface, and be all aspherical, its thing side 522 and image side surface 524 are respectively provided with two points of inflexion.
3rd lens 530 have positive refracting power, and are plastic material, and its thing side 532 is convex surface, and its image side surface 534 is
Convex surface, and be all aspherical.
4th lens 540 have positive refracting power, and are plastic material, and its thing side 542 is convex surface, and its image side surface 544 is
Convex surface, and be all aspherical, and its image side surface 544 has a point of inflexion.
5th lens 550 have negative refracting power, and are plastic material, and its thing side 552 is convex surface, and its image side surface 554 is
Concave surface, and be all aspherical, and its thing side 552 with a point of inflexion and image side surface 554 with two points of inflexion.
6th lens 560 have positive refracting power, and are plastic material, and its thing side 562 is convex surface, and its image side surface 564 is
Convex surface.Thereby, be advantageous to shorten its back focal length to maintain to minimize.In addition, and its image side surface 564 there is a point of inflexion, can have
Suppress the incident angle of off-axis field rays, and the aberration of modified off-axis visual field in effect ground.
Infrared filter 580 is glass material, and it is arranged between the 6th lens 560 and imaging surface 590 and does not influence light
Learn the focal length of imaging system.
It please coordinate with reference to following table nine and table ten.
The asphericity coefficient of table ten, the 5th embodiment
In 5th embodiment, aspherical fitting equation represents the form such as first embodiment.In addition, following table parameter
Definition is all identical with first embodiment, and not in this to go forth.
Following condition formulae numerical value is can obtain according to table nine and table ten:
The related numerical value of following contour curve length is can obtain according to table nine and table ten:
Following condition formulae numerical value is can obtain according to table nine and table ten:
Sixth embodiment
Fig. 6 A and Fig. 6 B are refer to, wherein Fig. 6 A show a kind of optical imagery according to the utility model sixth embodiment
The schematic diagram of system, Fig. 6 B are followed successively by spherical aberration, astigmatism and the optical distortion of the optical imaging system of sixth embodiment from left to right
Curve map.Fig. 6 C be sixth embodiment optical imaging system meridian plane light fan and sagittal surface light fan, most long operation wavelength with
And lateral aberration diagram of the most short operation wavelength by aperture blade at 0.7 visual field.From Fig. 6 A, optical imaging system 60 by
Thing side to image side includes the first lens 610, the second lens 620, the 3rd lens 630, aperture 600, the 4th lens 640, the successively
Five lens 650, the 6th lens 660, infrared filter 680, imaging surface 690 and imaging sensor 692.
First lens 610 have negative refracting power, and are plastic material, and its thing side 612 is convex surface, and its image side surface 614 is
Concave surface, and be all aspherical.
Second lens 620 have negative refracting power, and are plastic material, and its thing side 622 is convex surface, and its image side surface 624 is
Concave surface, and be all aspherical.
3rd lens 630 have negative refracting power, and are plastic material, and its thing side 632 is convex surface, and its image side surface 634 is
Concave surface, and be all aspherical, and its thing side 632 has a point of inflexion.
4th lens 640 have positive refracting power, and are plastic material, and its thing side 642 is convex surface, and its image side surface 644 is
Convex surface, and be all aspherical.
5th lens 650 have positive refracting power, and are plastic material, and its thing side 652 is convex surface, and its image side surface 654 is
Convex surface, and be all aspherical.
6th lens 660 have negative refracting power, and are plastic material, and its thing side 662 is convex surface, and its image side surface 664 is
Concave surface, and its thing side 662 and image side surface 664 are respectively provided with two points of inflexion.Thereby, be advantageous to shorten its back focal length to remain small
Type, also can effectively suppress the incident angle of off-axis field rays, further can modified off-axis visual field aberration.
Infrared filter 680 is glass material, and it is arranged between the 6th lens 660 and imaging surface 690 and does not influence light
Learn the focal length of imaging system.
It please coordinate with reference to following table 11 and table 12.
The asphericity coefficient of table 12, sixth embodiment
In sixth embodiment, aspherical fitting equation represents the form such as first embodiment.In addition, following table parameter
Definition is all identical with first embodiment, and not in this to go forth.
Following condition formulae numerical value is can obtain according to table 11 and table 12:
The related numerical value of contour curve length is can obtain according to table 11 and table 12:
Following condition formulae numerical value is can obtain according to table 11 and table 12:
Although the utility model is disclosed above with embodiment, so it is not limited to the utility model, Ren Heben
Art personnel, do not departing from spirit and scope of the present utility model, when can be used for a variety of modifications and variations, therefore this reality
Worked as with new protection domain and be defined depending on appended claims scope institute defender.
To be art although the utility model is particularly shown with reference to its exemplary embodiments and describes
Those of ordinary skill will be understood by, of the present utility model defined in following claims scope and its equivalent in not departing from
Form and the various change in details can be carried out under spirit and scope to it.
Claims (25)
1. a kind of optical imaging system, it is characterised in that included successively by thing side to image side:
One first lens, there is refracting power;
One second lens, there is refracting power;
One the 3rd lens, there is refracting power;
One the 4th lens, there is refracting power;
One the 5th lens, there is refracting power;
One the 6th lens, there is refracting power;
One imaging surface;And
One lens positioning component, wherein the lens positioning component is in hollow and can house first lens to the described 6th saturating
Any lens in mirror, and said lens is arranged on optical axis, the lens positioning component includes a thing end and one as end
Portion, the thing end are close to thing side and described close to image side and with one second opening with one first opening, the picture end
The outer wall of lens positioning component includes at least two sections, and there is at least one shaping to fill mouth trace, institute respectively in each section
Stating the first lens at least one piece of lens into the 6th lens has positive refracting power, and the focal length of the optical imaging system is f,
The entrance pupil diameter of the optical imaging system is HEP, and the half of the maximum visual angle of the optical imaging system is
HAF, using first lens, into the 6th lens, any surface of any lens and the intersection point of optical axis is starting points, along institute
The profile on surface is stated untill the coordinate points on the surface at the vertical height of the entrance pupil diameter of optical axis 1/2, it is preceding
The contour curve length for stating point-to-point transmission is ARE, and it meets following condition:1≦f/HEP≦10;0deg<HAF≤150deg and
0.9≦2(ARE/HEP)≦2.0。
2. optical imaging system as claimed in claim 1, it is characterised in that the outer wall of the lens positioning component is included at least
There is at least one shaping to fill mouth trace respectively for three sections, each section.
3. optical imaging system as claimed in claim 1, it is characterised in that the internal diameter of first opening is OD, described the
The internal diameter of two openings is ID, and it meets following condition:0.1≦OD/ID≦10.
4. optical imaging system as claimed in claim 1, it is characterised in that the minimum thickness of the thing end is OT and institute
State as the minimum thickness of end is IT, it meets following condition:0.1≦OT/IT≦10.
5. optical imaging system as claimed in claim 1, it is characterised in that TV of optical imaging system when imaging is abnormal
Be changed into TDT, the optical imaging system in there is an image height HOI perpendicular to optical axis on the imaging surface, the optics into
As the most long operation wavelength that the positive meridian plane light of system is fanned by entrance pupil edge and is incident on the imaging surface
Lateral aberration at 0.7HOI represents that the most short operation wavelength of the positive meridian plane light fan of the optical imaging system is led to PLTA
The lateral aberration crossed entrance pupil edge and be incident on the imaging surface at 0.7HOI represents with PSTA, the optical imagery system
The most long operation wavelength of the negative sense meridian plane light fan of system by entrance pupil edge and is incident on the imaging surface at 0.7HOI
Lateral aberration represent that the most short operation wavelength of the negative sense meridian plane light of optical imaging system fan passes through incident light with NLTA
The pupil edge and lateral aberration being incident on the imaging surface at 0.7HOI is represented with NSTA, the sagitta of arc of the optical imaging system
The most long operation wavelength of face light fan by entrance pupil edge and be incident on the lateral aberration on the imaging surface at 0.7HOI with
SLTA represents that the most short operation wavelength of the sagittal surface light fan of the optical imaging system by entrance pupil edge and is incident on institute
State the lateral aberration on imaging surface at 0.7HOI to represent with SSTA, it meets following condition:PLTA≤100 micron;PSTA≦100
Micron;NLTA≤100 micron;NSTA≤100 micron;SLTA≤100 micron;SSTA≤100 micron;And │ TDT │<100%.
6. optical imaging system as claimed in claim 1, it is characterised in that the imaging surface is a plane or a curved surface.
7. optical imaging system as claimed in claim 1, it is characterised in that with the thing side of the 6th lens on optical axis
Intersection point be starting point, along the surface profile until on the surface apart from the vertical height of the entrance pupil diameter of optical axis 1/2
Untill coordinate points at degree, the contour curve length of foregoing point-to-point transmission is ARE61, with the image side surface of the 6th lens in optical axis
On intersection point be starting point, along the surface profile until on the surface apart from the vertical of the entrance pupil diameter of optical axis 1/2
Highly untill the coordinate points at place, the contour curve length of foregoing point-to-point transmission is ARE62, and the 6th lens are in the thickness on optical axis
For TP6, it meets following condition:0.05≦ARE61/TP6≦25;And 0.05≤ARE62/TP6≤25.
8. optical imaging system as claimed in claim 1, it is characterised in that with the thing side of the 5th lens on optical axis
Intersection point be starting point, along the surface profile until on the surface apart from the vertical height of the entrance pupil diameter of optical axis 1/2
Untill coordinate points at degree, the contour curve length of foregoing point-to-point transmission is ARE51, with the image side surface of the 5th lens in optical axis
On intersection point be starting point, along the surface profile until on the surface apart from the vertical of the entrance pupil diameter of optical axis 1/2
Highly untill the coordinate points at place, the contour curve length of foregoing point-to-point transmission is ARE52, and the 5th lens are in the thickness on optical axis
For TP5, it meets following condition:0.05≦ARE51/TP5≦25;And 0.05≤ARE52/TP5≤25.
9. optical imaging system as claimed in claim 1, it is characterised in that also including an aperture, and the aperture is to institute
Imaging surface is stated in having a distance InS on optical axis, the first lens thing side to the imaging surface in have on optical axis one away from
From HOS, it meets following equation:0.2≦InS/HOS≦1.1.
10. a kind of optical imaging system, it is characterised in that included successively by thing side to image side:
One first lens, there is refracting power;
One second lens, there is refracting power;
One the 3rd lens, there is refracting power;
One the 4th lens, there is refracting power;
One the 5th lens, there is refracting power;
One the 6th lens, there is refracting power;
One imaging surface;And
One lens positioning component, wherein the lens positioning component is in hollow and can house first lens to the described 6th saturating
Any lens in mirror, and said lens is arranged on optical axis, the lens positioning component includes a thing end and one as end
Portion, the thing end are close to thing side and described close to image side and with one second opening with one first opening, the picture end
The outer wall of lens positioning component includes at least two sections, and there is at least one shaping to fill mouth trace respectively in each section, its
Described in optical imaging system to have the lens of refracting power be six pieces, and first lens are into the 6th lens at least one
An at least surface for piece lens has an at least point of inflexion, and the focal length of the optical imaging system is f, the optical imaging system
Entrance pupil diameter be HEP, the half of the maximum visual angle of the optical imaging system is HAF, with first lens
Into the 6th lens, any surface of any lens and the intersection point of optical axis are starting point, along the profile on the surface until institute
Untill stating the coordinate points on surface at the vertical height of the entrance pupil diameter of optical axis 1/2, the contour curve of foregoing point-to-point transmission
Length is ARE, and it meets following condition:1≦f/HEP≦10;0deg<HAF≤150deg and 0.9≤2 (ARE/HEP)≤
2.0。
11. optical imaging system as claimed in claim 10, it is characterised in that the outer wall of the lens positioning component is included extremely
There is at least one shaping to fill mouth trace respectively for few three sections, each section.
12. optical imaging system as claimed in claim 10, it is characterised in that the internal diameter of first opening is OD, described
The internal diameter of second opening is ID, and it meets following condition:0.1≦OD/ID≦10.
13. optical imaging system as claimed in claim 10, it is characterised in that the minimum thickness of the thing end be OT and
The minimum thickness as end is IT, and it meets following condition:0.1≦OT/IT≦10.
14. optical imaging system as claimed in claim 10, it is characterised in that first lens are into the 6th lens
The maximum effective radius of any surface of any lens represents with EHD, with first lens into the 6th lens it is any
Any surface of lens and the intersection point of optical axis are starting point, along the profile on the surface until the maximum effective radius on the surface
Locate as terminal, the contour curve length of foregoing point-to-point transmission is ARS, and it meets following equation:0.9≦ARS/EHD≦2.0.
15. optical imaging system as claimed in claim 10, it is characterised in that the optical imaging system is in the imaging surface
On perpendicular to optical axis there is an image height HOI, the most long operation wavelength of the positive meridian plane light fan of the optical imaging system
Represented by entrance pupil edge and the lateral aberration that is incident on the imaging surface at 0.7HOI with PLTA, the optical imagery
The most short operation wavelength of the positive meridian plane light fan of system by entrance pupil edge and is incident on 0.7HOI on the imaging surface
The lateral aberration at place represents that the most long operation wavelength of the negative sense meridian plane light fan of the optical imaging system passes through incidence with PSTA
The pupil rim and lateral aberration being incident on the imaging surface at 0.7HOI is represented with NLTA, the optical imaging system it is negative
The most short operation wavelength fanned to meridian plane light by entrance pupil edge and is incident on the transverse direction on the imaging surface at 0.7HOI
Aberration represents that the most long operation wavelength of the sagittal surface light fan of the optical imaging system is incorporated to by entrance pupil edge with NSTA
Penetrate the lateral aberration on the imaging surface at 0.7HOI to represent with SLTA, the sagittal surface light fan of the optical imaging system is most
Short operation wavelength represented by entrance pupil edge and the lateral aberration that is incident on the imaging surface at 0.7HOI with SSTA, its
Meet following condition:PLTA≤50 micron;PSTA≤50 micron;NLTA≤50 micron;NSTA≤50 micron;SLTA≤50 are micro-
Rice;And SSTA≤50 micron.
16. optical imaging system as claimed in claim 10, it is characterised in that first lens and second lens it
Between in the distance on optical axis be IN12, and meet following equation:0<IN12/f≦60.
17. optical imaging system as claimed in claim 10, it is characterised in that the 5th lens and the 6th lens it
Between in the distance on optical axis be IN56, the 5th lens and the 6th lens are respectively TP5 and TP6 in the thickness on optical axis,
It meets following condition:0.1≦(TP6+IN56)/TP5≦50.
18. optical imaging system as claimed in claim 10, it is characterised in that first lens and second lens it
Between in the distance on optical axis be IN12, first lens and the second lens are respectively TP1 and TP2 in the thickness on optical axis,
It meets following condition:0.1≦(TP1+IN12)/TP2≦50.
19. optical imaging system as claimed in claim 10, it is characterised in that first lens, second lens, institute
At least one piece of lens in the 3rd lens, the 4th lens, the 5th lens and the 6th lens are stated for wavelength to be less than
500nm light filters out component.
20. a kind of optical imaging system, it is characterised in that included successively by thing side to image side:
One first lens, there is refracting power;
One second lens, there is refracting power;
One the 3rd lens, there is refracting power;
One the 4th lens, there is refracting power;
One the 5th lens, there is refracting power;
One the 6th lens, there is refracting power;
One imaging surface;And
One lens positioning component, wherein the lens positioning component is in hollow and can house first lens to the described 6th saturating
Any lens in mirror, and said lens is arranged on optical axis, the lens positioning component includes a thing end and one as end
Portion, the thing end are close to thing side and described close to image side and with one second opening with one first opening, the picture end
The outer wall of lens positioning component includes at least three sections, and there is at least one shaping to fill mouth trace, institute respectively in each section
State optical imaging system have refracting power lens be six pieces, and first lens into the 6th lens at least two pieces thoroughly
An at least surface for mirror has an at least point of inflexion respectively, and the focal length of the optical imaging system is f, the optical imaging system
Entrance pupil diameter be HEP, the half of the maximum visual angle of the optical imaging system is HAF, with first lens
Into the 6th lens, any surface of any lens and the intersection point of optical axis are starting point, along the profile on the surface until institute
Untill stating the coordinate points on surface at the vertical height of the entrance pupil diameter of optical axis 1/2, the contour curve of foregoing point-to-point transmission
Length is ARE, and it meets following condition:1≦f/HEP≦3;0deg<HAF≤150deg and 0.9≤2 (ARE/HEP)≤
2.0。
21. optical imaging system as claimed in claim 20, it is characterised in that the internal diameter of first opening is OD, described
The internal diameter of second opening is ID, and it meets following condition:0.1≦OD/ID≦10.
22. optical imaging system as claimed in claim 20, it is characterised in that the minimum thickness of the thing end be OT and
The minimum thickness as end is IT, and it meets following condition:1≦OT/IT≦10.
23. optical imaging system as claimed in claim 20, it is characterised in that with the thing side of the 6th lens in optical axis
On intersection point be starting point, along the surface profile until on the surface apart from the vertical of the entrance pupil diameter of optical axis 1/2
Highly untill the coordinate points at place, the contour curve length of foregoing point-to-point transmission is ARE61, with the image side surface of the 6th lens in light
Intersection point on axle is starting point, along the profile on the surface until hanging down apart from the entrance pupil diameter of optical axis 1/2 on the surface
Untill coordinate points at straight height, the contour curve length of foregoing point-to-point transmission is ARE62, and the 6th lens are in the thickness on optical axis
Spend for TP6, it meets following condition:0.05≦ARE61/TP6≦25;And 0.05≤ARE62/TP6≤25.
24. optical imaging system as claimed in claim 20, it is characterised in that with the thing side of the 5th lens in optical axis
On intersection point be starting point, along the surface profile until on the surface apart from the vertical of the entrance pupil diameter of optical axis 1/2
Highly untill the coordinate points at place, the contour curve length of foregoing point-to-point transmission is ARE51, with the image side surface of the 5th lens in light
Intersection point on axle is starting point, along the profile on the surface until hanging down apart from the entrance pupil diameter of optical axis 1/2 on the surface
Untill coordinate points at straight height, the contour curve length of foregoing point-to-point transmission is ARE52, and the 5th lens are in the thickness on optical axis
Spend for TP5, it meets following condition:0.05≦ARE51/TP5≦25;And 0.05≤ARE52/TP5≤25.
25. optical imaging system as claimed in claim 20, it is characterised in that the optical imaging system also includes a light
Circle, an imaging sensor and a drive module, described image sensor are arranged at the imaging surface, and the aperture is to institute
Imaging surface is stated in having a distance InS on optical axis, the first lens thing side to the imaging surface in have on optical axis one away from
From HOS, the drive module is coupled with each lens and each lens is produced displacement, and it meets following equation:0.2
≦InS/HOS≦1.1。
Applications Claiming Priority (2)
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TW105207034 | 2016-05-13 | ||
TW105207034U TWM545910U (en) | 2016-05-13 | 2016-05-13 | Optical image capturing system |
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CN206863320U true CN206863320U (en) | 2018-01-09 |
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CN201720507951.7U Withdrawn - After Issue CN206863320U (en) | 2016-05-13 | 2017-05-09 | Optical imaging system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107367822A (en) * | 2016-05-13 | 2017-11-21 | 先进光电科技股份有限公司 | Optical imaging system |
TWI670516B (en) * | 2018-06-13 | 2019-09-01 | 大立光電股份有限公司 | Photographing optical lens system, image capturing unit and electronic device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI679449B (en) * | 2018-12-03 | 2019-12-11 | 大立光電股份有限公司 | Optical imaging lens assembly, image capturing unit and electronic device |
-
2016
- 2016-05-13 TW TW105207034U patent/TWM545910U/en unknown
-
2017
- 2017-05-09 CN CN201720507951.7U patent/CN206863320U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107367822A (en) * | 2016-05-13 | 2017-11-21 | 先进光电科技股份有限公司 | Optical imaging system |
CN107367822B (en) * | 2016-05-13 | 2019-11-12 | 先进光电科技股份有限公司 | Optical imaging system |
TWI670516B (en) * | 2018-06-13 | 2019-09-01 | 大立光電股份有限公司 | Photographing optical lens system, image capturing unit and electronic device |
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TWM545910U (en) | 2017-07-21 |
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