CN110346917A - Glass modeling mixing tight shot - Google Patents
Glass modeling mixing tight shot Download PDFInfo
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- CN110346917A CN110346917A CN201910688485.0A CN201910688485A CN110346917A CN 110346917 A CN110346917 A CN 110346917A CN 201910688485 A CN201910688485 A CN 201910688485A CN 110346917 A CN110346917 A CN 110346917A
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- glass
- tight shot
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- convex
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- 239000011521 glass Substances 0.000 title claims abstract description 66
- 239000000571 coke Substances 0.000 claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 238000003384 imaging method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 10
- 230000000295 complement effect Effects 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract description 8
- 230000004075 alteration Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 14
- 239000004568 cement Substances 0.000 description 7
- 230000004304 visual acuity Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process 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
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
- G02B13/006—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element at least one element being a compound optical element, e.g. cemented elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/008—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras designed for infrared light
Abstract
The present invention relates to a kind of glass to mould mixing tight shot, is made of glass lens and plastic lens, comprising: the first lens, the second lens, diaphragm, the third lens, the 4th lens, the 5th lens and the 6th lens being arranged successively along optical axis from object side to image side；First lens, the second lens and the 5th lens are negative-power lenses；The third lens, the 4th lens and the 6th lens are positive power lens；Along the direction of object side to image side, the first lens are male-female lens；Second lens are concave-convex lens；The third lens are male-female lens；4th lens are convex-convex lens；5th lens are concave-convex lens；6th lens are convex-convex lens；4th lens and the 5th lens constitute the cemented doublet group of positive light coke.Camera lens aberration of the invention is corrected well, is reached preferable imaging effect, while complementary using glass modeling mixing, is overcome the defect for be easy to causeing focus drifting under high and low temperature environment and large aperture may be implemented, while can also be with day and night.
Description
Technical field
The present invention relates to optical imaging field more particularly to a kind of glass modeling mixing tight shots.
Background technique
Currently, generalling use the mode of infrared light filling placing monitoring field under night and poor light condition to reach into
As purpose, but its areas imaging of infrared light filling is smaller, and color distortion is serious.It is micro- in order to reach better nighttime imaging effect
The demand of light camera increasingly increases.Currently, common high image quality large aperture camera lens is mostly F1.4 in the market, less camera lens reaches
The large aperture of F1.2.And volume is all usually more left, Costco Wholesale is expensive, the high image quality mirror of few super large apertures for reaching F1.0
Head.Based on the above market status it is necessary to develop a super large aperture, high pixel, small size, low-cost optical camera lens, so as to
Night has better imaging effect.
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, the second lens, diaphragm, the third lens, the 4th lens,
5th lens and the 6th lens；
First lens, second lens and the 5th lens are negative-power lenses；
The third lens, the 4th lens and the 6th lens are positive power lens；
It is characterized in that, along the direction of object side to image side,
First lens are male-female lens；
Second lens are concave-convex lens；
The third lens are male-female lens；
4th lens are convex-convex lens；
5th lens are concave-convex lens；
6th lens are convex-convex lens；
4th lens and the 5th lens constitute the cemented doublet group of positive light coke.
According to an aspect of the present invention, first lens, second lens, the third lens and the described 6th
Lens are non-spherical lens；
4th lens and the 5th lens are spherical lens.
According to an aspect of the present invention, the effective focal length f of the focal length f1 of first lens and the camera lens, which meets, closes
It is formula: 1.5 < f1/f < 3.
According to an aspect of the present invention, the focal length f4 of the focal length f3 of the third lens and the 4th lens, which meets, closes
It is formula: 0.5 < | f3/f4 | < 2.
According to an aspect of the present invention, the focal length f6 of the focal length f5 of the 5th lens and the 6th lens, which meets, closes
It is formula: 0.5 < | f5/f6 | < 1.
According to an aspect of the present invention, the rear lens focus meets relational expression away from the effective focal length f of d and the camera lens:
2.5≥d/f≥1.5。
According to an aspect of the present invention, the Abbe number of at least one in the 4th lens and the 6th lens is greater than
65。
According to an aspect of the present invention, the relative aperture of the camera lens meets relational expression: FNO≤2.01.
According to an aspect of the present invention, half image height h of the effective focal length f of the camera lens and the camera lens meets relationship
Formula: f/h >=0.76.
A scheme according to the present invention makes camera lens picture of the present invention by the positive and negative refraction rate of each lens of reasonable disposition
Difference is corrected well, is reached preferable imaging effect, while complementary using glass modeling mixing, is overcome the aspheric of plastic cement material
Face lens be easy to cause the defect of focus drifting since the coefficient of expansion is big under high and low temperature environment；Using the structure, make the present invention
Camera lens not empty coke in -40 DEG C~80 DEG C temperature ranges.
And it is possible to realize F1.6 large aperture, while can also be with day and night, and resolving power can achieve 5,000,000 pictures
It more than plain image quality, has rationally reconciled object lens of large relative aperture, the day and night contradiction between the empty burnt and resolving power of confocal, high/low temperature, has expanded
The use scope of camera lens；Plastic aspheric lenes is used by as much as possible simultaneously, camera lens cost is reduced, substantially increases
The market competitiveness of camera lens.
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 be schematically show embodiment according to the present invention one glass modeling mixing tight shot 20 degree of room temperature, can
The Through-Focus-MTF of light-exposed lower 160lp/mm schemes；
Fig. 3 is to schematically show the glass modeling mixing tight shot of embodiment according to the present invention one in 20 degree of room temperature, night
Between infrared 160lp/mm Through-Focus-MTF figure；
Fig. 4 be schematically show embodiment according to the present invention one glass modeling mixing tight shot low temperature -40 degree, can
The Through-Focus-MTF of light-exposed lower 160lp/mm schemes；
Fig. 5 be schematically show embodiment according to the present invention one glass modeling mixing tight shot 80 degree of high temperature, can
The Through-Focus-MTF of light-exposed lower 160lp/mm schemes；
Fig. 6 is the glass modeling mixing tight shot structure chart for schematically showing embodiment according to the present invention two；
Fig. 7 be schematically show embodiment according to the present invention two glass modeling mixing tight shot 20 degree of room temperature, can
The Through-Focus-MTF of light-exposed lower 160lp/mm schemes；
Fig. 8 is to schematically show the glass modeling mixing tight shot of embodiment according to the present invention two in 20 degree of room temperature, night
Between infrared 160lp/mm Through-Focus-MTF figure；
Fig. 9 be schematically show embodiment according to the present invention two glass modeling mixing tight shot low temperature -40 degree, can
The Through-Focus-MTF of light-exposed lower 160lp/mm schemes；
Figure 10 be schematically show embodiment according to the present invention two glass modeling mixing tight shot 80 degree of high temperature, can
The Through-Focus-MTF of light-exposed lower 160lp/mm schemes；
Figure 11 is the glass modeling mixing tight shot structure chart for schematically showing embodiment according to the present invention three；
Figure 12 be schematically show embodiment according to the present invention three glass modeling mixing tight shot 20 degree of room temperature, can
The Through-Focus-MTF of light-exposed lower 160lp/mm schemes；
Figure 13 is to schematically show the glass modeling mixing tight shot of embodiment according to the present invention three in 20 degree of room temperature, night
Between infrared 160lp/mm Through-Focus-MTF figure；
Figure 14 be schematically show embodiment according to the present invention three glass modeling mixing tight shot low temperature -40 spend,
The Through-Focus-MTF figure of 160lp/mm under visible light；
Figure 15 be schematically show embodiment according to the present invention three glass modeling mixing tight shot 80 degree of high temperature, can
The Through-Focus-MTF of light-exposed lower 160lp/mm schemes；
Figure 16 is the glass modeling mixing tight shot structure chart for schematically showing embodiment according to the present invention four；
Figure 17 be schematically show embodiment according to the present invention four glass modeling mixing tight shot 20 degree of room temperature, can
The Through-Focus-MTF of light-exposed lower 160lp/mm schemes；
Figure 18 is to schematically show the glass modeling mixing tight shot of embodiment according to the present invention four in 20 degree of room temperature, night
Between infrared 160lp/mm Through-Focus-MTF figure；
Figure 19 be schematically show embodiment according to the present invention four glass modeling mixing tight shot low temperature -40 spend,
The Through-Focus-MTF figure of 160lp/mm under visible light；
Figure 20 be schematically show embodiment according to the present invention four glass modeling mixing tight shot 80 degree of high temperature, can
The Through-Focus-MTF of light-exposed lower 160lp/mm schemes；
Figure 21 is the glass modeling mixing tight shot structure chart for schematically showing embodiment according to the present invention five；
Figure 22 be schematically show embodiment according to the present invention five glass modeling mixing tight shot 20 degree of room temperature, can
The Through-Focus-MTF of light-exposed lower 160lp/mm schemes；
Figure 23 is to schematically show the glass modeling mixing tight shot of embodiment according to the present invention five in 20 degree of room temperature, night
Between infrared 160lp/mm Through-Focus-MTF figure；
Figure 24 be schematically show embodiment according to the present invention five glass modeling mixing tight shot low temperature -40 spend,
The Through-Focus-MTF figure of 160lp/mm under visible light；
Figure 25 be schematically show embodiment according to the present invention five glass modeling mixing tight shot 80 degree of high temperature, can
The Through-Focus-MTF of light-exposed lower 160lp/mm schemes.
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, the second lens 2, diaphragm S, 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 5th lens 5 are negative-power lenses；The third lens the 3, the 4th
Lens 4 and the 6th lens 6 are positive power lens.
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 concave-convex is saturating
Mirror；The third lens 3 are male-female lens；4th lens 4 are convex-convex lens；5th lens 5 are concave-convex lens；6th lens 6 are
Convex-convex lens.4th lens 4 and the 5th lens 5 constitute the cemented doublet group of positive light coke.
In the present invention, the first lens 1, the second lens 2, the third lens 3 and the 6th lens 6 are non-spherical lens；4th thoroughly
Mirror 4 and the 5th lens 5 are spherical lens.
In addition, the focal length f1 of the first lens 1 and the effective focal length f of camera lens meet relational expression: 1.5 < f1/f < 3.The third lens
The 3 focal length f3 and focal length f4 of the 4th lens 4 meets relational expression: 0.5 < | f3/f4 | < 2.The focal length f5 and the 6th of 5th lens 5
The focal length f6 of lens 6 meets relational expression: 0.5 < | f5/f6 | < 1.Rear lens focus meets relational expression away from the effective focal length f of d and camera lens:
2.5≥d/f≥1.5.The Abbe number of at least one lens is greater than 65 in 4th lens 4 and the 6th lens 6.The relative aperture of camera lens
Meet relational expression: FNO≤2.01.The effective focal length f of camera lens and half image height h of camera lens meet relational expression: f/h >=0.76.
Such as above-mentioned setting, glass modeling mixing tight shot of the invention, the positive and negative refraction rate of each lens of reasonable disposition makes this
Invention camera lens aberration is corrected well, is reached preferable imaging effect, while complementary using glass modeling mixing, is overcome plastic cement
The non-spherical lens of material be easy to cause the defect of focus drifting since the coefficient of expansion is big under high and low temperature environment；Using the knot
Structure makes camera lens of the present invention not empty coke in -40 DEG C~80 DEG C temperature ranges.
And it is possible to realize F1.6 large aperture, while can also be with day and night, and resolving power can achieve 5,000,000 pictures
It more than plain image quality, has rationally reconciled object lens of large relative aperture, the day and night contradiction between the empty burnt and resolving power of confocal, high/low temperature, has expanded
The use scope of camera lens；Plastic aspheric lenes is used by as much as possible simultaneously, camera lens cost is reduced, substantially increases
The market competitiveness of camera lens.
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 glass modeling mixing tight shot according to the present invention shares six-element lens, wherein 4 He of the 4th lens
5th lens 5 constitute cemented doublet group, so six-element lens is along with the plate between diaphragm S and imaging surface IMA and lens
The face of filter IR, altogether 14 faces.This 14 face structural orders according to the invention are arranged successively arrangement, say for the ease of narration
It is bright, 14 faces are numbered as S1 to S14.In addition, in the following embodiments, non-spherical lens meets following formula:
Wherein, z indicates the rise along optical axis direction, and r indicates the distance that optical axis is a little arrived on optical surface, and c is indicated should
The curvature on surface, k indicate that the quadratic surface constant on the surface, α 1, α 2, α 3, α 4, α 5, α 6, α 7, α 8 are respectively 2 ranks, 4 ranks, 6
The asphericity coefficient of rank, 8 ranks, 10 ranks, 12 ranks, 14 ranks, 16 ranks.
Data in five groups of embodiment data such as the following table 1:
Table 1
Embodiment one:
Present embodiment is illustrated based on lens construction shown in FIG. 1.
Each parameter of pick-up lens in embodiment one is as described below:
Effective focal length f=3.847mm, aperture FNO=1.954.
What following table 2 was listed is the focal length of each lens of present embodiment camera lens:
| f1 | f2 | f3 | f4 | f5 | f6 | f1/f | f5/f6 | d/f |
| -6.502 | -8.964 | 16.727 | 11.708 | -8.030 | 11.311 | -2.241 | -0.710 | 1.685 |
Table 2
What table 3 was listed is the relevant parameter of present embodiment lens wearer, 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 | 5.206 | 1.505 | 1.5 | 56 |
| S2 | It is aspherical | 1.881 | 3.990 | ||
| S3 | It is aspherical | -3.395 | 2.208 | 1.5 | 56 |
| S4 | It is aspherical | -13.995 | 0.3 | ||
| S5 | STO | Infinity | -0.198 | ||
| S6 | It is aspherical | 4.252 | 3.012 | 1.6 | 23 |
| S7 | It is aspherical | 5.048 | 0.079 | ||
| S8 | Spherical surface | 4.228 | 3.202 | 1.5 | 80 |
| S9 | Spherical surface | -2.823 | 0.51 | 1.8 | 25 |
| S10 | Spherical surface | -5.764 | 0.1 | ||
| S11 | It is aspherical | 9.276 | 2.465 | 1.5 | 56 |
| S12 | It is aspherical | -16.152 | 2.896 | ||
| S13 | Spherical surface | Infinity | 0.8 | 1.5 | 64 |
| S14 | Spherical surface | Infinity | 1.2 |
Table 3
In the present embodiment, aspherical surface data is as shown in table 4 below:
Table 4
Fig. 2 to Fig. 5 schematically shows the glass modeling mixing tight shot of embodiment according to the present invention one in room temperature respectively
20 degree, under visible light 160lp/mm Through-Focus-MTF figure；In 20 degree of room temperature, night infrared 160lp/mm
Through-Focus-MTF figure；The Through-Focus-MTF figure of 160lp/mm under the degree of low temperature -40, visible light；In high temperature
80 degree, under visible light 160lp/mm Through-Focus-MTF figure.
Large aperture, day and night confocal may be implemented in present embodiment, configures positive negative lens, camera lens aberration of the present invention is made to obtain school
Just, reach preferable imaging effect, while complementary using glass modeling mixing, overcome the non-spherical lens of plastic cement material due to expansion
Coefficient is big, and the defect of focus drifting is be easy to cause under high and low temperature environment, guarantees camera lens of the present invention in -40 DEG C~80 DEG C temperature models
Not empty coke in enclosing.Plastic aspheric lenes is used by as much as possible simultaneously, camera lens cost is reduced, substantially increases camera lens
The market competitiveness.
Embodiment two:
Fig. 6 schematically shows the structure chart of the glass modeling mixing tight shot of second of embodiment according to the present invention.Root
It is as follows according to description of the present embodiment:
Each parameter of pick-up lens in embodiment two is as described below:
Effective focal length f=3.847mm, aperture FNO=1.954.
What following table 5 was listed is the focal length of each lens of present embodiment camera lens:
| f1 | f2 | f3 | f4 | f5 | f6 | f1/f | f5/f6 | d/f |
| -7.606 | -8.904 | 16.508 | 21.45 | -7.393 | 11.489 | -1.97 | -0.643 | 1.801 |
Table 5
What table 6 was listed is the relevant parameter of present embodiment lens wearer, 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 | 7.844 | 1.5 | 1.5 | 56 |
| S2 | It is aspherical | 2.507 | 2.871 | ||
| S3 | It is aspherical | -3.325 | 2.2 | 1.5 | 56 |
| S4 | It is aspherical | -13.422 | 0.298 | ||
| S5 | STO | Infinity | -0.2 | ||
| S6 | It is aspherical | 4.553 | 3 | 1.6 | 23 |
| S7 | It is aspherical | 5.89 | 0.206 | ||
| S8 | Spherical surface | 5.649 | 3.2 | 1.5 | 68 |
| S9 | Spherical surface | -3.180 | 0.52 | 1.8 | 25 |
| S10 | Spherical surface | --6.661 | 0.1 | ||
| S11 | It is aspherical | 10.574 | 1.8 | 1.5 | 56 |
| S12 | It is aspherical | -13.298 | 0.28 | ||
| S13 | Spherical surface | Infinity | 0.8 | 1.5 | 64 |
| S14 | Spherical surface | Infinity | 1.2 |
Table 6
In the present embodiment, aspherical surface data is as shown in table 7 below:
Table 7
Fig. 7 to Figure 10 schematically shows the glass modeling mixing tight shot of embodiment according to the present invention two in room temperature respectively
20 degree, under visible light 160lp/mm Through-Focus-MTF figure；In 20 degree of room temperature, night infrared 160lp/mm
Through-Focus-MTF figure；The Through-Focus-MTF figure of 160lp/mm under the degree of low temperature -40, visible light；In high temperature
80 degree, under visible light 160lp/mm Through-Focus-MTF figure.
Large aperture, day and night confocal may be implemented in present embodiment, configures positive negative lens, camera lens aberration of the present invention is made to obtain school
Just, reach preferable imaging effect, while complementary using glass modeling mixing, overcome the non-spherical lens of plastic cement material due to expansion
Coefficient is big, and the defect of focus drifting is be easy to cause under high and low temperature environment, guarantees camera lens of the present invention in -40 DEG C~80 DEG C temperature models
Not empty coke in enclosing.Plastic aspheric lenes is used by as much as possible simultaneously, camera lens cost is reduced, substantially increases camera lens
The market competitiveness.
Embodiment three:
Figure 11 schematically shows the structure chart of the glass modeling mixing tight shot of the third embodiment according to the present invention.Root
It is as follows according to description of the present embodiment:
Each parameter of pick-up lens in embodiment three is as described below:
Effective focal length f=2.998mm., aperture FNO=1.61.
What table 8 was listed is the focal length of each lens of present embodiment camera lens:
| f1 | f2 | f3 | f4 | f5 | f6 | f1/f | f5/f6 | d/f |
| -7.08 | -8.758 | 18.661 | 11.523 | -8.058 | 10.760 | -2.362 | -0.749 | 1.759 |
Table 8
What following table 9 was listed is the relevant parameter of present embodiment lens wearer, including surface type, radius of curvature, thickness
Degree, the refractive index of material, Abbe number:
| Face serial number | Surface type | R value | Thickness | Refractive index | Abbe number |
| S1 | It is aspherical | 5.015 | 1.5 | 1.5 | 56 |
| S2 | It is aspherical | 1.938 | 3.597 | ||
| S3 | It is aspherical | -3.201 | 2.2 | 1.5 | 56 |
| S4 | It is aspherical | -12.41 | 0.299 | ||
| S5 | STO | Infinity | -0.2 | ||
| S6 | It is aspherical | 4.350 | 3 | 1.6 | 23 |
| S7 | It is aspherical | 5.372 | 0.077 | ||
| S8 | Spherical surface | 4.274 | 3.2 | 1.5 | 84 |
| S9 | Spherical surface | -2.996 | 0.52 | 1.8 | 25 |
| S10 | Spherical surface | -5.953 | 0.1 | ||
| S11 | It is aspherical | 10.137 | 1.758 | 1.5 | 56 |
| S12 | It is aspherical | -12.641 | 3.275 | ||
| S13 | Spherical surface | Infinity | 0.8 | 1.5 | 64 |
| S14 | Spherical surface | Infinity | 1.2 |
Table 9
In the present embodiment, aspherical surface data is as shown in the following table 10:
| Face serial number | K | A | B | C | D | E | F | G |
| S1 | -2.919 | -1.699E-03 | 1.239E-05 | -3.823E-05 | -1.269E-05 | 2.369E-06 | 0 | 0 |
| S2 | -0.680 | -2.75E-03 | -3.03E-04 | 2.303E-05 | -3.903E-05 | 3.347E-06 | 0 | 0 |
| S3 | -2.756 | 6.425E-03 | -6.875E-04 | 1.721E-04 | -2.525E-05 | 1.616E-06 | 0 | 0 |
| S4 | -1.568 | 7.718E-03 | -1.59E-05 | -2.473E-05 | -5.875E-07 | 3.252E-08 | 0 | 0 |
| S6 | 0.302 | -2.694E-04 | 1.459E-04 | -1.251E-05 | -1.622E-06 | 1.393E+07 | 0 | 0 |
| S7 | -0.753 | 2.148E-03 | 5.572E-04 | -6.384E-05 | 1.111E-05 | -8.387E+07 | 0 | 0 |
| S11 | 10.553 | -2.551E-03 | 1.923E-04 | -6.439E-05 | 1.006E-05 | -7.784E+07 | 0 | 0 |
| S12 | -12.272 | -6.828E-04 | 1.451E-04 | 3.022E-06 | -1.589E-06 | 2.622E+07 | 0 | 0 |
Table 10
Figure 12 to Figure 15 schematically shows the glass modeling mixing tight shot of embodiment according to the present invention three normal respectively
The Through-Focus-MTF figure of 160lp/mm under 20 degree of temperature, visible light；In 20 degree of room temperature, night infrared 160lp/mm
Through-Focus-MTF figure；The Through-Focus-MTF figure of 160lp/mm under the degree of low temperature -40, visible light；In high temperature
80 degree, under visible light 160lp/mm Through-Focus-MTF figure.
F1.6 large aperture, day and night confocal may be implemented in present embodiment, configures positive negative lens, obtains camera lens aberration of the present invention
To correction, reach preferable imaging effect, while complementary using glass modeling mixing, overcome the non-spherical lens of plastic cement material due to
The coefficient of expansion is big, and the defect of focus drifting is be easy to cause under high and low temperature environment, guarantees camera lens of the present invention in -40 DEG C~80 DEG C temperature
Spend not empty coke in range.Plastic aspheric lenes is used by as much as possible simultaneously, camera lens cost is reduced, substantially increases
The market competitiveness of camera lens.
Embodiment four:
Figure 16 schematically shows the structure chart of the glass modeling mixing tight shot of the 4th kind of embodiment according to the present invention.Root
It is as follows according to description of the present embodiment:
Each parameter of pick-up lens in embodiment four is as described below:
Effective focal length f=2.530mm, aperture FNO=2.003.
What table 11 was listed is the focal length of each lens of present embodiment camera lens:
| f1 | f2 | f3 | f4 | f5 | f6 | f1/f | f5/f6 | d/f |
| -6.414 | -7.566 | 17.089 | 9.677 | -6.833 | 8.500 | -2.535 | -0.804 | 1.914 |
Table 11
What following table 12 was listed is the relevant parameter of present embodiment lens wearer, including surface type, radius of curvature, thickness
Degree, the refractive index of material, Abbe number:
| Face serial number | Surface type | R value | Thickness | Refractive index | Abbe number |
| S1 | It is aspherical | 4.747 | 1.5 | 1.5 | 56 |
| S2 | It is aspherical | 1.776 | 3.893 | ||
| S3 | It is aspherical | -2.868 | 2.2 | 1.5 | 56 |
| S4 | It is aspherical | -12.350 | 0.287 | ||
| S5 | STO | Infinity | -0.2 | ||
| S6 | It is aspherical | 4.285 | 3 | 1.6 | 23 |
| S7 | It is aspherical | 5.079 | 0.079 | ||
| S8 | Spherical surface | 3.831 | 3.2 | 1.5 | 81 |
| S9 | Spherical surface | -2.887 | 0.52 | 1.8 | 25 |
| S10 | Spherical surface | -6.499 | 0.1 | ||
| S11 | It is aspherical | 8.694 | 1.766 | 1.5 | 56 |
| S12 | It is aspherical | -8.941 | 2.84 | ||
| S13 | Spherical surface | Infinity | 0.8 | 1.5 | 64 |
| S14 | Spherical surface | Infinity | 1.2 |
Table 12
In the present embodiment, aspherical surface data is as shown in table 13 below:
Table 13
Figure 17 to Figure 20 schematically shows the glass modeling mixing tight shot of embodiment according to the present invention four normal respectively
The Through-Focus-MTF figure of 160lp/mm under 20 degree of temperature, visible light；In 20 degree of room temperature, night infrared 160lp/mm
Through-Focus-MTF figure；The Through-Focus-MTF figure of 160lp/mm under the degree of low temperature -40, visible light；In high temperature
80 degree, under visible light 160lp/mm Through-Focus-MTF figure.
Large aperture, day and night confocal may be implemented in present embodiment, configures positive negative lens, camera lens aberration of the present invention is made to obtain school
Just, reach preferable imaging effect, while complementary using glass modeling mixing, overcome the non-spherical lens of plastic cement material due to expansion
Coefficient is big, and the defect of focus drifting is be easy to cause under high and low temperature environment, guarantees camera lens of the present invention in -40 DEG C~80 DEG C temperature models
Not empty coke in enclosing.Plastic aspheric lenes is used by as much as possible simultaneously, camera lens cost is reduced, substantially increases camera lens
The market competitiveness.
Embodiment five:
Figure 21 schematically shows the structure chart of the glass modeling mixing tight shot of the 5th kind of embodiment according to the present invention.Root
It is as follows according to description of the present embodiment:
Each parameter of pick-up lens in embodiment five is as described below:
Effective focal length f=2.793mm, aperture FNO=2.002.
What table 14 was listed is the focal length of each lens of present embodiment camera lens:
| f1 | f2 | f3 | f4 | f5 | f6 | f1/f | f5/f6 | d/f |
| -7.207 | -7.510 | 17.495 | 9.647 | -7.036 | 8.777 | -2.58 | -0.801 | 1.751 |
Table 14
What following table 15 was listed is the relevant parameter of present embodiment lens wearer, including surface type, radius of curvature, thickness
Degree, the refractive index of material, Abbe number:
Table 15
In the present embodiment, aspherical surface data is as shown in table 16 below:
Table 16
Figure 22 to Figure 25 schematically shows the glass modeling mixing tight shot of embodiment according to the present invention five normal respectively
The Through-Focus-MTF figure of 160lp/mm under 20 degree of temperature, visible light；In 20 degree of room temperature, night infrared 160lp/mm
Through-Focus-MTF figure；The Through-Focus-MTF figure of 160lp/mm under the degree of low temperature -40, visible light；In high temperature
80 degree, under visible light 160lp/mm Through-Focus-MTF figure.
Large aperture, day and night confocal may be implemented in present embodiment, configures positive negative lens, camera lens aberration of the present invention is made to obtain school
Just, reach preferable imaging effect, while complementary using glass modeling mixing, overcome the non-spherical lens of plastic cement material due to expansion
Coefficient is big, and the defect of focus drifting is be easy to cause under high and low temperature environment, guarantees camera lens of the present invention in -40 DEG C~80 DEG C temperature models
Not empty coke in enclosing.Plastic aspheric lenes is used by as much as possible simultaneously, camera lens cost is reduced, substantially increases camera lens
The market competitiveness.
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 (9)
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, the second lens (2), diaphragm (S), the third lens (3), the 4th lens (4), the 5th lens (5) and
6th lens (6)；
First lens (1), second lens (2) and the 5th lens (5) are negative-power lenses；
The third lens (3), the 4th lens (4) and the 6th lens (6) are positive power lens；
It is characterized in that, along the direction of object side to image side,
First lens (1) are male-female lens；
Second lens (2) are concave-convex lens；
The third lens (3) are male-female lens；
4th lens (4) are convex-convex lens；
5th lens (5) are concave-convex lens；
6th lens (6) are convex-convex lens；
4th lens (4) and the 5th lens (5) constitute the cemented doublet group of positive light coke.
2. glass modeling mixing tight shot according to claim 1, which is characterized in that first lens (1), described second
Lens (2), the third lens (3) and the 6th lens (6) are non-spherical lens；
4th lens (4) and the 5th lens (5) are spherical lens.
3. glass modeling mixing tight shot according to claim 1 or 2, which is characterized in that the focal length of first lens (1)
The effective focal length f of f1 and the camera lens meets relational expression: 1.5 < f1/f < 3.
4. glass modeling mixing tight shot according to claim 1 or 2, which is characterized in that the focal length of the third lens (3)
The focal length f4 of f3 and the 4th lens (4) meets relational expression: 0.5 < | f3/f4 | < 2.
5. glass modeling mixing tight shot according to claim 1 or 2, which is characterized in that the focal length of the 5th lens (5)
The focal length f6 of f5 and the 6th lens (6) meets relational expression: 0.5 < | f5/f6 | < 1.
6. glass according to claim 1 or 2 modeling mixing tight shot, which is characterized in that the rear lens focus away from d with it is described
The effective focal length f of camera lens meets relational expression: 2.5 >=d/f >=1.5.
7. glass according to claim 1 or 2 modeling mixing tight shot, which is characterized in that the 4th lens (4) and described
The Abbe number of at least one in the 6th lens (6) is greater than 65.
8. glass modeling mixing tight shot according to claim 1 or 2, which is characterized in that the relative aperture of the camera lens is full
Sufficient relational expression: FNO≤2.01.
9. glass according to claim 1 or 2 modeling mixing tight shot, which is characterized in that the effective focal length f of the camera lens with
Half image height h of the camera lens meets relational expression: f/h >=0.76.
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| CN113885180A (en) * | 2021-11-05 | 2022-01-04 | 舜宇光学(中山)有限公司 | Glass-plastic hybrid lens |
| CN115032773A (en) * | 2022-06-13 | 2022-09-09 | 舜宇光学(中山)有限公司 | Fixed focus lens |
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