CN110346899A - Glass modeling mixing tight shot - Google Patents
Glass modeling mixing tight shot Download PDFInfo
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- CN110346899A CN110346899A CN201910577894.3A CN201910577894A CN110346899A CN 110346899 A CN110346899 A CN 110346899A CN 201910577894 A CN201910577894 A CN 201910577894A CN 110346899 A CN110346899 A CN 110346899A
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- lens
- glass
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- mixing tight
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- 239000011521 glass Substances 0.000 title claims abstract description 83
- 239000000571 coke Substances 0.000 claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 5
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 238000005286 illumination Methods 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 5
- 230000004075 alteration Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000010226 confocal imaging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
Classifications
-
- 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
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
-
- 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
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/14—Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
Abstract
The present invention relates to a kind of glass to mould mixing tight shot, it is made of glass lens and plastic lens, comprising: the first lens (1), diaphragm (S), the second lens (2), the third lens (3), the 4th lens (4), the 5th lens (5) and the 6th lens (6) being arranged successively along optical axis from object side to image side；First lens (1), second lens (2) and the 6th lens (6) are negative-power lenses；The third lens (3) and the 5th lens (5) are positive power lens；4th lens (4) are positive or negative-power lenses.Camera lens of the invention has large aperture, day and night confocal, not empty coke in -40 DEG C~85 DEG C temperature ranges feature.
Description
Technical field
The present invention relates to optical imaging field more particularly to a kind of glass modeling mixing tight shots.
Background technique
With the fast development of science and technology, optical lens is required higher and higher.Most of tight shot currently on the market
It is excellent, day and night confocal to cannot achieve large aperture, high temperature performance；Or large aperture may be implemented, but there are prices more expensive, clarity
The disadvantages of not high.Therefore, the present invention is directed to propose a solution for disadvantage mentioned above, a kind of large aperture is provided, day and night altogether
Burnt, not empty coke in -40 DEG C~85 DEG C temperature ranges 4K camera lens.
Summary of the invention
The purpose of the present invention is to solve the above problem, provides a kind of glass modeling mixing tight shot.
To achieve the above object, the present invention provides a kind of glass modeling mixing tight shot, by glass lens and plastic lens group
At, comprising: the first lens for being arranged successively along optical axis from object side to image side, diaphragm, the second lens, the third lens, the 4th lens,
5th lens and the 6th lens；
First lens, second lens and the 6th lens are negative-power lenses；
The third lens and the 5th lens are positive power lens；
4th lens are positive or negative-power lenses.
According to an aspect of the present invention, along the direction of object side to image side,
First lens are male-female lens；
The third lens are convex-convex lens；
5th lens are convex-convex lens；
According to an aspect of the present invention, the 4th lens are positive power lens；
Second lens and the third lens composition have the cemented doublet of positive light coke.
According to an aspect of the present invention, the 4th lens are negative-power lenses；
Second lens, the third lens and the 4th lens composition have three balsaming lens of positive light coke.
According to an aspect of the present invention, the effective focal length f of the combined focal length fb of three balsaming lens and the camera lens
Meet relational expression: 1.0≤fb/f≤2.0.
According to an aspect of the present invention, first lens in the camera lens, the 5th lens and the described 6th
At least one piece is plastic aspheric lenes in lens.
According to an aspect of the present invention, in the glass lens, the Abbe of at least one piece glass lens meets
Following relationship: VD >=60.
According to an aspect of the present invention, the effective focal length f of the camera lens and the first lens (1) object side are described in
The distance D of the image planes of camera lens meets relational expression: f/D >=0.26.
According to an aspect of the present invention, half image height h of the camera lens and the effective focal length f of the camera lens meet relationship
Formula: f/h≤2.16.
According to an aspect of the present invention, the focal length f1 of first lens and second lens, the third lens,
The combined focal length fn of 4th lens, the 5th lens and the 6th lens meets relational expression: -3.0≤f1/fn≤-
2.0。
According to an aspect of the present invention, relative aperture meets relational expression: FNO≤2.1.
According to an aspect of the present invention, the Abbe number v6 of the Abbe v5 of the 5th lens and the 6th lens
Meet following relationship: | v5-v6 | >=29.
Camera lens according to the present invention moulds mixed lens set-up mode using glass, reduces production cost.And by excellent
Change the structure and positive negative power for configuring each lens, corrects aberration effectively, and can be realized at -40 DEG C~85 DEG C
Not empty coke in temperature range, overcomes plastic aspheric lenes since the coefficient of expansion is big, is easy to cause coke under high and low temperature environment
The difficulty of point drift.And single component and assembling tolerance are preferable, there is good manufacturing.And camera lens of the present invention can realize big light
Circle, and meet 4K image output request, guarantee high-resolution under large aperture.And image planes height is up to Φ 8.8mm, and it is whole to shine
Uniformly, brightness is high (40% or more relative illumination) for degree.And it can be realized confocal in visible light wave range to infrared waves segment limit
Imaging.
Detailed description of the invention
Fig. 1 is the glass modeling mixing tight shot structure chart for schematically showing embodiment according to the present invention one；
Fig. 2 is the MTF figure for schematically showing the glass modeling mixing tight shot of embodiment according to the present invention one；
Fig. 3 is to schematically show that the glass modeling mixing tight shot frequency of embodiment according to the present invention one is 120lp/mm
Through-Focus-MTF figure；
Fig. 4 is the ray fan figure for schematically showing the glass modeling mixing tight shot of embodiment according to the present invention one；
Fig. 5 is schematically shown under the glass modeling mixing tight shot infrared band of embodiment according to the present invention one
Through-Focus-MTF figure；
Fig. 6 is the glass modeling mixing tight shot structure chart for schematically showing embodiment according to the present invention two；
Fig. 7 is the MTF figure for schematically showing the glass modeling mixing tight shot of embodiment according to the present invention two；
Fig. 8 is to schematically show that the glass modeling mixing tight shot frequency of embodiment according to the present invention two is 120lp/mm
Through-Focus-MTF figure；
Fig. 9 is the ray fan figure for schematically showing the glass modeling mixing tight shot of embodiment according to the present invention two；
Figure 10 is schematically shown under the glass modeling mixing tight shot infrared band of embodiment according to the present invention two
Through-Focus-MTF figure；
Figure 11 is the glass modeling mixing tight shot structure chart for schematically showing embodiment according to the present invention three；
Figure 12 is the MTF figure for schematically showing the glass modeling mixing tight shot of embodiment according to the present invention three；
Figure 13 is to schematically show that the glass modeling mixing tight shot frequency of embodiment according to the present invention three is 120lp/
The Through-Focus-MTF of mm schemes；
Figure 14 is the ray fan figure for schematically showing the glass modeling mixing tight shot of embodiment according to the present invention three；
Figure 15 is schematically shown under the glass modeling mixing tight shot infrared band of embodiment according to the present invention three
Through-Focus-MTF figure；
Figure 16 is the glass modeling mixing tight shot structure chart for schematically showing embodiment according to the present invention four；
Figure 17 is the MTF figure for schematically showing the glass modeling mixing tight shot of embodiment according to the present invention four；
Figure 18 is to schematically show that the glass modeling mixing tight shot frequency of embodiment according to the present invention four is 120lp/
The Through-Focus-MTF of mm schemes；
Figure 19 is the ray fan figure for schematically showing the glass modeling mixing tight shot of embodiment according to the present invention four；
Figure 20 is schematically shown under the glass modeling mixing tight shot infrared band of embodiment according to the present invention four
Through-Focus-MTF figure；
Figure 21 is the glass modeling mixing tight shot structure chart for schematically showing embodiment according to the present invention five；
Figure 22 is the MTF figure for schematically showing the glass modeling mixing tight shot of embodiment according to the present invention five；
Figure 23 is to schematically show that the glass modeling of embodiment according to the present invention five mixes tight shot in frequency and is
The Through-Focus-MTF of 120lp/mm schemes；
Figure 24 is the ray fan figure for schematically showing the glass modeling mixing tight shot of embodiment according to the present invention five；
Figure 25 is schematically shown under the glass modeling mixing tight shot infrared band of embodiment according to the present invention five
Through-Focus-MTF figure.
Specific embodiment
It, below will be to embodiment in order to illustrate more clearly of embodiment of the present invention or technical solution in the prior art
Needed in attached drawing be briefly described.It should be evident that the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skills without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
When being described for embodiments of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
" rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", orientation or positional relationship expressed by "outside" are based on phase
Orientation or positional relationship shown in the drawings is closed, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore above-mentioned term cannot
It is interpreted as limitation of the present invention.
The present invention is described in detail with reference to the accompanying drawings and detailed description, embodiment cannot go to live in the household of one's in-laws on getting married one by one herein
It states, but therefore embodiments of the present invention are not defined in following implementation.
Fig. 1 is the glass modeling mixing tight shot structure chart for schematically showing a kind of embodiment according to the present invention.Such as Fig. 1
Shown, of the invention glass modeling mixing tight shot, is made of glass lens and plastic lens, comprising: along optical axis from object side to picture
The first lens 1, diaphragm S, the second lens 2, the third lens 3, the 4th lens 4, the 5th lens 5 and the 6th lens that side is arranged successively
6.In the present invention, the first lens 1, the second lens 2 and the 6th lens 6 are negative-power lenses, the third lens 3 and the 5th lens 5
For positive power lens.When the 4th lens 4 are positive power lens, the second lens 2 have just with the glued composition of the third lens 3
The cemented doublet of focal power, and the 4th lens 4 are individually for one group.When the 4th lens 4 are negative-power lenses, the second lens
2, the third lens 3 and the glued composition of the 4th lens 4 have three balsaming lens of positive light coke.The positive and negative of each lens is arranged such
Focal power corrects aberration effectively.
In the present invention, along the direction of object side to image side, the first lens 1 are male-female lens；Second lens 2 are that male-female is saturating
Mirror；The third lens 3 are convex-convex lens；4th lens 4 are concave-convex lens or convex-convex lens；5th lens 5 are convex-convex lens；
6th lens 6 are concave-concave lens.
In the present invention, at least one piece is plastic cement aspheric in the first lens 1, the 5th lens 5 and the 6th lens 6 in camera lens
Face lens.And aspherical meet following equation:
In formula, z be the height along optical axis direction, perpendicular to optical axis be at the position of h curved surface to the axial distance on vertex；c
Indicate the curvature of non-spherical surface apex；K is circular cone coefficient；A4, A6, A8, A10, A12, A14, A16 are respectively indicated
Quadravalence, six ranks, eight ranks, ten ranks, ten second orders, ten quadravalences, 16 rank asphericity coefficients.
The camera lens of such as above-mentioned setting reduces production cost, and can be realized in -40 DEG C~85 DEG C temperature ranges not
It is empty burnt, plastic aspheric lenes is overcome since the coefficient of expansion is big, is easy to cause the difficulty of focus drifting under high and low temperature environment.
And single component and assembling tolerance are preferable, there is good manufacturing.
In addition, half image height h of glass modeling mixing tight shot and the effective focal length f of camera lens of the invention meets relational expression: f/h
≤2.16.The focal length f1 of first lens 1 and the second lens 2, the third lens 3, the 4th lens 4, the 5th lens 5 and the 6th lens 6
Combined focal length fn meet relational expression: -3.0≤f1/fn≤- 2.0.The combination of second lens 2, the third lens 3 and the 4th lens 4
The effective focal length f of focal length fb and camera lens meets relational expression: 1.0≤fb/f≤2.0.1 object of effective focal length f and the first lens of camera lens
The distance D of image planes of side to camera lens meets relational expression: f/D >=0.26.Relative aperture meets relational expression: FNO≤2.1.
The Abbe v5 of 5th lens 5 and the Abbe number v6 of the 6th lens 6 meet following relationship: | v5-v6 | >=29.
In camera lens of the invention, the Abbe of at least one piece glass lens meets following relationship: VD >=60.
In summary it is arranged, camera lens of the present invention can realize large aperture, and meet 4K image output request, protect under large aperture
Demonstrate,prove high-resolution.And the image planes height of camera lens of the present invention is up to Φ 8.8mm, whole uniform-illumination, brightness height (relative illumination
40% or more).And camera lens of the present invention can be realized the confocal imaging in visible light wave range to infrared waves segment limit.
Five groups of specific embodiments are provided below according to above-mentioned setting of the invention to illustrate glass according to the present invention
Modeling mixing tight shot.Because of the shared six-element lens of glass modeling mixing tight shot according to the present invention, in embodiment one to four,
Second lens 2, the third lens 3 and three balsaming lens of glued composition of the 4th lens 4, along with diaphragm S, the imaging surface IMA of camera lens
And the face of the plate filter IR between imaging surface IMA and lens, 14 faces altogether.And in embodiment five, 2 He of the second lens
3 gluing unit of the third lens is individually for one group at cemented doublet, the 4th lens 4, along with diaphragm S, camera lens imaging surface IMA with
And the face of the plate filter IR between imaging surface IMA and lens, 15 faces altogether.For the ease of narration explanation, each face is compiled
Number by be S1 to S15.
Data in five groups of embodiment data such as the following table 1:
| Conditional | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| -3.0≤f1/fn≤-2.0 | -2.28922 | -2.02151 | -2.12691 | -2.58869 | -2.9915 |
| 1.0≤fb/f≤2.0 | 1.449196 | 1.428591 | 1.912113 | 1.085644 | / |
| f/D≥0.26 | 0.306733 | 0.312796 | 0.264899 | 0.275095 | 0.373254 |
| f/h≤2.16 | 2.086168 | 2.100239 | 2.061856 | 1.94 | 2.151868 |
| FNO≤2.1 | 1.5 | 2.1 | 1.7 | 1.8 | 1.7 |
| |v5-v6|≥29 | 31.7 | 29.3 | 34.2 | 32.1 | 46.37 |
Table 1
Embodiment one:
Fig. 1 is the glass modeling mixing tight shot structure chart for schematically showing embodiment according to the present invention one.
Aperture FNO=1.5 in embodiment one.
Following table 2 lists the relevant parameter of each lens of present embodiment, including surface type, radius of curvature, thickness, material
The refractive index of material, Abbe number:
| Face serial number | Surface type | R value | Thickness | Refractive index | Abbe number |
| S1 | It is aspherical | 5.5268 | 2.0000 | 1.53 | 56.1 |
| S2 | It is aspherical | 3.0186 | 3.6124 | ||
| S3(STO) | Spherical surface | Infinity | 2.9470 | ||
| S4 | Spherical surface | 43.7643 | 1.0000 | 1.50 | 70.4 |
| S5 | Spherical surface | 6.5099 | 5.0050 | 1.59 | 68.6 |
| S6 | Spherical surface | -5.7785 | 0.7000 | 1.61 | 60.2 |
| S7 | Spherical surface | -10.3829 | 0.1000 | ||
| S8 | It is aspherical | 7.1168 | 2.7900 | 1.52 | 55.7 |
| S9 | It is aspherical | -9.4623 | 0.2919 | ||
| S10 | It is aspherical | -8.6488 | 2.9600 | 1.64 | 24.0 |
| S1 | It is aspherical | 14.4448 | 2.0000 | ||
| S12 | Spherical surface | Infinity | 0.8 | 1.52 | 64.2 |
| S13 | Spherical surface | Infinity | 3.7422 | ||
| S14(IMA) | Spherical surface | Infinity |
Table 2
In the present embodiment, aspherical surface data is as shown in table 3 below, wherein K be the surface quadratic surface constant, A, B,
C, D, E, F, G be respectively quadravalence, six ranks, eight ranks, ten ranks, ten second orders, ten quadravalences, 16 ranks asphericity coefficient:
| Face serial number | K | A | B | C | D | E | F | G |
| S1 | -1.54E-01 | -2.07E-03 | -4.37E-05 | 1.64E-06 | 8.33E-08 | -2.10E-09 | 0 | 0 |
| S2 | -5.82E-01 | -3.43E-03 | -9.47E-05 | -6.63E-06 | 8.86E-07 | -3.21E-08 | 0 | 0 |
| S8 | -7.07E-01 | 4.60E-05 | 5.63E-06 | -1.68E-06 | 9.27E-08 | -3.10E-09 | 0 | 0 |
| S9 | 0.00E+00 | 1.02E-03 | 6.69E-05 | 1.04E-05 | 4.14E-07 | 6.09E-09 | 0 | 0 |
| S10 | 0.00E+00 | 3.32E-03 | 9.01E-05 | -1.24E-05 | 5.10E-07 | -6.61E-09 | 0 | 0 |
| S11 | 0.00E+00 | 4.20E-04 | 5.10E-05 | -1.78E-06 | 2.63E-08 | 2.95E-09 | 0 | 0 |
Table 3
Fig. 2 to Fig. 5 schematically shows the MTF of the glass modeling mixing tight shot of embodiment according to the present invention one respectively
Figure；The Through-Focus-MTF that the glass modeling mixing tight shot frequency of embodiments of the present invention one is 120lp/mm schemes；This
The rayfan figure of the glass modeling mixing tight shot of the embodiment one of invention；The glass modeling mixing fixed-focus of embodiments of the present invention one
Through-Focus-MTF figure under camera lens infrared band.
The camera lens of present embodiment realizes the characteristic of high-resolution, high pixel it can be seen from Fig. 2 to Fig. 5, and simultaneous
Day and night confocal and not empty coke within the temperature range of -40 DEG C to 85 DEG C characteristic has been cared for, while having met large aperture, has expanded product
Use scope.
Embodiment two:
Fig. 6 is the glass modeling mixing tight shot structure chart for schematically showing embodiment according to the present invention two.
Aperture FNO=2.1 in embodiment two.
Following table 4 lists the relevant parameter of each lens of present embodiment, including surface type, radius of curvature, thickness, material
The refractive index of material, Abbe number:
| Face serial number | Surface type | R value | Thickness | Refractive index | Abbe number |
| S1 | It is aspherical | 5.8174 | 2.1047 | 1.53 | 56.1 |
| S2 | It is aspherical | 3.0147 | 5.0017 | ||
| S3(STO) | Spherical surface | Infinity | 2.3541 | ||
| S4 | Spherical surface | 40 | 1.2045 | 1.49 | 70.4 |
| S5 | Spherical surface | 5.4727 | 4.0540 | 1.59 | 69.6 |
| S6 | Spherical surface | -5.5516 | 0.5999 | 1.64 | 60.2 |
| S7 | Spherical surface | -10.1443 | 0.0998 | ||
| S8 | It is aspherical | 7.4154 | 3.7775 | 1.54 | 54.2 |
| S9 | It is aspherical | -8.5581 | 0.3010 | ||
| S10 | It is aspherical | -8.5810 | 2.6241 | 1.64 | 24.9 |
| S11 | It is aspherical | 13.7329 | 1.4697 | ||
| S12 | Spherical surface | Infinity | 0.8 | 1.52 | 64.2 |
| S13 | Spherical surface | Infinity | 2.74 | ||
| S14(IMA) | Spherical surface | Infinity |
Table 4
In the present embodiment, aspherical surface data is as shown in table 5 below, wherein K be the surface quadratic surface constant, A, B,
C, D, E, F, G be respectively quadravalence, six ranks, eight ranks, ten ranks, ten second orders, ten quadravalences, 16 ranks asphericity coefficient:
| Face serial number | K | A | B | C | D | E | F | G |
| S1 | -1.56E-01 | -4.98E-03 | -4.86E-05 | -3.68E-07 | 8.52E-08 | -2.10E-09 | 0 | 0 |
| S2 | -5.84E-01 | -3.35E-03 | -2.11E-04 | -6.62E-06 | 9.86E-07 | -3.60E-08 | 0 | 0 |
| S8 | -7.11E-01 | 1.50E-05 | 5.05E-06 | -1.68E-06 | 9.43E-08 | -3.59E-09 | 0 | 0 |
| S9 | -5.30E-02 | 3.05E-03 | 6.48E-05 | -1.04E-05 | 4.14E-07 | -6.20E-09 | 0 | 0 |
| S10 | 9.99E-03 | 2.30E-03 | 6.45E-05 | -1.25E-05 | 5.02E-07 | -6.11E-09 | 0 | 0 |
| S11 | -4.86E-02 | 9.44E-04 | 5.90E-05 | -3.34E-06 | -3.06E-08 | 1.66E-09 | 0 | 0 |
Table 5
Fig. 7 to Figure 10 schematically shows the MTF of the glass modeling mixing tight shot of embodiment according to the present invention two respectively
Figure；The Through-Focus-MTF that the glass modeling mixing tight shot frequency of embodiments of the present invention two is 120lp/mm schemes；This
The rayfan figure of the glass modeling mixing tight shot of the embodiment two of invention；The glass modeling mixing fixed-focus of embodiments of the present invention two
Through-Focus-MTF figure under camera lens infrared band.
The camera lens of present embodiment realizes the characteristic of high-resolution, high pixel it can be seen from Fig. 7 to Figure 10, and
Day and night confocal and not empty coke within the temperature range of -40 DEG C to 85 DEG C characteristic has been taken into account, while having met large aperture, has expanded production
The use scope of product.
Embodiment three:
Figure 11 is the glass modeling mixing tight shot structure chart for schematically showing embodiment according to the present invention three.
Aperture FNO=1.7 in embodiment three.
Following table 6 lists the relevant parameter of each lens of present embodiment, including surface type, radius of curvature, thickness, material
The refractive index of material, Abbe number:
| Face serial number | Surface type | R value | Thickness | Refractive index | Abbe number |
| S1 | It is aspherical | 5.4029 | 1.7965 | 1.53 | 56.1 |
| S2 | It is aspherical | 2.9996 | 4.1201 | ||
| S3(STO) | Spherical surface | Infinity | 4.1543 | ||
| S4 | Spherical surface | 44.7210 | 2.1251 | 1.47 | 66.7 |
| S5 | Spherical surface | 6.3964 | 4.4949 | 1.59 | 68.6 |
| S6 | Spherical surface | -4.7655 | 0.5 | 1.60 | 60.8 |
| S7 | Spherical surface | -11.1538 | 0.1023 | ||
| S8 | It is aspherical | 7.5104 | 3.1908 | 1.52 | 55.7 |
| S9 | It is aspherical | -8.5377 | 0.2877 | ||
| S10 | It is aspherical | -8.5479 | 2.6932 | 1.65 | 21.5 |
| S11 | It is aspherical | 12.7599 | 1.69921 | ||
| S12 | Spherical surface | Infinity | 0.8 | 1.52 | 64.2 |
| S13 | Spherical surface | Infinity | 3.0722 | ||
| S14(IMA) | Spherical surface | Infinity |
Table 6
In the present embodiment, aspherical surface data is as shown in table 7 below, K be the surface quadratic surface constant, A, B, C, D,
E, F, G be respectively quadravalence, six ranks, eight ranks, ten ranks, ten second orders, ten quadravalences, 16 ranks asphericity coefficient:
Table 7
Figure 12 to Figure 15 schematically shows the MTF of the glass modeling mixing tight shot of embodiment according to the present invention three respectively
Figure；The Through-Focus-MTF that the glass modeling mixing tight shot frequency of embodiments of the present invention three is 120lp/mm schemes；This
The rayfan figure of the glass modeling mixing tight shot of the embodiment three of invention；The glass modeling mixing fixed-focus of embodiments of the present invention three
Through-Focus-MTF figure under camera lens infrared band.
The camera lens of present embodiment realizes the characteristic of high-resolution, high pixel it can be seen from Figure 12 to Figure 15, and
Day and night confocal and not empty coke within the temperature range of -40 DEG C to 85 DEG C characteristic has been taken into account, while having met large aperture, has expanded production
The use scope of product.
Embodiment four:
Figure 16 is the glass modeling mixing tight shot structure chart for schematically showing embodiment according to the present invention four.
Aperture FNO=1.8 in embodiment four.
Following table 8 lists the relevant parameter of each lens of present embodiment, including surface type, radius of curvature, thickness, material
The refractive index of material, Abbe number:
| Face serial number | Surface type | R value | Thickness | Refractive index | Abbe number |
| S1 | It is aspherical | 5.5289 | 2.1825 | 1.53 | 56.1 |
| S2 | It is aspherical | 2.8805 | 4.9673 | ||
| S3(STO) | Spherical surface | Infinity | 0.0984 | ||
| S4 | Spherical surface | 24.2804 | 3.1799 | 1.50 | 70.4 |
| S5 | Spherical surface | 5.6530 | 5.1014 | 1.70 | 55.6 |
| S6 | Spherical surface | -5.8318 | 0.7 | 1.61 | 60.2 |
| S7 | Spherical surface | -10.6232 | 0.0999 | ||
| S8 | It is aspherical | 7.3598 | 4.0777 | 1.53 | 56.1 |
| S9 | It is aspherical | -7.2153 | 0.1588 | ||
| S10 | It is aspherical | -8.9925 | 2.5621 | 1.60 | 24.0 |
| S11 | It is aspherical | 12.6921 | 1.3721 | ||
| S12 | Spherical surface | Infinity | 0.8 | 1.52 | 64.2 |
| S13 | Spherical surface | Infinity | 3.1084 | ||
| S14(IMA) | Spherical surface | Infinity |
Table 8
In the present embodiment, aspherical surface data is as shown in table 9 below, wherein K be the surface quadratic surface constant, A, B,
C, D, E, F, G be respectively quadravalence, six ranks, eight ranks, ten ranks, ten second orders, ten quadravalences, 16 ranks asphericity coefficient:
Table 9
Figure 17 to Figure 20 schematically shows the MTF of the glass modeling mixing tight shot of embodiment according to the present invention four respectively
Figure；The Through-Focus-MTF that the glass modeling mixing tight shot frequency of embodiments of the present invention four is 120lp/mm schemes；This
The rayfan figure of the glass modeling mixing tight shot of the embodiment four of invention；The glass modeling mixing fixed-focus of embodiments of the present invention four
Through-Focus-MTF figure under camera lens infrared band.
The camera lens of present embodiment realizes the characteristic of high-resolution, high pixel it can be seen from Figure 17 to Figure 20, and
Day and night confocal and not empty coke within the temperature range of -40 DEG C to 85 DEG C characteristic has been taken into account, while having met large aperture, has expanded production
The use scope of product.
Embodiment five:
Figure 21 is the glass modeling mixing tight shot structure chart for schematically showing embodiment according to the present invention five.
Aperture FNO=1.8 in embodiment five.
Following table 10 lists the relevant parameter of each lens of present embodiment, including surface type, radius of curvature, thickness,
The refractive index of material, Abbe number:
Table 10
In the present embodiment, aspherical surface data is as shown in table 11 below, wherein K be the surface quadratic surface constant, A,
B, C, D, E, F, G be respectively quadravalence, six ranks, eight ranks, ten ranks, ten second orders, ten quadravalences, 16 ranks asphericity coefficient:
| Face serial number | K | A | B | C | D | E | F | G |
| S1 | -1.87E-01 | 1.37E-03 | -3.82E-05 | -1.23E-06 | 7.87E-08 | -1.62E-09 | -1.02E-12 | 0 |
| S2 | 5.28E-01 | -2.91E-03 | 1.81E-04 | -1.06E-05 | 1.23E-06 | -6.35E-08 | -4.35E-11 | 0 |
| S9 | -4.86E+00 | -2.51E-04 | 1.30E-06 | -6.10E-06 | 6.65E-08 | -2.10E-09 | 1.10E-12 | 0 |
| S10 | -2.19E+01 | 8.12E-04 | 4.28E-05 | -1.04E-05 | 4.03E-07 | -5.74E-09 | -2.74E-18 | 0 |
| S11 | 1.30E+01 | -1.64E-03 | -7.07E-05 | -5.47E-05 | 5.61E-07 | -5.97E-09 | -4.21E-08 | 0 |
| S12 | -8.13E+00 | 1.77E-03 | 7.06E-05 | -5.69E-06 | 2.36E-08 | 4.96E-09 | -3.26E-15 | 0 |
Table 11
Figure 22 to Figure 25 schematically shows the MTF of the glass modeling mixing tight shot of embodiment according to the present invention five respectively
Figure；The Through-Focus-MTF that the glass modeling mixing tight shot frequency of embodiments of the present invention five is 120lp/mm schemes；This
The rayfan figure of the glass modeling mixing tight shot of the embodiment five of invention；The glass modeling mixing fixed-focus of embodiments of the present invention five
Through-Focus-MTF figure under camera lens infrared band.
The camera lens of present embodiment realizes the characteristic of high-resolution, high pixel it can be seen from Figure 22 to Figure 25, and
Day and night confocal and not empty coke within the temperature range of -40 DEG C to 85 DEG C characteristic has been taken into account, while having met large aperture, has expanded production
The use scope of product.
Above embodiment according to the present invention, the first lens of camera lens of the present invention, the 5th lens, in the 6th lens at least
The a piece of non-spherical lens using plastic cement material, reduces the production cost of camera lens of the present invention.Camera lens of the present invention can be realized greatly
Aperture, and meet 4K image output request, guarantee high-resolution under large aperture.Camera lens of the present invention is each by distributing rationally
The positive negative power of mirror, corrects aberration effectively；The image planes height of camera lens of the present invention is up to Φ 8.8mm, whole illumination
Uniformly, brightness is high (40% or more relative illumination).Camera lens of the present invention can be realized not empty in -40 DEG C~85 DEG C temperature ranges
Coke overcomes plastic aspheric lenes since the coefficient of expansion is big, is easy to cause the difficulty of focus drifting under high and low temperature environment.This
Invention camera lens can be realized the confocal imaging in visible light wave range to infrared waves segment limit.Camera lens list component of the present invention and assembling
Tolerance is preferable, there is good manufacturing.
The foregoing is merely an embodiment of the invention, are not intended to restrict the invention, for this field
For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of glass modeling mixing tight shot, is made of glass lens and plastic lens, comprising: along optical axis from object side to image side according to
The first lens (1) of secondary arrangement, diaphragm (S), the second lens (2), the third lens (3), the 4th lens (4), the 5th lens (5) and
6th lens (6)；The light it is characterized in that, first lens (1), second lens (2) and the 6th lens (6) are negative
Power lenses；
The third lens (3) and the 5th lens (5) are positive power lens；
4th lens (4) are positive or negative-power lenses.
2. glass according to claim 1 modeling mixing tight shot, which is characterized in that along the direction of object side to image side,
First lens (1) are male-female lens；
The third lens (3) are convex-convex lens；
5th lens (5) are convex-convex lens.
3. glass according to claim 1 modeling mixing tight shot, which is characterized in that the 4th lens (4) are positive light focus
Spend lens；
Second lens (2) and the third lens (3) composition have the cemented doublet of positive light coke.
4. glass according to claim 1 modeling mixing tight shot, which is characterized in that the 4th lens (4) are negative light focus
Spend lens；
Second lens (2), the third lens (3) and the 4th lens (4) composition have three gluings of positive light coke
Lens.
5. glass modeling mixing tight shot according to claim 4, which is characterized in that the combined focal length of three balsaming lens
The effective focal length f of fb and the camera lens meets relational expression: 1.0≤fb/f≤2.0.
6. glass modeling mixing tight shot according to claim 1, which is characterized in that first lens in the camera lens
(1), in the 5th lens (5) and the 6th lens (6) at least one piece be plastic aspheric lenes.
7. glass modeling mixing tight shot according to claim 1, which is characterized in that in the glass lens, at least one
The Abbe of piece glass lens meets following relationship: VD >=60.
8. moulding mixing tight shot to glass described in one of 7 according to claim 1, which is characterized in that effective coke of the camera lens
Meet relational expression away from f and the image planes distance D of the first lens (1) object side to the camera lens: f/D >=0.26.
9. moulding mixing tight shot to glass described in one of 7 according to claim 1, which is characterized in that half image height h of the camera lens
Meet relational expression with the effective focal length f of the camera lens: f/h≤2.16.
10. moulding mixing tight shot to glass described in one of 7 according to claim 1, which is characterized in that first lens (1)
Focal length f1 and second lens (2), the third lens (3), the 4th lens (4), the 5th lens (5) and institute
The combined focal length fn for stating the 6th lens (6) meets relational expression: -3.0≤f1/fn≤- 2.0.
11. moulding mixing tight shot to glass described in one of 7 according to claim 1, which is characterized in that relative aperture meets relationship
Formula: FNO≤2.1.
12. moulding mixing tight shot to glass described in one of 7 according to claim 1, which is characterized in that the 5th lens (5)
Abbe v5 and the Abbe number v6 of the 6th lens (6) meet following relationship: | v5-v6 | >=29.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022040938A1 (en) * | 2020-08-25 | 2022-03-03 | 欧菲光集团股份有限公司 | Optical imaging system, image capture module, electronic apparatus, and automobile |
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| CN210142227U (en) * | 2019-06-28 | 2020-03-13 | 舜宇光学(中山)有限公司 | Glass-plastic mixed fixed-focus lens |
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| US20170102526A1 (en) * | 2015-10-12 | 2017-04-13 | Kinko-Optical Co., Ltd. | Six-piece wide-angle lens module |
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