CN106772947A - Big motion DV camera lenses of practising physiognomy - Google Patents
Big motion DV camera lenses of practising physiognomy Download PDFInfo
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- CN106772947A CN106772947A CN201710054189.6A CN201710054189A CN106772947A CN 106772947 A CN106772947 A CN 106772947A CN 201710054189 A CN201710054189 A CN 201710054189A CN 106772947 A CN106772947 A CN 106772947A
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- 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
- G02B13/005—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having spherical lenses only
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- 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
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- 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
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Abstract
The invention belongs to field of optical device technology, more particularly to a kind of big motion DV camera lenses of practising physiognomy, including the first lens being arranged in order from the object side to the image side, second lens, 3rd lens, 4th lens, 5th lens, 6th lens and the 7th lens, first lens are convex-concave negative power glass spherical lens, second lens are concave-concave negative power glass spherical lens, 3rd lens are biconvex positive light coke glass spherical lens, 4th lens are biconvex positive light coke glass spherical lens, 5th lens are concave-concave negative power glass spherical lens;6th lens are plano-convex positive light coke glass spherical lens, and the 7th lens are biconvex positive light coke glass spherical lens.Relative to prior art, the present invention uses 7G glass lens (seven sheet glass eyeglasses) structure, has given full play to glass lens easy to process, cemented doublet color difference eliminating and has improved as the advantage of matter, makes camera lens pixel up to 1600W, and, practise physiognomy big advantage big with the depth of field.
Description
Technical field
The invention belongs to field of optical device technology, more particularly to a kind of big motion DV camera lenses of practising physiognomy.
Background technology
Motion DV cameras are used in the outdoor activities of people more and more widely, and it is different from traditional camera, because
It needs to be used in various adverse circumstances, and a tight shot of only having arranged in pairs or groups, therefore its requirement to camera chip pixel
It is very high.Meanwhile, motion DV cameras are also very harsh to camera lens requirement, and traditional monitoring camera pixel ratio is relatively low, and very little of practising physiognomy,
And as angle increases, lens edge is very fast as matter decline.
In view of this, it is necessory to provide a kind of big motion DV camera lenses of practising physiognomy, it uses 7G glass lens (seven sheet glass mirrors
Piece) structure, give full play to glass lens easy to process, cemented doublet color difference eliminating and improved as the advantage of matter, make camera lens picture
Element is up to 1600W and big with the depth of field, big advantage of practising physiognomy.
The content of the invention
It is an object of the invention to:In view of the shortcomings of the prior art, a kind of big motion DV camera lenses of practising physiognomy are provided, it is used
7G glass lens (seven sheet glass eyeglasses) structure, has given full play to glass lens easy to process, cemented doublet color difference eliminating and has carried
Height makes camera lens pixel up to 1600W as the advantage of matter, and big with the depth of field, big advantage of practising physiognomy.
In order to achieve the above object, the present invention is adopted the following technical scheme that:
Big motion DV camera lenses of practising physiognomy, including the first lens, the second lens, the 3rd saturating being arranged in order from the object side to the image side
Mirror, the 4th lens, the 5th lens, the 6th lens and the 7th lens, first lens are that convex-concave negative power glass sphere is saturating
Mirror, second lens are concave-concave negative power glass spherical lens, and the 3rd lens are biconvex positive light coke glass sphere
Lens, the 4th lens are biconvex positive light coke glass spherical lens, and the 5th lens are concave-concave negative power glass marble
Face lens;6th lens are plano-convex positive light coke glass spherical lens, and the 7th lens are biconvex positive light coke glass
Spherical lens;
4th lens and the glued connection of the 5th lens;
The focal length of the 4th lens and the 5th lens meets following condition with the ratio of the focal length of whole camera lens:
0.8 < | f4/f | < 1.0;
0.65 < | f5/f | < 0.8;
Wherein, f is the focal length of whole camera lens;F4 is the focal length of the 4th lens;F5 is the focal length of the 5th lens.
Improved as big a kind of of motion DV camera lenses that practise physiognomy of the invention, Jiao of first lens to the 7th lens
Meet following condition away from, refractive index and radius of curvature:
In upper table, " f " is focal length, and " n " is refractive index, and " R " is radius of curvature, and "-" number represents that direction is negative;
Wherein, f1 to f7 corresponds respectively to the focal length of first lens to the 7th lens;N1 to n7 is corresponded to respectively
In the refractive index of first lens to the 7th lens;R1, R3, R5, R7, R9, R11 and R13 correspond respectively to described
One lens to the one side near object space of the 7th lens radius of curvature, R2, R4, R6, R8, R10, R12 and R14 are right respectively
First lens described in Ying Yu to the one side away from object space of the 7th lens radius of curvature.
Improved as big a kind of of motion DV camera lenses that practise physiognomy of the invention, first lens are directly tight with second lens
Lean on.
Improved as a kind of of the invention big the of motion DV camera lenses that practise physiognomy, second lens and the 3rd lens by every
Circle close-fitting.
Improved as a kind of of the invention big the of motion DV camera lenses that practise physiognomy, the 3rd lens and the 4th lens by every
Circle close-fitting.
Improved as big a kind of of motion DV camera lenses that practise physiognomy of the invention, the 5th lens are directly tight with the 6th lens
Lean on.
Improved as a kind of of the invention big the of motion DV camera lenses that practise physiognomy, the 6th lens and the 7th lens by every
Circle close-fitting.
Relative to prior art, the present invention has the advantage that:
First, the present invention uses 7G glass lens (seven sheet glass eyeglasses) structure, has given full play to glass lens and has been easy to add
Work, cemented doublet color difference eliminating are simultaneously improved as the advantage of matter, make camera lens pixel up to 1600W, and big with the depth of field, practise physiognomy big
Advantage.
Second, the present invention realizes big practising physiognomy 1/2.3 by reasonable employment glass lens and glue pellet ", image quality is outstanding,
Thang-kng F2.5.The camera lens depth of field is big, i.e., the not defocus in the state of slight defocus, and camera lens is in 1 meter of nearly object distance to infinity object distance
Can clearly focus on, it is not necessary to focused again, motion DV can be met to the special requirement as matter and environment.
In a word, compact conformation of the present invention, image quality is high, and can guarantee that the picture matter in big field depth.
Brief description of the drawings
Fig. 1 is optical texture schematic diagram of the invention.
Specific embodiment
The present invention and its advantage are described in further detail below with reference to specific embodiment, but, this hair
Bright specific embodiment is not limited thereto.
As shown in figure 1, the big motion DV camera lenses of practising physiognomy that the present invention is provided, including first for being arranged in order from the object side to the image side
Lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5, the 6th lens 6 and the 7th lens 7, the first lens 1
It is convex-concave negative power glass spherical lens, the second lens 2 are concave-concave negative power glass spherical lens, and the 3rd lens 3 are double
Convex positive light coke glass spherical lens, the 4th lens 4 are biconvex positive light coke glass spherical lens, and the 5th lens 5 are negative for concave-concave
Focal power glass spherical lens;6th lens 6 are plano-convex positive light coke glass spherical lens, and the 7th lens 7 are that the positive light of biconvex is burnt
Degree glass spherical lens;
4th lens 4 and the glued connection of the 5th lens 5;I.e. the present invention is comprising 6 groups of seven tight shots of lens arrangement.
The focal length of the 4th lens 4 and the 5th lens 5 meets following condition with the ratio of the focal length of whole camera lens:
0.8 < | f4/f | < 1.0;
0.65 < | f5/f | < 0.8;
Wherein, f is the focal length of whole camera lens;F4 is the focal length of the 4th lens 4;F5 is the focal length of the 5th lens 5, to realize
Pixel high and the effect practised physiognomy greatly.
The focal length of the lens 7 of the first lens 1 to the 7th, refractive index and radius of curvature meet following condition:
In upper table, " f " is focal length, and " n " is refractive index, and " R " is radius of curvature, and "-" number represents that direction is negative;
Wherein, f1 to f7 corresponds respectively to the focal length of the lens 7 of the first lens 1 to the 7th;N1 to n7 corresponds respectively to first
The refractive index of the lens 7 of lens 1 to the 7th;R1, R3, R5, R7, R9, R11 and R13 correspond respectively to the lens of the first lens 1 to the 7th
The radius of curvature of 7 one side near object space, R2, R4, R6, R8, R10, R12 and R14 correspond respectively to the first lens 1 to the 7th
The radius of curvature of the one side away from object space of lens 7.
First lens 1 are directly abutted against with the second lens 2, and the second lens 2 and the 3rd lens 3 are by spacer ring close-fitting, and the 3rd is saturating
The lens 4 of mirror 3 and the 4th are directly abutted against by spacer ring close-fitting, the 5th lens 5 with the 6th lens 6, the 6th lens 6 and the 7th lens 7
By spacer ring close-fitting.
Embodiment 1
As shown in figure 1, present embodiments providing a kind of big motion DV camera lenses of practising physiognomy, including it is arranged in order from the object side to the image side
The first lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5, the 6th lens 6 and the 7th lens 7, first
Lens 1 are convex-concave negative power glass spherical lens, and the second lens 2 are concave-concave negative power glass spherical lens, the 3rd lens 3
It is biconvex positive light coke glass spherical lens, the 4th lens 4 are biconvex positive light coke glass spherical lens, and the 5th lens 5 are double
Recessed negative power glass spherical lens;6th lens 6 are plano-convex positive light coke glass spherical lens, the 7th lens 7 be biconvex just
Focal power glass spherical lens;4th lens 4 and the glued connection of the 5th lens 5.
The face type of each lens, radius of curvature R, lens thickness, eyeglass spacing and lens index nd meet following bar respectively
Part (table 1):
Face sequence number | Face type | R | D | nd |
1 | Sphere | 17.526 | 0.6 | 1.68 |
2 | Sphere | 3.532 | 3.132 | |
3 | Sphere | -9.2 | 0.42 | 1.52 |
4 | Sphere | 5.2 | 0.93 | |
5 | Sphere | 6.374 | 2.42 | 1.85 |
6 | Sphere | -20.336 | 2.13 | |
Diaphragm | Plane | PL | 0.01 | |
7 | Sphere | 7.35 | 2.132 | 1.68 |
9 | Sphere | -2.6 | 0.45 | 1.76 |
10 | Sphere | 9.25 | 0.35 | |
11 | Plane | PL | 1.6 | 1.68 |
12 | Sphere | -7.65 | 0.523 | |
13 | Sphere | 13 | 1.55 | 1.95 |
14 | Sphere | -45.5 | 1.15 | |
15 | Sphere | Plane | 0.7 | 1.52 |
16 | Image planes | Plane |
In table 1, " R " is radius of curvature, and "-" number represents that direction is negative, and " PL " represents plane, and upper table the same face sequence number is existing
Refractive index data nd, has data D, data D to represent the thickness at the lens axial line again, the same face sequence number there was only data D and
There is no refractive index data nd, data D to represent the lens to the spacing of next lens face.It is saturating that face sequence number 1 and 2 corresponds to first respectively
The face towards the face of object space and towards image space of mirror 1;Face sequence number 3 and 4 correspond to respectively the second lens 2 towards the face of object space and court
To the face of image space;Face sequence number 5 and 6 corresponds to the face towards the face of object space and towards image space of the 3rd lens 3 respectively;Face sequence number 7 and 8
The face towards the face of object space and towards image space of the 4th lens 4 is corresponded to respectively;Face sequence number 9 and 10 corresponds to the 5th lens 5 respectively
Face towards the face of object space and towards image space, face sequence number 11 and 12 correspond to respectively the 6th lens 6 towards the face of object space and direction
The face of image space, face sequence number 13 and 14 corresponds to the face towards the face of object space and towards image space of the 7th lens 7 respectively.
In a word, the present invention has the advantage that:
First, the present invention uses 7G glass lens (seven sheet glass eyeglasses) structure, has given full play to glass lens and has been easy to add
Work, cemented doublet color difference eliminating are simultaneously improved as the advantage of matter, make camera lens pixel up to 1600W, and big with the depth of field, practise physiognomy big
Advantage.
Second, the present invention realizes big practising physiognomy 1/2.3 by reasonable employment glass lens and glue pellet ", image quality is outstanding,
Thang-kng F2.5.The camera lens depth of field is big, i.e., the not defocus in the state of slight defocus, and camera lens is in 1 meter of nearly object distance to infinity object distance
Can clearly focus on, it is not necessary to focused again, motion DV can be met to the special requirement as matter and environment.
In a word, compact conformation of the present invention, image quality is high, and can guarantee that the picture matter in big field depth.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out appropriate change and modification.Therefore, the invention is not limited in specific embodiment disclosed and described above, to this
Some modifications and changes of invention should also be as falling into scope of the claims of the invention.Although additionally, this specification
In used some specific terms, but these terms are merely for convenience of description, do not constitute any limitation to the present invention.
Claims (7)
1. big practising physiognomy moves DV camera lenses, it is characterised in that:Including the first lens, second saturating being arranged in order from the object side to the image side
Mirror, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens, first lens are convex-concave negative power glass
Glass spherical lens, second lens are concave-concave negative power glass spherical lens, and the 3rd lens are biconvex positive light coke
Glass spherical lens, the 4th lens are biconvex positive light coke glass spherical lens, and the 5th lens are that the negative light of concave-concave is burnt
Degree glass spherical lens;6th lens are plano-convex positive light coke glass spherical lens, and the 7th lens are the positive light of biconvex
Focal power glass spherical lens;
4th lens and the glued connection of the 5th lens;
The focal length of the 4th lens and the 5th lens meets following condition with the ratio of the focal length of whole camera lens:
0.8 < | f4/f | < 1.0;
0.65 < | f5/f | < 0.8;
Wherein, f is the focal length of whole camera lens;F4 is the focal length of the 4th lens;F5 is the focal length of the 5th lens.
2. big practising physiognomy according to claim 1 moves DV camera lenses, it is characterised in that:First lens are to the described 7th saturating
The focal length of mirror, refractive index and radius of curvature meet following condition:
In upper table, " f " is focal length, and " n " is refractive index, and " R " is radius of curvature, and "-" number represents that direction is negative;
Wherein, f1 to f7 corresponds respectively to the focal length of first lens to the 7th lens;N1 to n7 corresponds respectively to institute
State the refractive index of the first lens to the 7th lens;It is saturating that R1, R3, R5, R7, R9, R11 and R13 correspond respectively to described first
Mirror to the one side near object space of the 7th lens radius of curvature, R2, R4, R6, R8, R10, R12 and R14 are corresponded respectively to
First lens to the one side away from object space of the 7th lens radius of curvature.
3. big practising physiognomy according to claim 1 moves DV camera lenses, it is characterised in that:First lens are saturating with described second
Mirror is directly abutted against.
4. big practising physiognomy according to claim 1 moves DV camera lenses, it is characterised in that:Second lens are saturating with the described 3rd
Mirror passes through spacer ring close-fitting.
5. big practising physiognomy according to claim 1 moves DV camera lenses, it is characterised in that:3rd lens are saturating with the described 4th
Mirror passes through spacer ring close-fitting.
6. big practising physiognomy according to claim 1 moves DV camera lenses, it is characterised in that:5th lens are saturating with the described 6th
Mirror is directly abutted against.
7. big practising physiognomy according to claim 1 moves DV camera lenses, it is characterised in that:6th lens and described 7th saturating
Mirror passes through spacer ring close-fitting.
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CN201710054189.6A CN106772947B (en) | 2017-01-22 | 2017-01-22 | DV lens with large image plane motion |
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CN201710054189.6A CN106772947B (en) | 2017-01-22 | 2017-01-22 | DV lens with large image plane motion |
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CN106772947B CN106772947B (en) | 2022-08-09 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108873270A (en) * | 2018-07-13 | 2018-11-23 | 舜宇光学(中山)有限公司 | Glass modeling mixing tight shot |
CN109557644A (en) * | 2019-01-24 | 2019-04-02 | 宁波舜宇车载光学技术有限公司 | Optical lens and imaging device |
CN110045486A (en) * | 2019-05-14 | 2019-07-23 | 厦门力鼎光电股份有限公司 | A kind of optical imaging lens |
CN111580252A (en) * | 2020-05-22 | 2020-08-25 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
CN111580251A (en) * | 2020-05-22 | 2020-08-25 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
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CN103197409A (en) * | 2013-04-01 | 2013-07-10 | 东莞市宇瞳光学科技有限公司 | Optical compensation zoom lens |
CN103336353A (en) * | 2013-06-26 | 2013-10-02 | 东莞市宇瞳光学科技有限公司 | Two-component optical compensation monitoring lens |
CN203311089U (en) * | 2013-06-26 | 2013-11-27 | 东莞市宇瞳光学科技有限公司 | Double-component optical compensation monitor lens |
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CN105487211A (en) * | 2016-01-07 | 2016-04-13 | 东莞市宇瞳光学科技股份有限公司 | Large-aperture, large-image surface ultra-wide angle zoom lens |
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CN206532025U (en) * | 2017-01-22 | 2017-09-29 | 东莞市宇瞳光学科技股份有限公司 | Big motion DV camera lenses of practising physiognomy |
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JPH09218350A (en) * | 1996-02-09 | 1997-08-19 | Canon Inc | Retrofocus type lens |
JP2010085484A (en) * | 2008-09-29 | 2010-04-15 | Kyocera Optec Co Ltd | Imaging lens and imaging apparatus |
CN102298195A (en) * | 2010-06-24 | 2011-12-28 | 株式会社理光 | Image-Forming Lens, and Imaging Apparatus and Information Device Using the Image-Forming Lens |
CN202735577U (en) * | 2012-08-07 | 2013-02-13 | 厦门力鼎光电技术有限公司 | Mini type day and night dual-use zoom lens |
CN103197409A (en) * | 2013-04-01 | 2013-07-10 | 东莞市宇瞳光学科技有限公司 | Optical compensation zoom lens |
CN103336353A (en) * | 2013-06-26 | 2013-10-02 | 东莞市宇瞳光学科技有限公司 | Two-component optical compensation monitoring lens |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108873270A (en) * | 2018-07-13 | 2018-11-23 | 舜宇光学(中山)有限公司 | Glass modeling mixing tight shot |
CN108873270B (en) * | 2018-07-13 | 2024-04-12 | 舜宇光学(中山)有限公司 | Glass-plastic mixed prime lens |
CN109557644A (en) * | 2019-01-24 | 2019-04-02 | 宁波舜宇车载光学技术有限公司 | Optical lens and imaging device |
CN110045486A (en) * | 2019-05-14 | 2019-07-23 | 厦门力鼎光电股份有限公司 | A kind of optical imaging lens |
CN110045486B (en) * | 2019-05-14 | 2024-03-29 | 厦门力鼎光电股份有限公司 | Optical imaging lens |
CN111580252A (en) * | 2020-05-22 | 2020-08-25 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
CN111580251A (en) * | 2020-05-22 | 2020-08-25 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
CN111580251B (en) * | 2020-05-22 | 2022-02-08 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
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