CN108732717A - Imaging lens - Google Patents
Imaging lens Download PDFInfo
- Publication number
- CN108732717A CN108732717A CN201710270032.7A CN201710270032A CN108732717A CN 108732717 A CN108732717 A CN 108732717A CN 201710270032 A CN201710270032 A CN 201710270032A CN 108732717 A CN108732717 A CN 108732717A
- Authority
- CN
- China
- Prior art keywords
- lens
- imaging
- imaging lens
- present
- glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
Abstract
Disclosed herein a kind of imaging lens, include the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens, the 8th lens, the 9th lens and the tenth lens from Zoom Side to reduced side sequential, wherein the first lens, the 4th lens, the 5th lens and the 9th lens are respectively provided with negative diopter, and the second lens, the third lens, the 6th lens, the 7th lens, the 8th lens and the tenth lens are respectively provided with positive diopter.This imaging lens can provide good image quality.
Description
Technical field
The present invention relates to a kind of optical element more particularly to a kind of imaging lens.
Background technology
Image capture unit (such as camera) is mainly the shadow that object side is captured by imaging lens and Image Sensor
Picture, wherein imaging lens can be used to focus on Image Sensor from the light beam of object side, and Image Sensor to
Sensing image.In order to fully show the performance of Image Sensor, it is necessary using good imaging lens, just generally comes
It says, good imaging lens need low distortion (distortion), low aberrations (aberration), high-res
(resolution) ... the advantages that.Therefore, how the imaging lens that good image quality is provided are being designed, actually designer
A great problem.
Invention content
The present invention proposes a kind of imaging lens, to provide good image quality.
Include the from Zoom Side to reduced side sequential in order to achieve the above-mentioned advantages, the present invention provides a kind of imaging lens
One lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens, the 8th lens, the 9th are thoroughly
Mirror and the tenth lens, wherein the first lens, the 4th lens, the 5th lens and the 9th lens are respectively provided with negative diopter, the
Two lens, the third lens, the 6th lens, the 7th lens, the 8th lens and the tenth lens are respectively provided with positive diopter.
In one embodiment of this invention, first lens have a concave surface towards reduced side, and the first lens are curved
Month shape concavees lens, plano-concave lens or biconcave lens.Second lens are biconvex lens.The third lens have one convex surface facing amplification
Side, and the third lens are positive meniscus lens.4th lens are falcate concavees lens, plano-concave lens or biconcave lens.5th thoroughly
Mirror and the 6th lens form the first compound lens, and the joint surface of the 5th lens and the 6th lens is curved surface.7th lens are double
Convex lens.8th lens and the 9th lens form the second compound lens, and the joint surface of the 8th lens and the 9th lens is plane
Or curved surface.Tenth lens have one convex surface facing Zoom Side and reduced side, and the tenth lens are biconvex lens, planoconvex spotlight or curved
Month shape convex lens.
In one embodiment of this invention, the third lens form third compound lens with the 4th lens, and third is saturating
The joint surface of mirror and the 4th lens is curved surface.
In one embodiment of this invention, the imaging lens further include aperture diaphragm, are configured at the 4th lens and the 5th
Between lens.
In one embodiment of this invention, the imaging lens further include the 11st lens, are configured at lower column position wherein
One of：Between first lens and the second lens, between the 7th lens and the 8th lens, between the tenth lens and reduced side, the 4th
Between lens and aperture diaphragm, between aperture diaphragm and the 5th lens.
In one embodiment of this invention, the 11st lens are configured between the first lens and the second lens or the 7th
Between lens and the 8th lens, the 11st lens have negative diopter.
In one embodiment of this invention, the 11st lens are configured between the 4th lens and aperture diaphragm or aperture
Between diaphragm and the 5th lens, the 11st lens have positive diopter.
In one embodiment of this invention, the 11st lens are configured between the first lens and the second lens, and the tenth
The material of one lens includes but not limited to crown glass.
In one embodiment of this invention, the material of first lens is glass, plastic cement or is selected regarding design requirement
The material of any materials, the second lens includes all crown glasses, and the material of the third lens includes all flint glasses, the 4th lens
Material be glass, plastic cement or any materials selected regarding design requirement, the material of one of the 5th lens and the 6th lens
Including all flint glasses, the 5th lens and wherein another material of the 6th lens include crown glass, the material packet of the 7th lens
Include all flint glasses, the material of one of the 8th lens and the 9th lens includes flint glass, and the 8th lens and the 9th are thoroughly
Wherein another material of mirror includes crown glass, and the material of the tenth lens is glass, plastic cement or the arbitrary material selected regarding design requirement
Material.
In one embodiment of this invention, the full filed angle of the imaging lens is between 10 degree to 100 degree.
Include ten lens in the imaging lens of the present invention, is bent since the lens arranged in Zoom Side to reduced side all have
Luminosity, and according to sequence be respectively provided with it is negative, positive, positive and negative, negative, positive, just, positive and negative, positive diopter, so this imaging lens can
To provide good image quality.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, and in order to allow the above and other objects, features and advantages of the present invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and coordinate attached drawing, detailed description are as follows.
Description of the drawings
Fig. 1 is a kind of schematic diagram of imaging lens of one embodiment of the invention.
Fig. 2A is the astigmatism and curvature of field figure of an embodiment of the imaging lens of Fig. 1.
Fig. 2 B are the distortion figures of an embodiment of the imaging lens of Fig. 1.
Fig. 2 C are modulation transfer function (the Modulation Transfer of an embodiment of the imaging lens of Fig. 1
Function, MTF) figure.
Fig. 3 is a kind of schematic diagram of imaging lens of another embodiment of the present invention.
Fig. 4 A are the astigmatism and curvature of field figure of an embodiment of the imaging lens of Fig. 3.
Fig. 4 B are the distortion figures of an embodiment of the imaging lens of Fig. 3.
Fig. 4 C are the modulation transfer function figures of an embodiment of the imaging lens of Fig. 3.
Fig. 5 is a kind of schematic diagram of imaging lens of another embodiment of the present invention.
Fig. 6 A are the astigmatism and curvature of field figure of an embodiment of the imaging lens of Fig. 5.
Fig. 6 B are the distortion figures of an embodiment of the imaging lens of Fig. 5.
Fig. 6 C are the modulation transfer function figures of an embodiment of the imaging lens of Fig. 5.
Fig. 7 is a kind of schematic diagram of imaging lens of another embodiment of the present invention.
Fig. 8 A are the astigmatism and curvature of field figure of an embodiment of the imaging lens of Fig. 7.
Fig. 8 B are the distortion figures of an embodiment of the imaging lens of Fig. 7.
Fig. 8 C are the modulation transfer function figures of an embodiment of the imaging lens of Fig. 7.
Fig. 9 is a kind of schematic diagram of imaging lens of another embodiment of the present invention.
Figure 10 A are the astigmatism and curvature of field figure of an embodiment of the imaging lens of Fig. 9.
Figure 10 B are the distortion figures of an embodiment of the imaging lens of Fig. 9.
Figure 10 C are the modulation transfer function figures of an embodiment of the imaging lens of Fig. 9.
Figure 11 is a kind of schematic diagram of imaging lens of another embodiment of the present invention.
Figure 12 A are the astigmatism and curvature of field figure of an embodiment of the imaging lens of Figure 11.
Figure 12 B are the distortion figures of an embodiment of the imaging lens of Figure 11.
Figure 12 C are the modulation transfer function figures of an embodiment of the imaging lens of Figure 11.
Figure 13 is a kind of schematic diagram of imaging lens of another embodiment of the present invention.
Figure 14 is a kind of schematic diagram of imaging lens of another embodiment of the present invention.
Figure 15 A are the astigmatism and curvature of field figure of an embodiment of the imaging lens of Figure 14.
Figure 15 B are the distortion figures of an embodiment of the imaging lens of Figure 14.
Figure 15 C are the modulation transfer function figures of an embodiment of the imaging lens of Figure 14.
Figure 16 is a kind of schematic diagram of imaging lens of another embodiment of the present invention.
Specific implementation mode
The imaging lens of various embodiments of the present invention can be applied in either statically or dynamically image capture unit, including video camera,
Camera, monitoring device, machine vision device etc., but not limited to this.For example, imaging lens can also be applied to projection dress
In setting.It will be detailed below several embodiments of the imaging lens of the present invention.
Fig. 1 is a kind of schematic diagram of imaging lens of one embodiment of the invention.Fig. 1 is please referred to, this imaging lens 100 can be done
For tight shot comprising the first lens G1, the second lens G2, the third lens G3 from Zoom Side to reduced side sequential,
4th lens G4, the 5th lens G5, the 6th lens G6, the 7th lens G7, the 8th lens G8, the 9th lens G9 and the tenth lens
G10, wherein the first lens G1, the 4th lens G4, the 5th lens G5 and the 9th lens G9 are respectively provided with negative diopter, second thoroughly
Mirror G2, the third lens G3, the 6th lens G6, the 7th lens G7, the 8th lens G8 and the tenth lens G10 are respectively provided with positive dioptric
Degree.When imaging lens 100 are applied in image capture unit, the element P for being set to reduced side is, for example, image capture unit
Image Sensor, and imaging lens 100 to by the image objects of Zoom Side in Image Sensor.Work as imaging lens
100 be applied to projection arrangement in when, the element P for being set to reduced side is, for example, the light valve of projection arrangement (Light Valve), and
Imaging lens 100 are projecting the image strip from light valve on the screen of Zoom Side.
The imaging lens 100 of the present embodiment for example further include aperture diaphragm SA, are configured at the 4th lens G4 and the 5th lens
Between G5.
First lens G1 for example has that there are one concave surfaces towards reduced side, and the first lens G1 is falcate concavees lens or plano-concave
Lens.For example, the first lens G1 of the present embodiment is, for example, falcate concavees lens, the first lens G1 towards Zoom Side
Surface S1 is convex surface, and the surface S2 towards reduced side is concave curved surface.In addition, flint glass can be selected in the material of the first lens G1
Glass or crown glass etc., but not limited to this, above-mentioned flint glass also includes the different flint class glass of oxidation lead proportion, for example, crown
Flint glass, light flint and dense flint glass, and above-mentioned crown glass may also comprise addition other elements (such as barium, zinc,
Boron, phosphorus, barium, fluorine and lanthanum) crown class glass, as light crown glass, dense crown, fluor crown and lanthanum crown glass etc..?
In another embodiment, the first lens G1 is, for example, plano-concave lens or biconcave lens, the surface towards Zoom Side of the first lens G1
For plane or concave surface, and the surface towards reduced side is concave curved surface.In another embodiment, the first lens G1 can also be to have
One concave surface is towards Zoom Side, and the first lens G1 is falcate concavees lens or plano-concave lens.
In order to undertake light beam by expanding the effect changed into and collected, the second lens G2 for selecting stronger refractive power is needed
(refractive power is stronger, generally refers to select the higher glass of refractive index, such as high refractive index in 1.8, or use refractive power
Stronger face type, the e.g. smaller biconvex lens of radius of curvature), and biconvex lens can be selected in the second lens G2, but not with this
It is limited.Specifically, the surface S3 towards Zoom Side of the second lens G2 of the present embodiment and surface S4 towards reduced side
As being all convex surface.In addition, material (the material of low abbe number with low abbe number can be selected in the material of the second lens G2
Refer to the material that Abbe number is more than 50), the material such as crown glass of the second lens G2, to keep lower color when transferring light beam
Dissipate variation.
The third lens G3 for example has there are one convex surface facing Zoom Side, and the third lens G3 is positive meniscus lens.Specifically
For, the surface S5 towards Zoom Side of the third lens G3 of the present embodiment is convex surface, and the surface S6 towards reduced side is
Concave curved surface.In addition, material (the material of high refractive index with high refractive index and high abbe number can be selected in the material of the third lens G3
Material refers generally to refractive index and is more than 1.75, and the material of high abbe number refers to 30) Abbe number is more than, and the third lens G3 for example attaches most importance to fire
Stone glass, and it is suitable for correcting chromatic aberration.
4th lens G4 is used to light beam being expanded into aperture diaphragm SA, and suitable for transmitting from aperture diaphragm SA light beam
(herein, pupil refers generally to aperture diaphragm to pupil, and the part before aperture diaphragm is entrance pupil, and the part after aperture diaphragm is
Pupil), so the 4th lens G4 can select falcate concavees lens, but not limited to this.Specifically, the 4th of the present embodiment the is saturating
The surface S7 towards Zoom Side of mirror G4 is convex surface, and the surface S8 towards reduced side is concave curved surface.In addition, the 4th lens G4
Material can be selected flint glass or crown glass etc..
5th lens G5 and the 6th lens G6 for example forms the first compound lens C1, and the 5th lens G5 and the 6th lens G6
Joint surface S10 be plane or curved surface.For example, the joint surface S10 of the present embodiment is the curved surface for being convex to Zoom Side, Er Qie
The surface S9 towards Zoom Side of five lens G5 is concave curved surface, and the surface S11 towards reduced side of the 6th lens G6 is convex surface.
In addition, the 5th lens G5 and the 6th lens G6 form the first compound lens C1 for example, by using glued mode.
Refractive index can be selected with the 6th lens G6 by above-mentioned 5th lens G5 and abbe number differs two kinds of larger glass
Combination.For example, the refractive index difference of the material of the 5th lens G5 and the 6th lens G6 is more than 0.2, the 5th lens G5 and the
The Abbe number difference of the material of six lens G6 is more than 20, in one embodiment, the refractive index and Abbe of the material of the 5th lens G5
For numerical example as being respectively 1.8 and 30, the refractive index and Abbe number of the material of the 6th lens G6 are for example respectively 1.5 and 70.
In addition, the material of one of above-mentioned 5th lens G5 and the 6th lens G6 is for example including dense flint glass, the 5th
Material wherein another lens G5 and the 6th lens G6 is for example including crown glass.For example, the material of the 5th lens G5 is for example
It is dense flint glass, the material of the 6th lens G6 is, for example, crown glass.In another embodiment, the material of the 5th lens G5 is for example
It is crown glass, the material of the 6th lens G6 is, for example, dense flint glass.
In addition, in other embodiments, above-mentioned joint surface S10 can also coordinate light beam from the feelings of aperture diaphragm SA entrance pupils
Condition adjusts, and is to be made as joint surface S10 to be convex to the curved surface of reduced side or plane.
7th lens G7 is, for example, biconvex lens, planoconvex spotlight or positive meniscus lens.For example, the of the present embodiment
Seven lens G7 are biconvex lens, i.e., the surface S12 towards Zoom Side of the 7th lens G7 and the surface S13 towards reduced side be for example
All it is convex surface.In addition, the material of the 7th lens G7 can be selected with high refractive index and high abbe number (high refractive index herein
Material refers generally to refractive index and is more than 1.7, and the material of high abbe number refers to that Abbe number is more than material 35), for example, dense flint
Glass.In other embodiments, this 7th lens G7 can also be positive meniscus lens, convex surface can be convex to Zoom Side or
Reduced side.In addition, the 7th lens G7 can also be planoconvex spotlight.
8th lens G8 and the 9th lens G9 for example forms the second compound lens C2, and the 8th lens G8 and the 9th lens G9
Joint surface S15 be plane or curved surface.For example, the joint surface S15 of the present embodiment is the curved surface for being convex to reduced side, Er Qie
The surface S14 towards Zoom Side of eight lens G8 is convex surface, and the surface S16 towards reduced side of the 9th lens G9 is concave curved
Face.In addition, the 8th lens G8 and the 9th lens G9 form the second compound lens C2 for example, by using glued mode.
The optional abbe number of the material of above-mentioned 8th lens G8 and the 9th lens G9 is close but refractive index is larger
The combination of two kinds of glass, can be eliminating aberration.For example, the Abbe number of the 8th lens G8 and the material of the 9th lens G9 are poor
For value less than 10, the refractive index difference of the material of the 8th lens G8 and the 9th lens G9 is more than 0.2.In one embodiment, the 8th thoroughly
The Abbe number of the material of mirror G8 and the 9th lens G9 is for example all 40, and the refraction of the material of the 8th lens G8 and the 9th lens G9
Rate is for example respectively 1.88 and 1.6.
In addition, the material of above-mentioned 8th lens G8 and the 9th lens G9 also can be selected, refractive index is close but abbe number difference
The combination of two kinds of larger glass.For example, the refractive index difference of the 8th lens G8 and the material of the 9th lens G9 are less than
The Abbe number difference of the material of 0.1, the 8th lens G8 and the 9th lens G9 is more than 20.In one embodiment, the 8th lens G8 with
The Abbe number of the material of 9th lens G9 is respectively 55 and 25, and the refractive index example of the material of the 8th lens G8 and the 9th lens G9
Such as it is all 1.75.
Specifically, the material of one of above-mentioned 8th lens G8 and the 9th lens G9 is for example including flint glass, and
Material wherein another eight lens G8 and the 9th lens G9 is for example including crown glass.For example, the material example of the 8th lens G8
The material of flint glass in this way, the 9th lens G9 is, for example, crown glass.In another embodiment, the material of the 8th lens G8 is for example
It is crown glass, the material of the 9th lens G9 is, for example, flint glass.
In addition, in other embodiments, above-mentioned joint surface S15 can also be the curved surface or plane for being convex to Zoom Side.
Tenth lens G10 for example has there are one convex surface facing Zoom Side or reduced side, and the tenth lens G10 is lenticular
Mirror, planoconvex spotlight or positive meniscus lens.For example, the tenth lens G10 of the present embodiment is, for example, biconvex lens, i.e., and the tenth
The surface S17 towards Zoom Side and the surface S18 towards reduced side of lens G10 is for example convex surface.In addition, the tenth lens
The material of G10 can be selected but be not limited to crown glass, and in one embodiment, the material of the tenth lens G10 is, for example, lanthanum crown glass.
In other embodiments, this tenth lens G10 can also be positive meniscus lens, and towards Zoom Side or reduced side there are one tools
Convex surface, in addition, the tenth lens G10 can also be planoconvex spotlight.
Above-mentioned the first lens G1, the 4th lens G4, the 5th lens G5 and the 9th lens G9 enumerated can also regard design and need
It asks and is substituted for other kinds of concavees lens, such as：Falcate concavees lens, plano-concave lens and biconcave lens etc..In addition, above-mentioned row
The second lens G2, the third lens G3, the 6th lens G6, the 7th lens G7, the 8th lens G8 and the tenth lens G10 lifted can also
It is substituted for other kinds of convex lens depending on design requirement, such as：Positive meniscus lens, planoconvex spotlight and biconvex lens etc..This
Outside, the full filed angle of the imaging lens 100 of the present embodiment is, for example, between 10 degree to 100 degree, and but not limited to this.
The imaging lens 100 of the present embodiment include ten lens, due to these lens arranged in Zoom Side to reduced side
All have diopter, and according to sequence be respectively provided with it is negative, positive, positive and negative, negative, positive, just, positive and negative, positive diopter, so this at
As camera lens 100 can provide good image quality.
Table one will enumerate an embodiment of each parameter of imaging lens 100.It is noted that data money listed in table one
Material is not limited to the present invention, and any those of ordinary skill in the art is after with reference to the present invention, when can be right
Change appropriate is done in its parameter or setting, precisely because it should belong in scope of the invention.
Table one
Signified spacing is two adjacent surfaces in the air line distance on the optical axis 150 of imaging lens 100 in table one.Citing comes
It says, the spacing of surface S1, for as surface S1 and surface S2 in the air line distance on optical axis 150, the spacing of surface S18 is surface
S18 and element P is in the air line distance on optical axis 150.Radius of curvature be positive value surface represent the surface towards amplification lateral bend,
Radius of curvature is the surface of negative value, represents the surface towards diminution lateral bend.
Fig. 2A is the astigmatism and curvature of field figure of an embodiment of the imaging lens of Fig. 1, and Fig. 2 B are a realities of the imaging lens of Fig. 1
The distortion figure of example is applied, and Fig. 2 C are the modulation transfer function figures of an embodiment of the imaging lens of Fig. 1.As Fig. 2A to Fig. 2 C institute
Show, the imaging lens 100 of the present embodiment can be to provide good image quality.
In other embodiments, the imaging lens of the embodiment of the present invention are in addition to including above-mentioned first compound lens C1 and second
Can also further include third compound lens (not shown) except compound lens C2, it can be eliminating aberration.Figure will separately be coordinated below
Formula explanation.
Fig. 3 is a kind of schematic diagram of imaging lens of another embodiment of the present invention.Please refer to Fig. 3, the imaging of the present embodiment
Camera lens 100a is similar to the imaging lens 100 of Fig. 1, and main difference is in certain specific in order to correct in this imaging lens 100a
Aberration, so the third lens G3 ' and the 4th lens G4 ' is formed third compound lens C3, and the third lens G3 ' and the 4th lens
The joint surface S20 of G4 ' is curved surface.Specifically, the joint surface S20 of the present embodiment is the convex curved surface towards Zoom Side, Er Qie
The surface S19 towards Zoom Side of three lens G3 ' is convex surface, and the surface S21 towards reduced side of the 4th lens G4 ' is concave curved
Face.In addition, in other embodiments, above-mentioned joint surface S20 can also be changed to be convex to depending on design requirement the curved surface of reduced side or
It is plane.In addition, the third lens G3 ' and the 4th lens G4 ' forms third compound lens C3 for example, by using glued mode.
Table two will enumerate an embodiment of each parameter of imaging lens 100a.It is noted that data listed in table two
Data is not limited to the present invention, and any those of ordinary skill in the art is after with reference to the present invention, when can
Change appropriate is done to its parameter or setting, precisely because it should belong in scope of the invention.
Table two
Fig. 4 A are the astigmatism and curvature of field figure of an embodiment of the imaging lens of Fig. 3, and Fig. 4 B are a realities of the imaging lens of Fig. 3
The distortion figure of example is applied, and Fig. 4 C are the modulation transfer function figures of an embodiment of the imaging lens of Fig. 3.Such as Fig. 4 A to Fig. 4 C institutes
Show, the imaging lens 100a of the present embodiment is suitable for eliminating aberration to provide good image quality.
In other embodiments, between the spacing between said lens, lens and the spacing of Zoom Side, lens and reduced side
Spacing can all be adjusted according to design requirement, with accommodate one or more pieces other lenses and be configured in lower column position wherein it
One：Between Zoom Side and the first lens G1, between the first lens G1 and the second lens G2, the 6th lens G6 and the 7th lens G7 it
Between, between the 7th lens G7 and the 8th lens G8, between the 4th lens G4 and aperture diaphragm SA, aperture diaphragm SA and the 5th lens
Between G5.Specifically, can one or more pieces lens be set in above-mentioned each position.Another cooperation schema is illustrated into a variety of differences below
Embodiment.
Fig. 5 is a kind of schematic diagram of imaging lens of another embodiment of the present invention.Please refer to Fig. 5, the imaging of the present embodiment
Camera lens 100b is similar to the imaging lens 100 of Fig. 1, and it further includes the 11st lens that main difference, which is in this imaging lens 100b,
G11 is configured between the first lens G1 and the second lens G2, and the 11st lens G11 is for example with negative diopter, so at certain
In a little super large apertures or wide-angle application, this imaging lens 100b can be used to eliminate generated residual aberration after diffusion light beam.Tool
For body, the 11st lens G11 of the present embodiment is falcate concavees lens, wherein the 11st lens G11 towards Zoom Side
Surface S22 is convex surface, and the surface S23 towards reduced side of the 11st lens G11 is concave curved surface, in addition, in other implementations
In example, the 11st lens G11 is also not necessarily limited to falcate concavees lens, and the 11st lens G11 can also be other kinds of concavees lens,
Such as：Plano-concave lens and biconcave lens etc..In other embodiments, the 11st above-mentioned lens G11 can also be configured first thoroughly
Between mirror G1 and Zoom Side, or in the both sides of the first lens G1 respectively add a piece of lens with negative diopter.
In addition, being configured between the first lens G1 and Zoom Side or being configured at the first lens in above-mentioned 11st lens G11
Between G1 and the second lens G2, the material of the 11st lens G11 is for example including crown glass.In one embodiment, the crown glass
Including light crown glass or fluor crown, and it is not limited.
Table three will enumerate an embodiment of each parameter of imaging lens 100b.It is noted that data listed in table three
Data is not limited to the present invention, and any those of ordinary skill in the art is after with reference to the present invention, when can
Change appropriate is done to its parameter or setting, precisely because it should belong in scope of the invention.
Table three
Fig. 6 A are the astigmatism and curvature of field figure of an embodiment of the imaging lens of Fig. 5, and Fig. 6 B are a realities of the imaging lens of Fig. 5
The distortion figure of example is applied, and Fig. 6 C are the modulation transfer function figures of an embodiment of the imaging lens of Fig. 5.Such as Fig. 6 A to Fig. 6 C institutes
Show, the imaging lens 100b of the present embodiment can be adapted to eliminate residual aberration to provide good image quality.
Fig. 7 is a kind of schematic diagram of imaging lens of another embodiment of the present invention.Please refer to Fig. 7, the imaging of the present embodiment
Camera lens 100c is similar to the imaging lens 100 of Fig. 1, and it further includes the 11st lens that main difference, which is in this imaging lens 100c,
G12 is configured between the 7th lens G7 and the 8th lens G8.And the 11st lens G12 is for example with negative diopter.It is specific next
It says, the 11st lens G12 of the present embodiment is falcate concavees lens, wherein the surface towards Zoom Side of the 11st lens G12
S24 is concave curved surface, and the surface S25 towards reduced side is convex surface, in addition, in other embodiments, the 11st lens G12
Falcate concavees lens are not limited to, the 11st lens G12 can also be other kinds of concavees lens, such as：Plano-concave lens and concave-concave
Lens etc..In other embodiments, the 11st above-mentioned lens G12 can also be configured the 6th lens G6 and the 7th lens G7 it
Between, or in the both sides of the 7th lens G7 respectively add a piece of lens with negative diopter.
Table four will enumerate an embodiment of each parameter of imaging lens 100c.It is noted that data listed in table four
Data is not limited to the present invention, and any those of ordinary skill in the art is after with reference to the present invention, when can
Change appropriate is done to its parameter or setting, precisely because it should belong in scope of the invention.
Table four
Fig. 8 A are the astigmatism and curvature of field figure of an embodiment of the imaging lens of Fig. 7, and Fig. 8 B are a realities of the imaging lens of Fig. 7
The distortion figure of example is applied, and Fig. 8 C are the modulation transfer function figures of an embodiment of the imaging lens of Fig. 7.Such as Fig. 8 A to Fig. 8 C institutes
Show, the imaging lens 100c of the present embodiment can mitigate the change trend of the light beam by the 7th lens G7, provide it is good at
As quality.
Fig. 9 is a kind of schematic diagram of imaging lens of another embodiment of the present invention.Please refer to Fig. 9, the imaging of the present embodiment
Camera lens 100d is similar to the imaging lens 100 of Fig. 1, and it further includes the 11st lens that main difference, which is in this imaging lens 100d,
G13 is configured between aperture diaphragm SA and the 5th lens G5, and the 11st lens G13 is for example with positive diopter, so at certain
Under a little applicable cases, help to correct the excessive caused aberration of beam incident angle.Specifically, the 11st of the present embodiment the is saturating
Mirror G13 is, for example, biconvex lens, i.e. the surface S26 towards Zoom Side of the 11st lens G13 and surface S27 towards reduced side
Such as be all convex surface, in addition, in other embodiments, the 11st lens G13 is also not necessarily limited to biconvex lens, the 11st lens
G13 can also be other kinds of convex lens, such as：Positive meniscus lens and planoconvex spotlight etc..In addition, above-mentioned the 11st is saturating
Mirror G13 also can respectively add a piece of lens with positive diopter in the both sides of aperture diaphragm SA.
Table five will enumerate an embodiment of each parameter of imaging lens 100d.It is noted that data listed in table five
Data is not limited to the present invention, and any those of ordinary skill in the art is after with reference to the present invention, when can
Change appropriate is done to its parameter or setting, precisely because it should belong in scope of the invention.
Table five
Figure 10 A are the astigmatism and curvature of field figure of an embodiment of the imaging lens of Fig. 9, and Figure 10 is the one of the imaging lens of Fig. 9
The distortion figure of embodiment, and Figure 10 C are the modulation transfer function figures of an embodiment of the imaging lens of Fig. 9.Such as Figure 10 A to figure
Shown in 10C, the imaging lens 100d of the present embodiment is suitable for eliminating aberration caused by due to beam incident angle is excessive, good to provide
Image quality.
Figure 11 is a kind of schematic diagram of imaging lens of another embodiment of the present invention.Please refer to Figure 11, the present embodiment at
As camera lens 100e is similar to the imaging lens 100 of Fig. 1, it further includes the 11st lens that main difference, which is in this imaging lens 100e,
G14 is configured between the 4th lens G4 and aperture diaphragm SA, and the 11st lens G14 is for example with positive diopter, so at certain
Under a little applicable cases, help to correct the excessive caused aberration of beam incident angle.Specifically, the 11st of the present embodiment the is saturating
Mirror G14 is, for example, positive meniscus lens, i.e. the surface S28 towards Zoom Side of the 11st lens G14 is, for example, convex surface, and face
It is, for example, concave curved surface to the surface S29 of reduced side.
It should be mentioned that the first lens G1 ' and the 4th lens G4 " in the present embodiment are with biconcave lens and plano-concave respectively
For lens.It is, the surface S1 ' towards Zoom Side and the surface S2 ' towards reduced side of the first lens G1 ' are for example
Concave curved surface.The surface S7 ' towards Zoom Side of 4th lens G4 " is, for example, plane, and the surface S8 ' towards reduced side is, for example,
Concave curved surface.But the first lens G1 ' and the 4th lens G4 ", in other embodiments, the first lens are not limited in the present invention
G1 ' and the 4th lens G4 " can also be other kinds of concavees lens.
Table six will enumerate an embodiment of each parameter of imaging lens 100e.It is noted that data listed in table six
Data is not limited to the present invention, and any those of ordinary skill in the art is after with reference to the present invention, when can
Change appropriate is done to its parameter or setting, precisely because it should belong in scope of the invention.
Table six
Figure 12 A are the astigmatism and curvature of field figure of an embodiment of the imaging lens of Figure 11, and Figure 11 is the imaging lens of Figure 10
The distortion figure of one embodiment, and Figure 12 C are the modulation transfer function figures of an embodiment of the imaging lens of Figure 11.Extremely such as Figure 12 A
Shown in Figure 12 C, the imaging lens 100e of the present embodiment is suitable for eliminating aberration caused by due to beam incident angle is excessive, good to provide
Good image quality.
In addition, although the 11st lens G14 of imaging lens 100e is by taking positive meniscus lens as an example, in the present invention
Other embodiment in, the 11st lens G14 can also be other kinds of convex lens, e.g. biconvex lens and planoconvex spotlight
Deng.
Figure 13 is a kind of schematic diagram of imaging lens of another embodiment of the present invention.Please refer to Figure 13, the present embodiment at
As camera lens 100f is similar to the imaging lens 100e of Figure 11, it is biconvex lens that main difference, which is in the 11st lens G14 ',.Tool
For body, the surface S28 ' towards Zoom Side and the surface S29 ' towards reduced side of the 11st lens G14 ' are for example evaginations
Face.In addition, the first lens G1 " and the 4th lens G4 " ' is by taking plano-concave lens and biconcave lens as an example respectively.It is, first is saturating
The surface S1 " towards Zoom Side and the surface S2 " towards reduced side of mirror G1 " is for example concave curved surface.4th lens G4's " '
Surface S7 " towards Zoom Side is, for example, plane, and the surface S8 " towards reduced side is, for example, concave curved surface.
Table seven will enumerate an embodiment of each parameter of imaging lens 100f.It is noted that data listed in table seven
Data is not limited to the present invention, and any those of ordinary skill in the art is after with reference to the present invention, when can
Change appropriate is done to its parameter or setting, precisely because it should belong in scope of the invention.
Table seven
By said lens parameter designing, although the 11st lens G14 ' selections of the imaging lens 100f of the present embodiment are double
Convex lens, but the image quality for being same as imaging lens 100e can be also provided,
That is the astigmatism as shown in figure 12 A to figure 12 C and curvature of field figure, distortion figure and modulation transfer function figure.
Figure 14 is a kind of schematic diagram of imaging lens of another embodiment of the present invention.Please refer to Figure 14, the present embodiment at
As camera lens 100g is similar to the imaging lens 100 of Fig. 1, it further includes the 11st lens that main difference, which is in this imaging lens 100g,
G15 is configured between the tenth lens G10 and reduced side, and the 11st lens G15 is for example with positive diopter, so certain
Under applicable cases, help to correct the excessive caused aberration of beam incident angle.Specifically, the 11st lens of the present embodiment
G12 is, for example, planoconvex spotlight, i.e. the surface S30 towards Zoom Side of the 11st lens G15 is, for example, convex surface, and towards reduced side
Surface S31 be, for example, plane.
Table eight will enumerate an embodiment of each parameter of imaging lens 100g.It is noted that data listed in table eight
Data is not limited to the present invention, and any those of ordinary skill in the art is after with reference to the present invention, when can
Change appropriate is done to its parameter or setting, precisely because it should belong in scope of the invention.
Table eight
Figure 15 A are the astigmatism and curvature of field figure of an embodiment of the imaging lens of Figure 14, and Figure 15 B are the imaging lens of Figure 14
The distortion figure of one embodiment, and Figure 15 C are the modulation transfer function figures of an embodiment of the imaging lens of Figure 14.Extremely such as Figure 15 A
Shown in Figure 15 C, the imaging lens 100g of the present embodiment is suitable for eliminating aberration caused by due to beam incident angle is excessive, good to provide
Good image quality.
In addition, although the 11st lens G15 of imaging lens 100g is by taking planoconvex spotlight as an example, in its of the present invention
In his embodiment, the 11st lens G15 can also be other kinds of convex lens, e.g. positive meniscus lens and biconvex lens
Deng.
Figure 16 is a kind of schematic diagram of imaging lens of another embodiment of the present invention.Please refer to Figure 16, the present embodiment at
As camera lens 100h is similar to the imaging lens 100g of Figure 14, it is falcate convex lens that main difference, which is in the 11st lens G15 ',
Mirror.Specifically, the surface S30 ' towards Zoom Side of the 11st lens G15 ' is, for example, convex surface, and the table towards reduced side
Face S31 ' is for example concave curved surface.
Table nine will enumerate an embodiment of each parameter of imaging lens 100h.It is noted that data listed in table nine
Data is not limited to the present invention, and any those of ordinary skill in the art is after with reference to the present invention, when can
Change appropriate is done to its parameter or setting, precisely because it should belong in scope of the invention.
Table nine
By said lens parameter designing, although the 11st lens G15 ' selections of the imaging lens 100h of the present embodiment are curved
Month shape convex lens, but the image quality for being same as imaging lens 100g can be also provided, the i.e. astigmatism as shown in Figure 15 A to Figure 15 C
With curvature of field figure, distortion figure and modulation transfer function figure.
For make imaging lens have good image quality, in addition to the other lenses cited by above-described embodiment configuration it
Outside, in other embodiments, one or more pieces other lenses can also be configured at one of lower column position：Second lens G2 with
Between the third lens G3, between the 9th lens G9 and the tenth lens G10.Specifically, a piece of the can be arranged in above-mentioned each position
11 lens or multi-disc other lenses contribute to this imaging len to provide good image quality.It should be mentioned that thoroughly the tenth
The both sides of mirror G10 can also increase one or more pieces other lenses, this imaging lens can be used in the application of certain super large apertures.
Include ten lens in the imaging lens of the embodiment of the present invention, due to the lens tool arranged in Zoom Side to reduced side
Have a diopter, and according to sequence be respectively provided with it is negative, positive, positive and negative, negative, positive, just, positive and negative, positive diopter, so this imaging lens
Head can provide good image quality.In addition, the imaging lens of the embodiment of the present invention are because with saturating with the 4th by the third lens
The third compound lens of microscope group synthesis, can be to eliminate aberration, and helps to provide good image quality.In addition, of the invention
Other lenses of the imaging lens of embodiment because may also include one or more pieces, it helps good image quality is provided.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the method and technique content using the disclosure above make it is a little more
Equivalent embodiment that is dynamic or being modified to equivalent variations, as long as being the content without departing from technical solution of the present invention, according to the present invention
Technical spirit still falls within technical solution of the present invention to any simple modification, equivalent change and modification made by above example
In the range of.
Claims (10)
1. an imaging lens, which is characterized in that include from one first lens of a Zoom Side to a reduced side sequential, one
Two lens, a third lens, one the 4th lens, one the 5th lens, one the 6th lens, one the 7th lens, one the 8th lens, one
Nine lens and 1 the tenth lens, wherein first lens, the 4th lens, the 5th lens and the described 9th are thoroughly
Mirror is respectively provided with negative diopter, second lens, the third lens, the 6th lens, the 7th lens, described
Eight lens and the tenth lens are respectively provided with positive diopter.
2. imaging lens as described in claim 1, which is characterized in that first lens have a concave surface towards the diminution
Side or the Zoom Side, and first lens are falcate concavees lens, plano-concave lens or biconcave lens；Second lens are
Biconvex lens；The third lens have one convex surface facing the Zoom Side, and the third lens are positive meniscus lens；Institute
It is falcate concavees lens, plano-concave lens or biconcave lens to state the 4th lens；5th lens form one with the 6th lens
First compound lens, and the joint surface of the 5th lens and the 6th lens is curved surface；7th lens are lenticular
Mirror；8th lens form one second compound lens, and the 8th lens and the 9th lens with the 9th lens
Joint surface be curved surface；Tenth lens have one convex surface facing the Zoom Side or the reduced side, and the described tenth thoroughly
Mirror is biconvex lens, planoconvex spotlight or positive meniscus lens.
3. imaging lens as claimed in claim 2, which is characterized in that the third lens and the 4th lens composition 1 the
Triplex lens, and the joint surface of the third lens and the 4th lens is curved surface.
4. imaging lens as described in claim 1, which is characterized in that the imaging lens further include an aperture diaphragm, configuration
Between the 4th lens and the 5th lens.
5. imaging lens as claimed in claim 4, which is characterized in that the imaging lens further include 1 the 11st lens, are matched
It is placed in one of lower column position：Between first lens and second lens, the 7th lens with the described 8th thoroughly
Between mirror, between the tenth lens and the reduced side, between the 4th lens and the aperture diaphragm, the aperture light
It is late between the 5th lens.
6. imaging lens as claimed in claim 5, which is characterized in that the 11st lens be configured at first lens with
Between second lens or between the 7th lens and the 8th lens, the 11st lens have negative diopter.
7. imaging lens as claimed in claim 5, which is characterized in that the 11st lens be configured at the 4th lens with
Between the aperture diaphragm or between the aperture diaphragm and the 5th lens, the 11st lens have positive diopter.
8. imaging lens as claimed in claim 5, which is characterized in that the 11st lens be configured at first lens with
Between second lens, the material of the 11st lens includes crown glass.
9. imaging lens as described in claim 1, which is characterized in that the material of first lens includes flint glass or crown
Glass；The material of second lens includes crown glass；The material of the third lens includes dense flint glass；Described 4th thoroughly
The material of mirror includes flint glass or crown glass；The material of one of 5th lens and the 6th lens includes weight fire
Stone glass, the 5th lens and wherein another material of the 6th lens include crown glass；The material of 7th lens
Including dense flint glass；The material of one of 8th lens and the 9th lens includes flint glass, and the described 8th
Lens and wherein another material of the 9th lens include crown glass；The material of tenth lens includes crown glass.
10. imaging lens as described in claim 1, which is characterized in that the full filed angle of the imaging lens between 10 degree extremely
Between 100 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710270032.7A CN108732717B (en) | 2017-04-24 | 2017-04-24 | Imaging lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710270032.7A CN108732717B (en) | 2017-04-24 | 2017-04-24 | Imaging lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108732717A true CN108732717A (en) | 2018-11-02 |
| CN108732717B CN108732717B (en) | 2020-09-29 |
Family
ID=63934259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710270032.7A Active CN108732717B (en) | 2017-04-24 | 2017-04-24 | Imaging lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108732717B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109491046A (en) * | 2018-11-27 | 2019-03-19 | 南京信息职业技术学院 | A kind of super large clear aperature lens construction for X-ray machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61259217A (en) * | 1985-05-14 | 1986-11-17 | Canon Inc | Magnification varying method for zoom lens |
| CN101354478A (en) * | 2007-07-23 | 2009-01-28 | 扬明光学股份有限公司 | Focus fixing lens |
| US20090040623A1 (en) * | 2007-05-10 | 2009-02-12 | Masaru Morooka | Image pickup apparatus having wide angle zoom lens system |
| TW201000955A (en) * | 2008-06-20 | 2010-01-01 | Hon Hai Prec Ind Co Ltd | Optical zoom lens |
| CN102109665A (en) * | 2009-12-25 | 2011-06-29 | 佳能株式会社 | Zoom lens and image pickup apparatus including the same |
| JP2014048590A (en) * | 2012-09-03 | 2014-03-17 | Ricoh Co Ltd | Wide converter lens |
| US20140211074A1 (en) * | 2013-01-30 | 2014-07-31 | Olympus Imaging Corp. | Zoom Lens and Image Pickup Apparatus Using the Same |
| CN106291887A (en) * | 2016-09-12 | 2017-01-04 | 嘉兴中润光学科技有限公司 | A kind of fish eye lens |
| CN205958826U (en) * | 2016-05-25 | 2017-02-15 | 福建浩蓝光电有限公司 | Low ten million pixel 8. 5mm tight shot of distortion in big visual field |
-
2017
- 2017-04-24 CN CN201710270032.7A patent/CN108732717B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61259217A (en) * | 1985-05-14 | 1986-11-17 | Canon Inc | Magnification varying method for zoom lens |
| US20090040623A1 (en) * | 2007-05-10 | 2009-02-12 | Masaru Morooka | Image pickup apparatus having wide angle zoom lens system |
| CN101354478A (en) * | 2007-07-23 | 2009-01-28 | 扬明光学股份有限公司 | Focus fixing lens |
| TW201000955A (en) * | 2008-06-20 | 2010-01-01 | Hon Hai Prec Ind Co Ltd | Optical zoom lens |
| CN102109665A (en) * | 2009-12-25 | 2011-06-29 | 佳能株式会社 | Zoom lens and image pickup apparatus including the same |
| JP2014048590A (en) * | 2012-09-03 | 2014-03-17 | Ricoh Co Ltd | Wide converter lens |
| US20140211074A1 (en) * | 2013-01-30 | 2014-07-31 | Olympus Imaging Corp. | Zoom Lens and Image Pickup Apparatus Using the Same |
| CN205958826U (en) * | 2016-05-25 | 2017-02-15 | 福建浩蓝光电有限公司 | Low ten million pixel 8. 5mm tight shot of distortion in big visual field |
| CN106291887A (en) * | 2016-09-12 | 2017-01-04 | 嘉兴中润光学科技有限公司 | A kind of fish eye lens |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109491046A (en) * | 2018-11-27 | 2019-03-19 | 南京信息职业技术学院 | A kind of super large clear aperature lens construction for X-ray machine |
| CN109491046B (en) * | 2018-11-27 | 2021-03-05 | 南京信息职业技术学院 | Super-large clear aperture lens structure for X-ray machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108732717B (en) | 2020-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11042008B2 (en) | Imaging lens | |
| CN105487206B (en) | Optical imaging system | |
| CN103913824B (en) | Taking lens and the capture apparatus using the taking lens | |
| TWI533018B (en) | Fixed-focus lens | |
| CN105022145B (en) | Image capturing optical system, image capturing device and mobile terminal | |
| CN103309025B (en) | Zoom lens and the capture apparatus including the zoom lens | |
| CN104977699B (en) | Pick-up lens | |
| CN106483628A (en) | Optical imaging system | |
| TWI404971B (en) | Zoom lens | |
| TWI556006B (en) | Projection apparatus and projection lens | |
| CN104199176A (en) | Oversized field-of-view lens for monitoring system | |
| CN110398819A (en) | Camera optical camera lens | |
| CN103163636A (en) | Zoom projection lens | |
| CN107589517A (en) | Imaging lens | |
| CN205992078U (en) | Imaging lens | |
| CN101833160B (en) | Image taking optical lens system | |
| CN108845417A (en) | One kind disappears parallax machine vision optical system | |
| CN108732717A (en) | Imaging lens | |
| CN108205189B (en) | Microspur varifocal optical system | |
| CN106154523B (en) | Zoom lens | |
| CN106094183A (en) | Focusing-style optical imaging system in a kind of high picture element | |
| CN104076493B (en) | Projection arrangement | |
| CN105759403A (en) | Micro projection lens | |
| CN105044892B (en) | Zoom lens and zoom lens module | |
| CN103869455B (en) | Zoom lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190401 Address after: 110000 Meijiang Street 55451, Huanggu District, Shenyang City, Liaoning Province Applicant after: Shenyang Zhenrui Optical Technology Co., Ltd. Address before: Pate road in Taipei city of Taiwan Chinese district is a 43 Lane 28 Building No. 3 Applicant before: Huang Junyu Applicant before: Du Yu |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190708 Address after: Room 302, 111 Mulu Road, Shenhe District, Shenyang City, Liaoning Province Applicant after: Shenyang Ruoming Optical Technology Co., Ltd. Address before: 110000 Meijiang Street 55451, Huanggu District, Shenyang City, Liaoning Province Applicant before: Shenyang Zhenrui Optical Technology Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210115 Address after: 110000 Room 301, 111 heme Road, Shenhe District, Liaoyang City, Liaoning Province Patentee after: Shenyang Zhenrui Optical Technology Co.,Ltd. Address before: Room 302, 111 Mulu Road, Shenhe District, Shenyang City, Liaoning Province Patentee before: Shenyang Ruoming Optical Technology Co.,Ltd. |