CN206757158U - Optical imaging system - Google Patents
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- CN206757158U CN206757158U CN201720383758.7U CN201720383758U CN206757158U CN 206757158 U CN206757158 U CN 206757158U CN 201720383758 U CN201720383758 U CN 201720383758U CN 206757158 U CN206757158 U CN 206757158U
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Abstract
The utility model discloses an optical imaging system includes first lens, second lens, third lens and fourth lens by thing side to picture side in proper order. The first lens element with positive refractive power has a convex object-side surface. The second lens element to the third lens element have refractive power, and both surfaces of the lens elements may be aspheric. The fourth lens element with negative refractive power has a concave image-side surface, wherein both surfaces of the fourth lens element are aspheric, and at least one surface of the fourth lens element has an inflection point. The lens elements with refractive power in the optical imaging system are the first lens element to the fourth lens element. 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 SemiconduTPor 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 two or three-chip type lens arrangement more, but by
In portable equipment constantly towards lifting pixel and terminal consumer to the demand such as low-light of large aperture and night shooting function or right
The Self-timer of for example preposition camera lens of the demand of wide viewing angle.The optical system for only designing large aperture often faces the more aberrations causes of generation
Make edge imaging quality with deterioration and manufacture the situation of difficulty, and the optical system for designing wide viewing angle can then face imaging
Aberration rate (distortion) improve, existing optical imaging system can not meet the photography requirement of higher order.
Therefore, the visual angle of the light-inletting quantity and increase optical imaging system of optical imaging system how is effectively increased, is removed into one
Step improves weigh and consider in order to uphold justice design of the total pixel of imaging with that can take into account miniaturization optical imaging system outside quality simultaneously, becomes as a phase
When important subject under discussion.
Utility model content
The utility model embodiment provides a kind of optical imaging system, can utilize the refractive powers of four 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 on optical axis
Geometry describes), and then the visual angle of the light-inletting quantity and increase optical imaging system of optical imaging system is effectively improved, carry simultaneously
The total pixel and quality of height imaging, 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), the image sensing
The photosensory assembly that module includes a substrate and is arranged on the substrate；Optical imaging system includes the first lens 710, the
Two lens 720, the 3rd lens 730, the 4th lens 740, and there is an imaging surface 780.It may include a lens orientation component in addition
794, in hollow and any lens can be housed, and make these lens arrangements the lens orientation component includes a thing on optical axis
End 796 and one is as end 798, and close to thing side and with one first opening 7962, this is leaned on as end 798 for the thing end 796
Nearly image side has one second opening 7982, and the outer wall of the lens positioning component 794 includes two sections 799, these sections
799 there is a shaping to fill mouth trace 7992 respectively.The internal diameter of foregoing first opening 7962 is OD, the internal diameter of second opening 7982
For ID, it meets following condition：0.1≦OD/ID<10.The minimum thickness of the thing end 796 be OT and this as end 798
Minimum thickness 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), the image sensing
The photosensory assembly that module includes a substrate and is arranged on the substrate；Optical imaging system includes the first lens 810, the
Two lens 820, the 3rd lens 830, the 4th lens 840, and there is an imaging surface 880.It may include a lens orientation component in addition
894, in hollow and any lens can be housed, and make these lens arrangements the lens orientation component includes a thing on optical axis
End 896 and one is as end 898, and close to thing side and with one first opening 8962, this is leaned on as end 898 for the thing end 896
Nearly image side has one second opening 8982, and the outer wall of the lens positioning component 894 includes three sections 899, these sections
899 there is a shaping to fill mouth trace 8992 respectively.The internal diameter of foregoing first opening 8962 is OD, the internal diameter of second opening 8982
For ID, it meets following condition：0.1≦OD/ID<10.The minimum thickness of the thing end 896 be OT and this as end 898
Minimum thickness 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 image height of optical imaging system is represented with HOI；The height of optical imaging system is represented with HOS；Optical imagery
The first lens thing side to the distance between the 4th lens image side surface of system is represented with InTL；4th lens of optical imaging system
Image side surface to the distance between imaging surface is represented with InB；InTL+InB=HOS；The fixed aperture (aperture) of optical imaging system is extremely
Distance between imaging surface is represented with InS；Distance between the first lens and the second lens of optical imaging system represents (example with IN12
Show)；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 lens thing side maximum effectively
Radius represents that the maximum effective radius of the first lens image side surface is represented with EHD12 with EHD11.The maximum of second lens thing side
Effective radius represents that the maximum effective radius of the second lens image side surface is represented with EHD22 with EHD21.Its 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 the surfaces of the lens with it is affiliated
The intersection point of the optical axis of optical imaging system is starting point, from the starting point along the surface profile of the lens until it is maximum effectively
Untill the terminal of radius, the curve arc long of foregoing point-to-point transmission is the contour curve length of maximum effective radius, and is represented with ARS.
Such as first the contour curve length of maximum effective radius of lens thing side represent that the first lens image side surface is most with ARS11
The contour curve length of big effective radius is represented with ARS12.The contour curve length of the maximum effective radius of second lens thing side
Degree represents that the contour curve length of the maximum effective radius of the second lens image side surface is represented with ARS22 with ARS21.Optical imagery
The contour curve length representation of the maximum effective radius of any surface of remaining lens is by that analogy in system.
The contour curve length of 1/2 entrance pupil diameter (HEP) of any surface of single lens, refer to the table of the lens
Face and the intersection point of the optical axis of affiliated optical imaging system are starting point, until should from the starting point along the surface profile of the lens
On surface untill the coordinate points of the vertical height of the entrance pupil diameter of optical axis 1/2, the curve arc long of foregoing point-to-point transmission is 1/2
The contour curve length of entrance pupil diameter (HEP), and represented with ARE.Such as first lens thing side 1/2 entrance pupil it is straight
The contour curve length in footpath (HEP) represents that the profile of 1/2 entrance pupil diameter (HEP) of the first lens image side surface is bent with ARE11
Line length is represented with ARE12.The contour curve length of 1/2 entrance pupil diameter (HEP) of second lens thing side is with ARE21 tables
Show, the contour curve length of 1/2 entrance pupil diameter (HEP) of the second lens image side surface is represented with ARE22.Optical imaging system
In remaining lens any surface 1/2 entrance pupil diameter (HEP) contour curve length representation by that analogy.
The parameter relevant with lens face shape deflection depth
4th lens thing side is in the maximum effective radius position of the intersection point on optical axis to the 4th lens thing side in optical axis
Horizontal displacement distance represented (illustration) with InRS41；4th lens image side surface is in the intersection point on optical axis to the 4th lens image side surface
Maximum effective radius position represented (illustration) with InRS42 in the horizontal displacement distance of optical axis.
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 C31 of the 3rd lens thing side and optical axis is HVT31 (illustration), the 3rd lens picture
The critical point C32 of side and the vertical range of optical axis are HVT32 (illustration), the critical point C41 and optical axis of the 4th lens thing side
Vertical range be HVT41 (illustration), the critical point C42 of the 4th lens image side surface and the vertical range of optical axis are HVT42 (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 4th lens thing side closest to optical axis is IF411, this sinkage SGI411 (illustration),
SGI411 namely the 4th lens thing sides are in the intersection point on optical axis between the point of inflexion of the 4th nearest optical axis in lens thing side
The horizontal displacement distance parallel with optical axis, the vertical range between the IF411 points and optical axis are HIF411 (illustration).4th lens picture
The point of inflexion on side closest to optical axis is IF421, this sinkage SGI421 (illustration), SGI411 namely the 4th lens picture
Side in the intersection point on optical axis to horizontal displacement parallel with optical axis between the point of inflexion of the 4th nearest optical axis of lens image side surface away from
From the vertical range between the IF421 points and optical axis is HIF421 (illustration).
On 4th lens thing side second close to the point of inflexion of optical axis be IF412, this sinkage SGI412 (illustration),
SGI412 namely the 4th lens thing sides are in the point of inflexion of the intersection point on optical axis to the 4th lens thing side second close to optical axis
Between the horizontal displacement distance parallel with optical axis, the vertical range between the IF412 points and optical axis is HIF412 (illustration).4th is saturating
On mirror image side second close to the point of inflexion of optical axis be IF422, this sinkage SGI422 (illustration), SGI422 the namely the 4th
Lens image side surface is in the intersection point on optical axis to the 4th lens image side surface second close to parallel with optical axis between the point of inflexion of optical axis
Horizontal displacement distance, the vertical range between the IF422 points and optical axis are HIF422 (illustration).
On 4th lens thing side the 3rd close to the point of inflexion of optical axis be IF413, this sinkage SGI413 (illustration),
SGI413 namely the 4th lens thing sides are in the point of inflexion of the intersection point on optical axis to the 4th lens thing side the 3rd close to optical axis
Between the horizontal displacement distance parallel with optical axis, the vertical range between the IF4132 points and optical axis is HIF413 (illustration).4th
On lens image side surface the 3rd close to the point of inflexion of optical axis be IF423, this sinkage SGI423 (illustration), SGI423 namely
Four lens image side surfaces are in the intersection point on optical axis to the 4th lens image side surface the 3rd close to parallel with optical axis between the point of inflexion of optical axis
Horizontal displacement distance, the vertical range between the IF423 points and optical axis is HIF423 (illustration).
On 4th lens thing side the 4th close to the point of inflexion of optical axis be IF414, this sinkage SGI414 (illustration),
SGI414 namely the 4th lens thing sides are in the point of inflexion of the intersection point on optical axis to the 4th lens thing side the 4th close to optical axis
Between the horizontal displacement distance parallel with optical axis, the vertical range between the IF414 points and optical axis is HIF414 (illustration).4th is saturating
On mirror image side the 4th close to the point of inflexion of optical axis be IF424, this sinkage SGI424 (illustration), SGI424 the namely the 4th
Lens image side surface is in the intersection point on optical axis to the 4th lens image side surface the 4th close to parallel with optical axis between the point of inflexion of optical axis
Horizontal displacement distance, the vertical range between the IF424 points and optical axis are HIF424 (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 650nm) 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, it is with reference wavelength chief ray (such as wavelength is 555nm) 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
The image space of the specific visual field on imaging surface is penetrated, its image space two with reference wavelength chief ray visual field 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 0.7HOI on the imaging surface
The lateral aberration at place represents that the most short operation wavelength of visible ray of its positive meridian plane light fan passes through the entrance pupil edge with PLTA
And the lateral aberration being incident on the imaging surface at 0.7HOI is represented with PSTA, the most long work of visible ray of negative sense meridian plane light fan
Wavelength represented by the entrance pupil edge and the lateral aberration that is incident on the imaging surface at 0.7HOI with NLTA, negative sense meridian
The most short operation wavelength of visible ray of face light fan by the 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 visible ray of sagittal surface light fan by the entrance pupil edge and is incident on the imaging with NSTA
Lateral aberration on face at 0.7HOI represents that the most short operation wavelength of visible ray of sagittal surface light fan passes through the entrance pupil with SLTA
The edge and lateral aberration 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 4th lens or image side surface are provided with contrary flexure
Point, the angle that each visual field is incident in the 4th lens can be effectively adjusted, and be corrected for optical distortion and TV distortion.In addition,
The surface of 4th 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, one first lens are included by thing side to image side successively, is had
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
Imaging surface；And a lens positioning component, wherein the lens positioning component is in hollow and can house any of the above-described lens, and make
Said lens are arranged on optical axis, and the lens positioning component includes a thing end and one as end, the thing end are close
Thing side and with one first opening, it is described as end close to image side and with one second opening, the lens positioning component it is outer
Wall includes at least two sections, and there is at least one shaping to fill mouth trace respectively in above-mentioned section, wherein the optical imaging system
Lens with refracting power are four pieces, and first lens at least one piece of lens into the 4th lens have positive refracting power,
The focal length of first lens to the 4th lens is respectively f1, f2, f3, f4, and the focal length of the optical imaging system is f,
The entrance pupil diameter of the optical imaging system is HEP, and the first lens thing side to the imaging surface on optical axis in having
There is a distance HOS, the first lens thing side to the 4th lens image side surface is described in having a distance InTL on optical axis
The half of the maximum visual angle of optical imaging system is HAF, with any surface of any lens in said lens and optical axis
Intersection point is 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 the coordinate points at place, the contour curve length of foregoing 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.
Preferably, the outer wall of the lens positioning component includes at least three sections, and above-mentioned section has extremely respectively
A few shaping fills mouth trace.
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, positive meridian
The most short 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
PSTA represents that the most long operation wavelength of negative sense meridian plane light fan by entrance pupil edge and is incident on the imaging surface
Lateral aberration at 0.7HOI represents that the most short operation wavelength of negative sense meridian plane light fan is incorporated to by entrance pupil edge with NLTA
Penetrate the lateral aberration on the imaging surface at 0.7HOI to represent with NSTA, the most long operation wavelength of sagittal surface light fan passes through incidence
The pupil rim and lateral aberration being incident on the imaging surface at 0.7HOI is represented with SLTA, the most casual labourer of sagittal surface light fan make
Wavelength is represented by entrance pupil edge and the lateral aberration that is incident on the imaging surface at 0.7HOI with SSTA, under it meets
Row 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 4th 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 ARE41, using the image side surface of the 4th 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 ARE42, and the 4th lens are TP4 in the thickness on optical axis, and it meets following condition：0.05≦ARE41/
TP4≦25；And 0.05≤ARE42/TP4≤25.
Preferably, using the thing side of the 3rd 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 ARE31, using the image side surface of the 3rd 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 ARE32, and the 3rd lens are TP3 in the thickness on optical axis, and it meets following condition：0.05≦
ARE31/TP3≦25；And 0.05≤ARE32/TP3≤25.
Preferably, in addition to an aperture, and the aperture to the imaging surface in having a distance InS on optical axis, its
Meet following equation：0.2≦InS/HOS≦1.1.
A kind of optical imaging system is separately provided according to the utility model, one first lens are included by thing side to image side successively,
With 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 imaging surface；And a lens positioning component, wherein the lens positioning component is in hollow and can house any of the above-described lens, and
Said lens are made to be arranged on optical axis, the lens positioning component includes a thing end and one as end, and the thing end is leaned on
Nearly thing side and with one first opening, it is described that there is one second opening close to image side as end, the lens positioning component it is outer
Wall includes at least two sections, and there is at least one shaping to fill mouth trace respectively in above-mentioned section, and the optical imaging system has
The lens of refracting power are a respective at least table for four pieces and first lens at least one piece lens into the 4th lens
Face has an at least point of inflexion, and second lens at least one piece of lens into the 4th lens have positive refracting power, described
The focal length of first lens to the 4th lens is respectively f1, f2, f3, f4, and the focal length of the optical imaging system is f, described
The entrance pupil diameter of optical imaging system is HEP, and the first lens thing side to the imaging surface is in having one on optical axis
Distance HOS, the first lens thing side to the 4th lens image side surface is in having a distance InTL, the optics on optical axis
The half of the maximum visual angle of imaging system is HAF, with the intersection point of any surface of any lens and optical axis in said lens
For starting point, along the surface profile until on the surface at the vertical height of the entrance pupil diameter of optical axis 1/2
Untill coordinate points, the contour curve length of foregoing 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.
Preferably, the outer wall of the lens positioning component includes at least three sections, and above-mentioned section has extremely respectively
A few shaping fills mouth trace.
Preferably, the maximum effective radius of any surface of any lens is represented with EHD in said lens, with said lens
In any surface of any lens and the intersection point of optical axis be starting point, have along the profile on the surface until the maximum on the surface
It is terminal to imitate at radius, and the contour curve length of foregoing point-to-point transmission is ARS, and it meets following equation：0.9≦ARS/EHD≦
2.0。
Preferably, the optical imaging system is described in having an image height HOI perpendicular to optical axis on the imaging surface
The most long operation wavelength of the positive meridian plane light fan of optical imaging system by entrance pupil edge and is incident on the imaging surface
Lateral aberration at upper 0.7HOI represents with PLTA, the most short operation wavelength of positive meridian plane light fan by entrance pupil edge simultaneously
It is incident on the lateral aberration on the imaging surface at 0.7HOI to represent with PSTA, the most long operation wavelength of negative sense meridian plane light fan is led to
The lateral aberration crossed entrance pupil edge and be incident on the imaging surface at 0.7HOI represents that negative sense meridian plane light is fanned with NLTA
Most short operation wavelength by entrance pupil edge and be incident on the lateral aberration on the imaging surface at 0.7HOI with NSTA tables
Show, the most long operation wavelength of sagittal surface light fan by entrance pupil edge and is incident on the transverse direction on the imaging surface at 0.7HOI
Aberration represents that the most short operation wavelength of sagittal surface light fan by entrance pupil edge and is incident on the imaging surface with SLTA
Lateral aberration at 0.7HOI represents that it meets following condition with SSTA：PLTA≤50 micron；PSTA≤50 micron；NLTA≦
50 microns；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 IN34 in the distance on optical axis between the 3rd lens and the 4th lens, the described 3rd is saturating
Mirror and the 4th lens are respectively TP3 and TP4 in the thickness on optical axis, and it meets following condition：1≦(TP4+IN34)/TP3≦
10。
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：1≦(TP1+IN12)/TP2≦
10。
Preferably, at least one piece in first lens, second lens, the 3rd lens and the 4th lens
Lens are that light of the wavelength less than 500nm filters out component.
A kind of optical imaging system is provided again according to the utility model, and one first lens are included by thing side to image side successively,
With 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 imaging surface；And a lens positioning component, wherein the lens positioning component is in hollow and can house any of the above-described lens, and
Said lens are made to be arranged on optical axis, the lens positioning component includes a thing end and one as end, and the thing end is leaned on
Nearly thing side and with one first opening, it is described that there is one second opening close to image side as end, the lens positioning component it is outer
Wall includes at least three sections, and there is at least one shaping to fill mouth trace respectively in above-mentioned section, and the optical imaging system has
The lens of refracting power are four pieces, and the focal lengths of first lens to the 4th lens is respectively f1, f2, f3, f4, the optics
The focal length of imaging system is f, and the entrance pupil diameter of the optical imaging system is HEP, the first lens thing side to institute
Imaging surface is stated in having a distance HOS on optical axis, the first lens thing side to the 4th lens image side surface is on optical axis
With a distance InTL, the half of the maximum visual angle of the optical imaging system is HAF, with any lens in said lens
Any surface and the intersection point of optical axis be starting point, along the profile on the surface until incident apart from optical axis 1/2 on the surface
Untill coordinate points at the vertical height of pupil diameter, the contour curve length of foregoing point-to-point transmission is ARE, and it meets following bar
Part：1≦f/HEP≦10；0deg<HAF≤150deg and 0.9≤2 (ARE/HEP)≤2.0.
Preferably, using the thing side of the 4th 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 ARE41, using the image side surface of the 4th 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 ARE42, and the 4th lens are TP4 in the thickness on optical axis, and it meets following condition：0.05≦ARE41/
TP4≦25；And 0.05≤ARE42/TP4≤25.
Preferably, using the thing side of the 3rd 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 ARE31, using the image side surface of the 3rd 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 ARE32, and the 3rd lens are TP3 in the thickness on optical axis, and it meets following condition：0.05≦
ARE31/TP3≦25；And 0.05≤ARE32/TP3≤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 has a distance InS, the drive module with
Each lens are coupled and each lens is produced displacement, and it meets following equation：0.2≦InS/HOS≦1.1.
Contour curve effect length surface amendment picture of any surface of single lens in the range of maximum effective radius
The ability of optical path difference between poor and each field rays, the more long capability improving for then correcting aberration of contour curve length, but simultaneously
Also the degree of difficulty on manufacturing can be increased, it is therefore necessary to control any surface of single lens in the range of maximum effective radius
Contour curve length, particularly control contour curve length (ARS) in the range of the maximum effective radius on the surface and the table
Proportionate relationship (ARS/TP) of the lens between the thickness (TP) on optical axis belonging to face.Such as first lens thing side maximum
The contour curve length of effective radius represents that the first lens are TP1 in the thickness on optical axis with ARS11, and ratio between the two is
ARS11/TP1, the contour curve length of the maximum effective radius of the first lens image side surface represents with ARS12, its ratio between TP1
It is worth for ARS12/TP1.The contour curve length of the maximum effective radius of second lens thing side represents with ARS21, the second lens
It is TP2 in the thickness on optical axis, ratio between the two is ARS21/TP2, the wheel of the maximum effective radius of the second lens image side surface
Wide length of curve represents that its ratio between TP2 is ARS22/TP2 with ARS22.Any of remaining lens in optical imaging system
Ratio of the lens between the thickness (TP) on optical axis belonging to the contour curve length of the maximum effective radius on surface and the surface
Example relation, 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
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 is influenceed, profile is bent
The more long capability improving for then correcting aberration of line length, but can also increase the degree of difficulty on manufacturing simultaneously, it is therefore necessary to control
Contour curve length of any surface of single lens processed in 1/2 entrance pupil diameter (HEP) altitude range, is particularly controlled
Contour curve length (ARE) in 1/2 entrance pupil diameter (HEP) altitude range on the surface and the lens belonging to the surface
Proportionate relationship (ARE/TP) between the thickness (TP) on optical axis.Such as first lens thing side 1/2 entrance pupil diameter
(HEP) the contour curve length of height is represented with ARE11, and the first lens are TP1 in the thickness on optical axis, and ratio between the two is
ARE11/TP1, the contour curve length of 1/2 entrance pupil diameter (HEP) height of the first lens image side surface represents with ARE12,
Its ratio between TP1 is ARE12/TP1.The contour curve of 1/2 entrance pupil diameter (HEP) height of the second lens thing side
Length represents that the second lens are TP2 in the thickness on optical axis with ARE21, and ratio between the two is ARE21/TP2, the second lens
The contour curve length of 1/2 entrance pupil diameter (HEP) height of image side surface represents that its ratio between TP2 is with ARE22
ARE22/TP2.The profile of 1/2 entrance pupil diameter (HEP) height of any surface of remaining lens is bent in optical imaging system
Proportionate relationship of the lens between the thickness (TP) on optical axis belonging to line length and the surface, its representation is by that analogy.
Aforementioned optical imaging system can be used to collocation and be imaged on catercorner length as the image biography below 1/1.2 inch of size
Sensor, the size of the imaging sensor is preferably 1/2.3 inch, and the Pixel Dimensions of the imaging sensor are less than 1.4 microns of (μ
M), it is preferable that its Pixel Dimensions is less than 1.12 microns (μm), and most preferably its Pixel Dimensions is less than 0.9 micron (μm).In addition, should
Optical imaging system is applicable to length-width ratio as 16：9 imaging sensor.
Aforementioned optical imaging system be applicable to it is more than million or ten million pixel camera requirement (such as 4K, 2K or
UHD, QHD) and possess good image quality.
As │ f1 │>During f4, the system total height (HOS of optical imaging system；Height of Optic System) can be with
It is appropriate to shorten to reach the purpose of miniaturization.
As │ f2 │+│ f3 │>During │ f1 │+│ f4 │, by the second lens into the 3rd lens at least one piece of lens have it is weak
Positive refracting power or weak negative refracting power.Alleged weak refracting power, refer to that the absolute value of the focal length of certain lenses is more than 10.When this practicality
Into the 3rd lens, at least one piece of lens has weak positive refracting power to new second lens, and it can effectively share the first lens just
Refracting power and avoid unnecessary aberration from occurring too early, if otherwise the second lens at least one piece of lens into the 3rd lens have it is weak
Negative refracting power, then can finely tune the aberration of correction system.
4th lens can have negative refracting power, and 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 4th lens can have an at least point of inflexion, it can effectively suppress off-axis field rays and enter
The angle penetrated, 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 and sagittal surface light fan of the utility model first 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. 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 of the utility model 3rd embodiment optical imaging system
Fan, 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
The second opening towards the first opening of thing end, the outer wall of the lens positioning component has two sections, these sections
There is a shaping to fill mouth trace respectively；
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, these sections；
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
Infrared filter：170、270、370、470、570、670
Imaging surface：180、280、380、480、580、680、780、880
Imaging sensor：190、290、390、490、590、690
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 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 4th lens：NA2、NA3、NA4
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
First lens are in the thickness on optical axis：TP1
Second lens to the 4th lens are in the thickness on optical axis：TP2、TP3、TP4
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 thing side is in the maximum effective radius position of the intersection point on optical axis to the 4th lens thing side in optical axis
Horizontal displacement distance：InRS41
Closest to the point of inflexion of optical axis on 4th lens thing side：IF411；The sinkage：SGI411
Closest to the vertical range between the point of inflexion of optical axis and optical axis on 4th lens thing side：HIF411
Closest to the point of inflexion of optical axis on 4th lens image side surface：IF421；The sinkage：SGI421
Closest to the vertical range between the point of inflexion of optical axis and optical axis on 4th lens image side surface：HIF421
On 4th lens thing side second close to optical axis the point of inflexion：IF412；The sinkage：SGI412
4th lens thing side second is close to the vertical range between the point of inflexion of optical axis and optical axis：HIF412
On 4th lens image side surface second close to optical axis the point of inflexion：IF422；The sinkage：SGI422
4th lens image side surface second is close to the vertical range between the point of inflexion of optical axis and optical axis：HIF422
On 4th lens thing side the 3rd close to optical axis the point of inflexion：IF413；The sinkage：SGI413
4th lens thing side the 3rd is close to the vertical range between the point of inflexion of optical axis and optical axis：HIF413
On 4th lens image side surface the 3rd close to optical axis the point of inflexion：IF423；The sinkage：SGI423
4th lens image side surface the 3rd is close to the vertical range between the point of inflexion of optical axis and optical axis：HIF423
On 4th lens thing side the 4th close to optical axis the point of inflexion：IF414；The sinkage：SGI414
4th lens thing side the 4th is close to the vertical range between the point of inflexion of optical axis and optical axis：HIF414
On 4th lens image side surface the 4th close to optical axis the point of inflexion：IF424；The sinkage：SGI424
4th lens image side surface the 4th is close to the vertical range between the point of inflexion of optical axis and optical axis：HIF424
The critical point of 4th lens thing side：C41；The critical point of 4th lens image side surface：C42
The critical point of 4th lens thing side and the horizontal displacement distance of optical axis：SGC41
The critical point of 4th lens image side surface and the horizontal displacement distance of optical axis：SGC42
The critical point of 4th lens thing side and the vertical range of optical axis：HVT41
The critical point of 4th lens image side surface and the vertical range of optical axis：HVT42
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 4th lens image side surface：InTL
4th 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 (TVDistortion)：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 and the 4th lens.Optical imaging system may also include an imaging sensor, and 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 is the reference wavelength that main reference wavelength is main extractive technique feature.Optical imaging system can also be used five
Operation wavelength is designed, respectively 470nm, 510nm, 555nm, 610nm, 650nm, and wherein 555nm is that main reference wavelength is
The reference wavelength of 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, optics
The focal length f of imaging system and the focal length fn per a piece of lens with negative refracting power ratio are NPR, all positive refracting powers of tool
The PPR summations of lens are Σ PPR, and the NPR summations of the lens of all negative refracting powers of tool are Σ NPR, are had when meeting following condition
Help control the total refracting power and total length of optical imaging system：0.5≤Σ PPR/ │ Σ NPR │≤4.5, it is preferable that can expire
Foot row condition：1≦ΣPPR/│ΣNPR│≦3.5.
The system altitude of optical imaging system is HOS, when HOS/f ratios level off to 1 when, be beneficial to make miniaturization and
The optical imaging system of very-high solution can be imaged.
The focal length fp of every a piece of lens with positive refracting power of optical imaging system summation is Σ PP, is had per a piece of
The focal length summation of the lens of negative refracting power is Σ NP, and a kind of embodiment of optical imaging system of the present utility model, it meets
Following condition：0<ΣPP≦200；And f1/ Σ PP≤0.85.Preferably, following condition can be met：0<ΣPP≦150；And
0.01≦f1/ΣPP≦0.7.Thereby, the focusing power of control optical imaging system is contributed to, and appropriate distribution system is just
Refracting power is produced too early with suppressing significant aberration.
First lens can have positive refracting power, and its thing side can be convex surface.Thereby, just bending for the first lens can suitably be adjusted
Force intensity is rolled over, helps to shorten the total length of optical imaging system.
Second lens can have negative refracting power.Thereby, aberration caused by the lens of recoverable first.
3rd lens can have positive refracting power.Thereby, the positive refracting power of the first lens can be shared.
4th lens can have negative refracting power, and 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 4th lens can have an at least point of inflexion, it can effectively suppress off-axis field rays and enter
The angle penetrated, further can modified off-axis visual field aberration.Preferably, its thing side and image side surface are respectively provided with an at least contrary flexure
Point.
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≦3；And 0.5≤HOS/f≤3.0.It is excellent
Selection of land, following condition can be met：1≦HOS/HOI≦2.5；And 1≤HOS/f≤2.Thereby, optical imaging system can be maintained
Miniaturization, 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.Preferably, following condition can be met：0.8≤InS/HOS≤1 thereby, can take into account dimension simultaneously
Hold the miniaturization of optical imaging system and possess the characteristic of wide-angle.
In optical imaging system of the present utility model, the first lens thing side to the distance between the 4th lens image side surface is
InTL, in the thickness summation Σ TP of the lens of all tool refracting powers on optical axis, it meets following condition：0.45≦ΣTP/InTL
≦0.95.Preferably, following condition can be met：0.6≦ΣTP/InTL≦0.9.Thereby, when system imaging can be taken into account simultaneously
Contrast and the yield of lens manufacture simultaneously provide appropriate back focal length to house 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：0.01≦│R1/R2│≦0.5.Thereby, the first lens possesses appropriate positive flexion force intensity, avoids spherical aberration increase from overrunning.
Preferably, following condition can be met：0.01≦│R1/R2│≦0.4.
The radius of curvature of 4th lens thing side is R7, and the radius of curvature of the 4th lens image side surface is R8, and it meets following
Condition：-200<(R7-R8)/(R7+R8)<30.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.Preferably, following condition can be met：0.01≦IN12/f≦0.20.Thereby, the aberration for contributing to improve lens is to lift it
Performance.
Second lens and the 3rd lens are IN23 in the spacing distance on optical axis, and it meets following condition：0<IN23/f≦
0.25.Preferably, following condition can be met：0.01≦IN23/f≦0.20.Thereby, the performance of improvement lens is contributed to.
3rd lens and the 4th lens are IN34 in the spacing distance on optical axis, and it meets following condition：0<IN34/f≦
0.25.Preferably, following condition can be met：0.001≦IN34/f≦0.20.Thereby, the performance of improvement lens is contributed to.
First lens and the second lens are respectively TP1 and TP2 in the thickness on optical axis, and it meets following condition：1≦
(TP1+IN12)/TP2≦10.Thereby, contribute to control the susceptibility of optical imaging system manufacture and lift its performance.
3rd lens and the 4th lens are respectively TP3 and TP4 in the thickness on optical axis, and foregoing two lens are on optical axis
Spacing distance is IN34, and it meets following condition：1≦(TP4+IN34)/TP3≦10.Thereby, contribute to control optical imagery system
Susceptibility that controlling is made simultaneously reduces system total height.
Second lens and the 3rd lens are IN23 in the spacing distance on optical axis, and the first lens to the 4th lens are on optical axis
Summation distance be Σ TP, it meets following condition：0.01≦IN23/(TP2+IN23+TP3)≦0.5.Preferably, can meet
Following condition：0.05≦IN23/(TP2+IN23+TP3)≦0.4.Thereby help and correct incident light traveling process institute a little layer by layer
Caused aberration simultaneously reduces system total height.
In optical imaging system of the present utility model, the 4th lens thing side 142 is in the intersection point on optical axis to the 4th lens
The maximum effective radius position of thing side 142 in optical axis horizontal displacement distance for InRS41 (if horizontal displacement towards image side,
InRS41 be on the occasion of；If horizontal displacement, towards thing side, InRS41 is negative value), the 4th lens image side surface 144 is in the intersection point on optical axis
In the horizontal displacement distance of optical axis it is InRS42 to the maximum effective radius position of the 4th lens image side surface 144, the 4th lens 140
It is TP4 in the thickness on optical axis, it meets following condition：-1mm≦InRS41≦1mm；-1mm≦InRS42≦1mm；1mm≦│
InRS41│+│InRS42│≦2mm；0.01≦│InRS41│/TP4≦10；0.01≦│InRS42│/TP4≦10.Thereby, it is controllable
Make maximum effective radius position between the 4th lens two sides, and contribute to the peripheral field of optical imaging system lens error correction and
Effectively maintain its miniaturization.
In optical imaging system of the present utility model, the 4th lens thing side is in the intersection point on optical axis to the 4th lens thing side
The horizontal displacement distance parallel with optical axis represents that the 4th lens image side surface is in light with SGI411 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 4th nearest optical axis of lens image side surface with
SGI421 represents that it meets following condition：0<SGI411/(SGI411+TP4)≦0.9；0<SGI421/(SGI421+TP4)≦
0.9.Preferably, following condition can be met：0.01<SGI411/(SGI411+TP4)≦0.7；0.01<SGI421/(SGI421+
TP4)≦0.7。
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 bar with SGI422 close to horizontal displacement distance parallel with optical axis between the point of inflexion of optical axis
Part：0<SGI412/(SGI412+TP4)≦0.9；0<SGI422/(SGI422+TP4)≦0.9.Preferably, following bar can be met
Part：0.1≦SGI412/(SGI412+TP4)≦0.8；0.1≦SGI422/(SGI422+TP4)≦0.8.
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
Image side surface in the intersection point on optical axis to the vertical range between the point of inflexion of the 4th nearest optical axis of lens image side surface and optical axis with
HIF421 represents that it meets following condition：0.01≦HIF411/HOI≦0.9；0.01≦HIF421/HOI≦0.9.Preferably,
Following condition can be met：0.09≦HIF411/HOI≦0.5；0.09≦HIF421/HOI≦0.5.
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 in the point of inflexion of the intersection point on optical axis to the 4th lens image side surface second close to optical axis it is vertical between optical axis away from
Represented from HIF422, it meets following condition：0.01≦HIF412/HOI≦0.9；0.01≦HIF422/HOI≦0.9.It is excellent
Selection of land, following condition can be met：0.09≦HIF412/HOI≦0.8；0.09≦HIF422/HOI≦0.8.
4th lens thing side the 3rd represents close to the vertical range between the point of inflexion of optical axis and optical axis with HIF413, the 4th
Lens image side surface in the intersection point on optical axis to the 4th lens image side surface the 3rd close to optical axis the point of inflexion it is vertical between optical axis away from
Represented from HIF423, it meets following condition：0.001mm≦│HIF413│≦5mm；0.001mm≦│HIF423│≦5mm.
Preferably, following condition can be met：0.1mm≦│HIF423│≦3.5mm；0.1mm≦│HIF413│≦3.5mm.
4th lens thing side the 4th represents close to the vertical range between the point of inflexion of optical axis and optical axis with HIF414, the 4th
Lens image side surface in the intersection point on optical axis to the 4th lens image side surface the 4th close to optical axis the point of inflexion it is vertical between optical axis away from
Represented from HIF424, it meets following condition：0.001mm≦│HIF414│≦5mm；0.001mm≦│HIF424│≦5mm.
Preferably, following condition can be met：0.1mm≦│HIF424│≦3.5mm；0.1mm≦│HIF414│≦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 4th 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 it is convex surface if lens surface, then it represents that lens surface in optical imaging system provided by the utility model
It is convex surface at dipped beam axle；It is concave surface if lens surface, then it represents that lens surface is concave surface at dipped beam axle.
In addition, in optical imaging system of the present utility model, an at least diaphragm can be set on demand, to reduce veiling glare,
Help to lift picture quality.
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 saturating with these
Mirror is coupled and these lens is produced displacement.Foregoing drive module can be that voice coil motor (VCM) is used to drive camera lens to carry out
Focusing, or be optical anti-vibration element (OIS) occurrence frequency out of focus caused by camera lens vibrates for reducing shooting process.
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, and it can pass through the lens of the specific tool filtering function
Plated film at least on a surface or the lens in itself i.e. as tool can filter out the material of short wavelength made by 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 be one
Body formed, in addition to the accommodating lens of the present utility model with positioning, the outer wall of plastic lens positioning component also includes at least two
Individual shaping fills mouth trace, and these shapings, which fill mouth trace, can be surrounded on the setting of an axle center (such as optical axis) symmetric mode on demand, can produce
Raw more uniform thickness configuration, and lift structure intensity.If there are the outer wall of plastic lens positioning component two shapings to fill mouth trace,
Angle can be 180 degree between then shaping fills mouth trace.If there are the outer wall of plastic lens positioning component three shapings to fill mouth trace, into
Angle can be 120 degree between type fills mouth trace.Foregoing shaping fills mouth trace and can be arranged at the outer wall of thing end on demand or be arranged at
As the outer wall of 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 aperture 100, the first lens 110, the second lens 120, the 3rd lens 130, the 4th lens 140,
Infrared filter 170, imaging surface 180 and imaging sensor 190.
First lens 110 have positive refracting power, and are plastic material, and its thing side 112 is convex surface, and its image side surface 114 is
Concave surface, and be all aspherical, and its thing side 112 and image side surface 114 are respectively provided with a point of inflexion.First 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 first lens image side surface is grown with ARS11
Degree is represented with ARS12.The contour curve length of 1/2 entrance pupil diameter (HEP) of first lens thing side represents with ARE11,
The contour curve length of 1/2 entrance pupil diameter (HEP) of first lens image side surface is represented with ARE12.First lens are in optical axis
On thickness be TP1.
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=0.2008mm；SGI121=0.0113mm；│ SGI111 │/(│ SGI111 │+TP1)=0.3018；│SGI121│/(│
SGI121 │+TP1)=0.0238.
First lens thing side is in the intersection point on optical axis between the point of inflexion of the first nearest optical axis in lens thing side and optical axis
Vertical range represent that the first lens image side surface is in the intersection point on optical axis to the first nearest optical axis of lens image side surface with HIF111
Vertical range between the point of inflexion and optical axis represents that it meets following condition with HIF121：HIF111=0.7488mm；HIF121=
0.4451mm；HIF111/HOI=0.2552；HIF121/HOI=0.1517.
Second lens 120 have positive refracting power, and are plastic material, and its thing side 122 is concave 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.
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=-0.1791mm；│ SGI211 │/(│ SGI211 │+TP2)=0.3109.
Second lens thing side is in the intersection point on optical axis between the point of inflexion of the second nearest optical axis in lens thing side and optical axis
Vertical range represent that the second lens image side surface is in the intersection point on optical axis to the second nearest optical axis of lens image side surface with HIF211
Vertical range between the point of inflexion and optical axis represents that it meets following condition with HIF221：HIF211=0.8147mm；HIF211/
HOI=0.2777.
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 image side surface 134 has a point of inflexion.The wheel of the maximum effective radius of 3rd lens thing side
Wide length of curve represents that the contour curve length of the maximum effective radius of the 3rd lens image side surface is represented with ARS32 with ARS31.
The contour curve length of 1/2 entrance pupil diameter (HEP) of 3rd lens thing side represents with ARE31, the 3rd lens image side surface
The contour curve length of 1/2 entrance pupil diameter (HEP) represented with ARE32.3rd lens are TP3 in the thickness on optical axis.
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：
SGI321=-0.1647mm；│ SGI321 │/(│ SGI321 │+TP3)=0.1884.
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
Image side surface in the intersection point on optical axis to the vertical range between the point of inflexion of the 3rd nearest optical axis of lens image side surface and optical axis with
HIF321 represents that it meets following condition：HIF321=0.7269mm；HIF321/HOI=0.2477.
4th lens 140 have negative 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 lens
The contour curve length of the maximum effective radius of thing side represents with ARS41, the maximum effective radius of the 4th lens image side surface
Contour curve length is represented with ARS42.The contour curve length of 1/2 entrance pupil diameter (HEP) of 4th lens thing side with
ARE41 represents that the contour curve length of 1/2 entrance pupil diameter (HEP) of the 4th lens image side surface is represented with ARE42.4th
Lens are TP4 in the thickness on optical axis.
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=0.0137mm；SGI421=0.0922mm；│ SGI411 │/(│ SGI411 │+TP4)=0.0155；│SGI421│/(│
SGI421 │+TP4)=0.0956.
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 it meets following condition with SGI412：SGI412=-0.1518mm；│SGI412
│/(│ SGI412 │+TP4)=0.1482.
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 HIF411：HIF411=
0.2890mm；HIF421=0.5794mm；HIF411/HOI=0.0985；HIF421/HOI=0.1975.
Vertical range between the point of inflexion and optical axis of 4th lens thing side the second dipped beam axle represents that it meets with HIF412
Following condition：HIF412=1.3328mm；HIF412/HOI=0.4543.
Infrared filter 170 is glass material, and it is arranged between the 4th lens 140 and imaging surface 180 and does not influence light
Learn the focal length of imaging system.
In the optical imaging system of first embodiment, the focal length of optical imaging system is f, the incident light of optical imaging system
The a diameter of HEP of pupil, the half at maximum visual angle is HAF in optical imaging system, and its numerical value is as follows：F=3.4375mm；F/HEP=
2.23；And HAF=39.69 degree and tan (HAF)=0.8299.
In the optical imaging system of first embodiment, the focal length of the first lens 110 is f1, and the focal length of the 4th lens 140 is
F4, it meets following condition：F1=3.2736mm；│ f/f1 │=1.0501；F4=-8.3381mm；And │ f1/f4 │=
0.3926。
In the optical imaging system of first embodiment, the focal lengths of the lens 130 of the second lens 120 to the 3rd is respectively f2, f3,
It meets following condition：│ f2 │+│ f3 │=10.0976mm；│ f1 │+│ f4 │=11.6116mm and │ f2 │+│ f3 │<│f1│+│
f4│。
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, optics
The focal length f of the imaging system and focal length fn per a piece of lens with negative refracting power ratio is NPR, the optics of first embodiment
In imaging system, the PPR summations of the lens of all positive refracting powers of tool are Σ PPR=│ f/f1 │+│ f/f2 │=1.95585, are owned
The NPR summations of the lens of the negative refracting power of tool for Σ NPR=│ f/f3 │+│ f/f4 │=0.95770, Σ PPR/ │ Σ NPR │=
2.04224.Also meet following condition simultaneously：│ f/f1 │=1.05009；│ f/f2 │=0.90576；│ f/f3 │=0.54543；│
F/f4 │=0.41227.
In the optical imaging system of first embodiment, between the lens image side surface 144 of the first lens thing side 112 to the 4th away from
From for InTL, the first lens thing side 112 to the distance between imaging surface 180 is HOS, aperture 100 to the distance between imaging surface 180
For InS, the half of the effective sensing region diagonal line length of imaging sensor 190 is HOI, the 4th lens image side surface 144 to imaging surface
Distance between 180 is InB, and it meets following condition：InTL+InB=HOS；HOS=4.4250mm；HOI=2.9340mm；
HOS/HOI=1.5082；HOS/f=1.2873；InTL/HOS=0.7191；InS=4.2128mm；And InS/HOS=
0.95204。
In the optical imaging system of first embodiment, in the thickness summation of lens of all tool refracting powers on optical axis be Σ
TP, it meets following condition：Σ TP=2.4437mm；And Σ TP/InTL=0.76793.Thereby, when system can be taken into account simultaneously
The yield of contrast and the lens manufacture of imaging simultaneously provides appropriate back focal length to house other assemblies.
In the optical imaging system of first embodiment, the radius of curvature of the first lens thing side 112 is R1, the first lens picture
The radius of curvature of side 114 is R2, and it meets following condition：│ R1/R2 │=0.1853.Thereby, the first lens possesses suitably
Positive flexion force intensity, avoids spherical aberration increase from overrunning.
In the optical imaging system of first embodiment, the radius of curvature of the 4th lens thing side 142 is R7, the 4th lens picture
The radius of curvature of side 144 is R8, and it meets following condition：(R7-R8)/(R7+R8)=0.2756.Thereby, be advantageous to correct
Astigmatism caused by optical imaging system.
In the optical imaging system of first embodiment, the respective focal length of the first lens 110 and the second lens 120 is respectively
F1, f2, the focal length summation of the lens of all positive refracting powers of tool is Σ PP, and it meets following condition：Σ PP=f1+f2=
7.0688mm；And f1/ (f1+f2)=0.4631.Thereby, contribute to the positive refracting powers of the first lens 110 of appropriate distribution to its
His positive lens, to suppress the generation of the notable aberration of incident ray traveling process.
In the optical imaging system of first embodiment, the respective focal length of the 3rd lens 130 and the 4th lens 140 is respectively f3
And f4, the focal length summation of the lens of all negative refracting powers of tool is Σ NP, and it meets following condition：Σ NP=f3+f4=-
14.6405mm；And f4/ (f3+f4)=0.5695.Thereby, contribute to the negative refracting powers of the 4th lens of appropriate distribution to other
Negative lens, to suppress the generation of the notable aberration of incident ray traveling process.
In the optical imaging system of first embodiment, the first lens 110 and the second lens 120 are in the spacing distance on optical axis
For IN12, it meets following condition：IN12=0.3817mm；IN12/f=0.11105.Thereby, the color of improvement lens is contributed to
Difference is to lift its performance.
In the optical imaging system of first embodiment, the second lens 120 and the 3rd lens 130 are in the spacing distance on optical axis
For IN23, it meets following condition：IN23=0.0704mm；IN23/f=0.02048.Thereby, the color of improvement lens is contributed to
Difference is to lift its performance.
In the optical imaging system of first embodiment, the 3rd lens 130 and the 4th lens 140 are in the spacing distance on optical axis
For IN34, it meets following condition：IN34=0.2863mm；IN34/f=0.08330.Thereby, the color of improvement lens is contributed to
Difference is to lift its performance.
In the optical imaging system of first embodiment, the first lens 110 and the second lens 120 are distinguished in the thickness on optical axis
For TP1 and TP2, it meets following condition：TP1=0.46442mm；TP2=0.39686mm；TP1/TP2=1.17023 with
And (TP1+IN12)/TP2=2.13213.Thereby, contribute to control the susceptibility of optical imaging system manufacture and lift its property
Energy.
In the optical imaging system of first embodiment, the 3rd lens 130 and the 4th lens 140 are distinguished in the thickness on optical axis
For TP3 and TP4, foregoing two lens are IN34 in the spacing distance on optical axis, and it meets following condition：TP3=
0.70989mm；TP4=0.87253mm；TP3/TP4=0.81359 and (TP4+IN34)/TP3=1.63248.Thereby, have
Help control the susceptibility of optical imaging system manufacture and reduce system total height.
In the optical imaging system of first embodiment, it meets following condition：IN23/ (TP2+IN23+TP3)=
0.05980.Thereby help and correct aberration caused by incident light traveling process a little layer by layer and reduce system total height.
In the optical imaging system of first embodiment, the 4th lens thing side 142 is in the intersection point on optical axis to the 4th lens
The maximum effective radius position of thing side 142 is InRS41 in the horizontal displacement distance of optical axis, and the 4th lens image side surface 144 is in light
Intersection point on axle to the maximum effective radius position of the 4th lens image side surface 144 in the horizontal displacement distance of optical axis be InRS42,
4th lens 140 are TP4 in the thickness on optical axis, and it meets following condition：InRS41=-0.23761mm；InRS42=-
0.20206mm；│ InRS41 │+│ InRS42 │=0.43967mm；│ InRS41 │/TP4=0.27232；And │ InRS42 │/TP4
=0.23158.Thereby be advantageous to eyeglass to make and be molded, and effectively maintain its miniaturization.
In the optical imaging system of the present embodiment, the critical point C41 of the 4th lens thing side 142 and the vertical range of optical axis
For HVT41, the critical point C42 of the 4th lens image side surface 144 and the vertical range of optical axis are HVT42, and it meets following condition：
HVT41=0.5695mm；HVT42=1.3556mm；HVT41/HVT42=0.4201.Thereby, can effective modified off-axis visual field
Aberration.
The optical imaging system of the present embodiment its meet following condition：HVT42/HOI=0.4620.Thereby, light is contributed to
Learn the lens error correction of the peripheral field of imaging system.
The optical imaging system of the present embodiment its meet following condition：HVT42/HOS=0.3063.Thereby, light is contributed to
Learn the lens error correction of the peripheral field of imaging system.
In the optical imaging system of first embodiment, the abbe numbers of the first lens is NA1, the abbe number of the second lens
For NA2, the abbe number of the 3rd lens is NA3, and the abbe number of the 4th lens is NA4, and it meets following condition：│NA1-NA2
│=0；NA3/NA2=0.39921.Thereby, the amendment of optical imaging system aberration is contributed to.
In the optical imaging system of first embodiment, TV distortion of optical imaging system when imaging is TDT, during imaging
Optical distortion is ODT, and it meets following condition：│ TDT │=0.4%；│ ODT │=2.5%.
In the optical imaging system of the present embodiment, the most long operation wavelength of positive meridian plane light fan figure is entered by aperture blade
The lateral aberration for penetrating 0.7 visual field on imaging surface represents that it is that (pixel size Pixel Size are 1.12 μ to 0.001mm with PLTA
M), the most short operation wavelength of positive meridian plane light fan figure is incident on the lateral aberration of 0.7 visual field on imaging surface by aperture blade
Represented with PSTA, it is 0.004mm (pixel size Pixel Size are 1.12 μm), and negative sense meridian plane light fans the most long work of figure
The lateral aberration that wavelength is incident on 0.7 visual field on imaging surface by aperture blade represents that it is that (pixel is big by 0.003mm with NLTA
Small Pixel Size are 1.12 μm), the most short operation wavelength of negative sense meridian plane light fan figure is incident on imaging surface by aperture blade
The lateral aberration of upper 0.7 visual field represents that it is -0.003mm with NSTA (pixel size Pixel Size are 1.12 μm).Sagittal surface
The lateral aberration that the most long operation wavelength of light fan figure is incident on 0.7 visual field on imaging surface by aperture blade represents with SLTA, its
For 0.003mm (pixel size Pixel Size are 1.12 μm), the most short operation wavelength of sagittal surface light fan figure passes through aperture blade
The lateral aberration for being incident on 0.7 visual field on imaging surface represents with SSTA, and it is that (pixel size Pixel Size are 0.004mm
1.12μm)。
It refer to Fig. 7, the lens orientation component 794 of the present embodiment, in hollow and any lens can be housed, and make these saturating
Mirror is arranged on optical axis, and it is close that the lens orientation component includes a thing end 796 and a picture end 798, the thing end 796
Thing side and with one first opening 7962, this as end 798 close to image side have one second opening 7982, the lens positioning component
794 outer wall includes two sections 799, and there is a shaping to fill mouth trace 7992 respectively in these sections 799.Foregoing this first is opened
The internal diameter of mouth 7962 is OD, and the internal diameter of second opening 7982 is ID, and it meets following condition：OD=0.8mm；ID=
2.82mm；OD/ID=0.2837.The minimum thickness of the thing end 796 be OT and this as the minimum thickness of 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 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 0-14 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 are that the meridian plane light fan of the optical imaging system of second 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 Fig. 2A, optical imaging system 20
By thing side to image side successively include the first lens 210, aperture 200, the second lens 220, the 3rd lens 230, the 4th lens 240,
Infrared filter 270, imaging surface 280 and imaging sensor 290.
First lens 210 have negative refracting power, and are plastic material, and its thing side 212 is convex surface, and its image side surface 214 is
Concave surface, and be all aspherical, and its thing side 212 has a point of inflexion.
Second lens 220 have positive refracting power, and are plastic material, and its thing side 222 is convex surface, and its image side surface 224 is
Convex surface, and be all aspherical.
3rd lens 230 have positive refracting power, and are plastic material, and its thing side 232 is convex surface, and its image side surface 234 is
Convex surface, and be all aspherical, and its thing side 232 with two points of inflexion and image side surface 234 with a point of inflexion.
4th lens 240 have negative refracting power, and are plastic material, and its thing side 242 is concave surface, and its image side surface 244 is
Concave surface, and be all aspherical, and its image side surface 244 has a point of inflexion.
Infrared filter 270 is glass material, and it is arranged between the 4th lens 240 and imaging surface 280 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：
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：
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 are that the meridian plane light fan of the optical imaging system of 3rd 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 Fig. 3 A, optical imaging system 30
By thing side to image side successively include the first lens 310, aperture 300, the second lens 320, the 3rd lens 330, the 4th lens 340,
Infrared filter 370, imaging surface 380 and imaging sensor 390.
First lens 310 have negative 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.
Second lens 320 have positive refracting power, and are plastic material, and its thing side 322 is convex surface, and its image side surface 324 is
Convex surface, and be all aspherical.
3rd lens 330 have positive refracting power, and are plastic material, and its thing side 332 is convex surface, and its image side surface 334 is
Convex surface, and be all aspherical, its thing side 332 is with two points of inflexion and image side surface 334 with a point of inflexion.
4th lens 340 have negative refracting power, and are plastic material, and its thing side 342 is concave surface, and its image side surface 344 is
Concave surface, and be all aspherical, and its thing side 342 has two points of inflexion.
Infrared filter 370 is glass material, and it is arranged between the 4th lens 340 and imaging surface 380 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：
Following condition formulae numerical value is can obtain according to table five and table six：
The related numerical value of contour curve length 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 are that the meridian plane light fan of the optical imaging system of fourth 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 Fig. 4 A, optical imaging system 40
By thing side to image side successively include the first lens 410, aperture 400, the second lens 420, the 3rd lens 430, the 4th lens 440,
Infrared filter 470, imaging surface 480 and imaging sensor 490.
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 positive refracting power, and are plastic material, and its thing side 422 is convex surface, and its image side surface 424 is
Convex surface, and be all aspherical.
3rd lens 430 have negative refracting power, and are plastic material, and its thing side 432 is concave surface, and its image side surface 434 is
Concave surface, and be all aspherical.
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.
Infrared filter 470 is glass material, and it is arranged between the 4th lens 440 and imaging surface 480 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：
Following condition formulae numerical value is can obtain according to table seven and table eight：
The related numerical value of contour curve length 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 are that the meridian plane light fan of the optical imaging system of the 5th 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 Fig. 5 A, optical imaging system 50
By thing side to image side successively include the first lens 510, aperture 500, the second lens 520, the 3rd lens 530, the 4th lens 540,
Infrared filter 570, imaging surface 580 and imaging sensor 590.
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 image side surface 514 has a point of inflexion.
Second lens 520 have positive 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.
3rd lens 530 have negative refracting power, and are plastic material, and its thing side 532 is concave 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 thing side 542 has a point of inflexion.
Infrared filter 570 is glass material, and it is arranged between the 4th lens 540 and imaging surface 580 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：
Following condition formulae numerical value is can obtain according to table nine and table ten：
The related numerical value of contour curve length 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 are that the meridian plane light fan of the optical imaging system of sixth 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 Fig. 6 A, optical imaging system 60
By thing side to image side successively include the first lens 610, aperture 600, the second lens 620, the 3rd lens 630, the 4th lens 640,
Infrared filter 670, imaging surface 680 and imaging sensor 690.
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 positive refracting power, and are plastic material, and its thing side 622 is concave surface, and its image side surface 624 is
Convex surface, and be all aspherical, and its thing side 622 has a point of inflexion.
3rd lens 630 have positive refracting power, and are plastic material, and its thing side 632 is convex surface, and its image side surface 634 is
Convex surface, and be all aspherical, and its image side surface 634 has a point of inflexion.
4th lens 640 have negative refracting power, and are plastic material, and its thing side 642 is convex surface, and its image side surface 644 is
Concave surface, and be all aspherical, and its thing side 642 and image side surface 644 are respectively provided with two points of inflexion.
Infrared filter 670 is glass material, and it is arranged between the 4th lens 640 and imaging surface 680 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：
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：
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 imaging surface；And a lens positioning component, wherein the lens positioning component is in hollow and can house any of the above-described
Mirror, and said lens is arranged on optical axis, the lens positioning component includes a thing end and one as end, the thing end
Portion is 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 positioning group
The outer wall of part includes at least two sections, and there is at least one shaping to fill mouth trace respectively in above-mentioned section, wherein the optics into
It it is four pieces as system has the lens of refracting power, first lens at least one piece of lens into the 4th lens, which have, just bends
Power is rolled over, the focal length of the optical imaging system is f, and the entrance pupil diameter of the optical imaging system is HEP, and described first is saturating
Mirror thing side is to the imaging surface in having a distance HOS, the first lens thing side to the 4th lens picture on optical axis
Side is in having a distance InTL on optical axis, the half of the maximum visual angle of the optical imaging system is HAF, with above-mentioned
The intersection point of any surface of any lens and optical axis is starting point in mirror, along the profile on the surface until distance on the surface
Untill coordinate points at the vertical height of the entrance pupil diameter of optical axis 1/2, the contour curve length of foregoing point-to-point transmission is ARE, its
Meet 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, above-mentioned 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 positive meridian plane light fan is incorporated to by entrance pupil edge with PLTA
Penetrate the lateral aberration on the imaging surface at 0.7HOI to represent with PSTA, the most long operation wavelength of negative sense meridian plane light fan passes through
The entrance pupil edge and lateral aberration being incident on the imaging surface at 0.7HOI is represented with NLTA, negative sense meridian plane light fan
Most short operation wavelength represented by entrance pupil edge and the lateral aberration that is incident on the imaging surface at 0.7HOI with NSTA,
The most long operation wavelength of sagittal surface light fan passes through entrance pupil edge and the horizontal picture that is incident on the imaging surface at 0.7HOI
Difference represents that the most short operation wavelength of sagittal surface light fan by entrance pupil edge and is incident on the imaging surface with SLTA
Lateral aberration at 0.7HOI represents that it meets following condition with SSTA：PLTA≤100 micron；PSTA≤100 micron；NLTA
≤ 100 microns；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 4th 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 ARE41, with the image side surface of the 4th 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 ARE42, and the 4th lens are in the thickness on optical axis
TP4, it meets following condition：0.05≦ARE41/TP4≦25；And 0.05≤ARE42/TP4≤25.
8. optical imaging system as claimed in claim 1, it is characterised in that with the thing side of the 3rd 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 ARE31, with the image side surface of the 3rd 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 ARE32, and the 3rd lens are in the thickness on optical axis
For TP3, it meets following condition：0.05≦ARE31/TP3≦25；And 0.05≤ARE32/TP3≤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, 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 imaging surface；And
One lens positioning component, wherein the lens positioning component is in hollow and can house any of the above-described lens, and make above-mentioned
Mirror is arranged on optical axis, and the lens positioning component includes a thing end and one as end, the thing end close to thing side and
With one first opening, described to have one second opening close to image side as end, the outer wall of the lens positioning component is included extremely
There is at least one shaping to fill mouth trace respectively for few two sections, above-mentioned section, and the optical imaging system has refracting power
Lens are four pieces and a respective at least surface for first lens at least one piece lens into the 4th lens has extremely
Few point of inflexion, second lens at least one piece of lens into the 4th lens have positive refracting power, the optical imagery
The focal length of system is f, and the entrance pupil diameter of the optical imaging system is HEP, the first lens thing side to it is described into
Image planes are in having a distance HOS on optical axis, the first lens thing side to the 4th lens image side surface on optical axis in having
One distance InTL, the half of the maximum visual angle of the optical imaging system is HAF, with times of any lens in said lens
The intersection point of one surface and optical axis is starting point, along the surface profile until on the surface apart from the entrance pupil of optical axis 1/2
Untill coordinate points at the vertical height of diameter, the contour curve length of foregoing 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.
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, above-mentioned 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 any surface of any lens in said lens
Maximum effective radius represented with EHD, using any surface of any lens in said lens and the intersection point of optical axis as starting point, along
The profile on 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.
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, positive meridian plane light
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 PSTA
Represent, the most long operation wavelength of negative sense meridian plane light fan by entrance pupil edge and is incident on the imaging surface at 0.7HOI
Lateral aberration represent that the most short operation wavelength of negative sense meridian plane light fan by entrance pupil edge and is incident on described with NLTA
Lateral aberration on imaging surface at 0.7HOI represents that the most long operation wavelength of sagittal surface light fan passes through entrance pupil edge with NSTA
And the lateral aberration being incident on the imaging surface at 0.7HOI is represented with SLTA, the most short operation wavelength of sagittal surface light fan passes through
The entrance pupil edge and lateral aberration being incident on the imaging surface at 0.7HOI is represented with SSTA, it meets following condition：
PLTA≤50 micron；PSTA≤50 micron；NLTA≤50 micron；NSTA≤50 micron；SLTA≤50 micron；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 3rd lens and the 4th lens it
Between in the distance on optical axis be IN34, the 3rd lens and the 4th lens are respectively TP3 and TP4 in the thickness on optical axis,
It meets following condition：1≦(TP4+IN34)/TP3≦10.
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：1≦(TP1+IN12)/TP2≦10.
19. optical imaging system as claimed in claim 10, it is characterised in that first lens, second lens, institute
It is that light of the wavelength less than 500nm filters out component to state at least one piece of lens in the 3rd lens and the 4th lens.
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 imaging surface；And
One lens positioning component, wherein the lens positioning component is in hollow and can house any of the above-described lens, and make above-mentioned
Mirror is arranged on optical axis, and the lens positioning component includes a thing end and one as end, the thing end close to thing side and
With one first opening, described to have one second opening close to image side as end, 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, above-mentioned section, and the optical imaging system has refracting power
Lens are four pieces, and the focal length of the optical imaging system is f, and the entrance pupil diameter of the optical imaging system is HEP, described
First lens thing side is to the imaging surface in having a distance HOS, the first lens thing side to the described 4th on optical axis
For lens image side surface in having a distance InTL on optical axis, the half of the maximum visual angle of the optical imaging system is HAF, with
The intersection point of any surface of any lens and optical axis is starting point in said lens, along the profile on the surface until the surface
On untill coordinate points at the vertical height of the entrance pupil diameter of optical axis 1/2, the contour curve length of foregoing point-to-point transmission is
ARE, it meets following condition：1≦f/HEP≦10；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 4th 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 ARE41, with the image side surface of the 4th 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 ARE42, and the 4th lens are in the thickness on optical axis
TP4, it meets following condition：0.05≦ARE41/TP4≦25；And 0.05≤ARE42/TP4≤25.
24. optical imaging system as claimed in claim 20, it is characterised in that with the thing side of the 3rd 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 ARE31, with the image side surface of the 3rd 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 ARE32, and the 3rd lens are in the thickness on optical axis
Spend for TP3, it meets following condition：0.05≦ARE31/TP3≦25；And 0.05≤ARE32/TP3≤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
Stating imaging surface has a distance InS, and the drive module is coupled with each lens and each lens is produced displacement, its
Meet following equation：0.2≦InS/HOS≦1.1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105205745U TWM544001U (en) | 2016-04-22 | 2016-04-22 | Optical image capturing system |
| TW105205745 | 2016-04-22 |
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| CN206757158U true CN206757158U (en) | 2017-12-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107305280A (en) * | 2016-04-22 | 2017-10-31 | 先进光电科技股份有限公司 | Optical imaging system |
| US10901180B2 (en) | 2017-12-08 | 2021-01-26 | Largan Precision Co., Ltd. | Lens system, projection device, detecting module and electronic device |
| CN113138454A (en) * | 2020-01-17 | 2021-07-20 | 先进光电科技股份有限公司 | Optical imaging system |
| US11327277B2 (en) | 2019-11-29 | 2022-05-10 | Largan Precision Co., Ltd. | Lens system and electronic device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI703365B (en) * | 2018-02-13 | 2020-09-01 | 先進光電科技股份有限公司 | Optical image capturing system |
-
2016
- 2016-04-22 TW TW105205745U patent/TWM544001U/en unknown
-
2017
- 2017-04-13 CN CN201720383758.7U patent/CN206757158U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107305280A (en) * | 2016-04-22 | 2017-10-31 | 先进光电科技股份有限公司 | Optical imaging system |
| CN107305280B (en) * | 2016-04-22 | 2019-12-03 | 先进光电科技股份有限公司 | Optical imaging system |
| US10901180B2 (en) | 2017-12-08 | 2021-01-26 | Largan Precision Co., Ltd. | Lens system, projection device, detecting module and electronic device |
| US11422340B2 (en) | 2017-12-08 | 2022-08-23 | Largan Precision Co., Ltd. | Lens system, projection device, detecting module and electronic device |
| US11327277B2 (en) | 2019-11-29 | 2022-05-10 | Largan Precision Co., Ltd. | Lens system and electronic device |
| US11640046B2 (en) | 2019-11-29 | 2023-05-02 | Largan Precision Co., Ltd. | Lens system and electronic device |
| US11940598B2 (en) | 2019-11-29 | 2024-03-26 | Largan Precision Co., Ltd. | Lens system and electronic device |
| CN113138454A (en) * | 2020-01-17 | 2021-07-20 | 先进光电科技股份有限公司 | Optical imaging system |
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| Publication number | Publication date |
|---|---|
| TWM544001U (en) | 2017-06-21 |
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