CN104360459B - 35mm focusing machine visual lens - Google Patents
35mm focusing machine visual lens Download PDFInfo
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- CN104360459B CN104360459B CN201410711286.4A CN201410711286A CN104360459B CN 104360459 B CN104360459 B CN 104360459B CN 201410711286 A CN201410711286 A CN 201410711286A CN 104360459 B CN104360459 B CN 104360459B
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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
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Abstract
The invention belongs to machine visual lens technical field, it is specifically related to 35mm focusing machine visual lens, comprise the first lens that the coaxial concaveconvex structure of central shaft is set successively along light incident direction, 2nd lens of concaveconvex structure, 3rd lens of concaveconvex structure, 4th lens of concaveconvex structure, 5th lens of double-concave structure, 6th lens of biconvex structure, 7th lens of biconvex structure, 8th lens of concaveconvex structure and the 9th lens of concaveconvex structure, by the combination of 9 lens, the camera lens realizing 35mm focal length is 2/3 at corresponding chip size " time, its pixel value can reach 5 mega pixels, high-end product demand can be met, its clear aperature is adjustable within the scope of F1.4 ~ F16 simultaneously. compact construction, easy to assembly, reduce production cost.
Description
Technical field
The invention belongs to machine visual lens technical field, it is specifically related to 35mm focusing machine visual lens.
Background technology
Machine vision replaces people's eye measure and judge with machine exactly. Machine vision system refers to by machine vision product (i.e. image-pickup device, point CMOS with CCD two kinds) Target Transformation will be ingested become figure image signal, send special image processing system to, according to pixel distribution and the information such as brightness, color, it is transformed into digitized signal; These signals are carried out various computing to extract the feature of target by image system, and then control on-the-spot equipment action according to the result differentiated.
In recent years, along with the fast development of microelectronics industry, high resolving power, the machine vision system of high disposal speed is constantly born, and optical lens supporting with it is proposed new requirement by this. And the machine visual lens for domestic existing 35mm focal length, corresponding chip size is 2/3 " time, pixel does not reach 500 ten thousand, cannot meet high-end product demand.
Therefore, urgently a kind of is 2/3 at chip size " time, pixel energy reaches the machine visual lens of 500 ten thousand.
Summary of the invention
It is an object of the invention to: for the deficiencies in the prior art, and provide 35mm focusing machine visual lens, this lens focus is 35mm, when corresponding chip size is 2/3 " time, its pixel value can reach 5 mega pixels, can meet high-end product demand; Its clear aperature is adjustable within the scope of F1.4 ~ F16 simultaneously.
In order to realize above-mentioned purpose, the present invention adopts following technical scheme: 35mm focusing machine visual lens, comprises the first lens arranging the coaxial concaveconvex structure of central shaft along light incident direction successively, 2nd lens of concaveconvex structure, 3rd lens of concaveconvex structure, 4th lens of concaveconvex structure, 5th lens of double-concave structure, 6th lens of biconvex structure, 7th lens of biconvex structure, 8th lens of concaveconvex structure and the 9th lens of concaveconvex structure, the radius of described first lens front curved surface is 47.37 �� 0.1mm, the radius of rear end surface is 334.2 �� 0.1mm, thickness b1 is 3.68 �� 0.03mm, and the radius of described 2nd lens front curved surface is 30.376 �� 0.1mm, the radius of rear end surface is 41.998 �� 0.1mm, thickness b2 is 2.63 �� 0.03mm, and the radius of described 3rd lens front curved surface is 21.11 �� 0.1mm, the radius of rear end surface is 78.04 �� 0.1mm, thickness b3 is 4.4 �� 0.03mm, and the radius of described 4th lens front curved surface is 78.04 �� 0.1mm, the radius of rear end surface is 10.443 �� 0.1mm, thickness b4 is 7.47 �� 0.03mm, and the radius of described 5th lens front curved surface is 11.305 �� 0.1mm, the radius of rear end surface is 57.29 �� 0.1mm, thickness b5 is 2.92 �� 0.03mm, and the radius of described 6th lens front curved surface is 57.29 �� 0.1mm, the radius of rear end surface is 17.546 �� 0.1mm, thickness b6 is 4.03 �� 0.03mm, and the radius of described 7th lens front curved surface is 87.88 �� 0.1mm, the radius of rear end surface is 30.262 �� 0.1mm, thickness b7 is 3.01 �� 0.03mm, and the radius of described 8th lens front curved surface is 52.8 �� 0.1mm, the radius of rear end surface is 20.992 �� 0.1mm, thickness b8 is 4.51 �� 0.03mm, and the radius of described 9th lens front curved surface is 20.992 �� 0.1mm, the radius of rear end surface is 145.5 �� 0.1mm, thickness b9 is 4.81 �� 0.03mm, the spacing d1 of described first lens and described 2nd lens is 0.17mm, the spacing d2 of described 2nd lens and described 3rd lens is 0.165mm, the spacing d4 of described 4th lens and described 5th lens is 9.598mm, and the spacing d5 of described 6th lens and described 7th lens is 0.141mm.
As a kind of improvement of 35mm focusing machine visual lens of the present invention, being provided with diaphragm between described 4th lens and described 5th lens, the spacing d3 of described 4th lens and described diaphragm is 4.641mm.
As a kind of improvement of 35mm focusing machine visual lens of the present invention, described diaphragm light hole is adjustable, and the light hole variable range of described diaphragm is 1.2mm ~ 12.2mm.
As a kind of improvement of 35mm focusing machine visual lens of the present invention, described 3rd lens and described 4th lens are glued together by optical glue, described 5th lens and described 6th lens are glued together by optical glue, and described 8th lens and described 9th lens are glued together by optical glue.
As a kind of improvement of 35mm focusing machine visual lens of the present invention, the material of described first lens is H-LAF3B, the material of described 2nd lens is H-ZK9B, the material of described 3rd lens is H-ZPK1, and the material of described 4th lens is H-ZF2, and the material of described 5th lens is H-ZF11, the material of described 6th lens is H-LAF3B, the material of described 7th lens is H-LAF3B, and the material of described 8th lens is H-ZF3, and the material of described 9th lens is H-LAF50B.
As a kind of improvement of 35mm focusing machine visual lens of the present invention, the rear of described 9th lens is formed with image planes, and the distance d7 between described image planes and described 9th lens is 12.753mm.
As a kind of improvement of 35mm focusing machine visual lens of the present invention, spacing d6 between the rear end surface of described 7th lens and the front end curved surface of described 8th lens is adjustable, the variable range of d6 is 0.12mm ~ 16.6mm, spacing distance between described first lens, described 2nd lens, described 3rd lens, described 4th lens, described 5th lens, described 6th lens and described 7th lens does not change, and the spacing distance between described 8th lens and described 9th lens does not change. Regulate the distance d6 between the rear end surface of the 7th lens and the front end curved surface of described 8th lens when making to take different object distances, image planes obtain image clearly.
As a kind of improvement of 35mm focusing machine visual lens of the present invention, the spacing d6 variable range stated between the rear end surface of the 7th lens and the front end curved surface of described 8th lens is 0.213mm ~ 16.395mm.
As a kind of improvement of 35mm focusing machine visual lens of the present invention, also comprising the lens barrel that the Vehicle Processing in interior hole is shaping, the first lens, described 2nd lens, described 3rd lens, described 4th lens, described 5th lens, described 6th lens, described 7th lens, described 8th lens and described 9th lens are installed in described lens barrel. That lens barrel one train adds formula is shaping, it is to increase the right alignment between lens and lens.
The useful effect of the present invention is: provide 35mm focusing machine visual lens, by the combination of 9 lens, it is achieved the camera lens of 35mm focal length is 2/3 at corresponding chip size " time, its pixel value can reach 5 mega pixels, can meet high-end product demand; Its clear aperature is adjustable within the scope of F1.4 ~ F16 simultaneously. Compact construction, easy to assembly, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the sectional view of 35mm focusing machine visual lens of the present invention.
Fig. 2 is the structural representation of lens combination of the present invention.
Fig. 3 is the structure iron of the present invention first lens.
Fig. 4 is the structure iron of the present invention the 2nd lens.
Fig. 5 is the structure iron of the present invention the 3rd lens.
Fig. 6 is the structure iron of the present invention the 4th lens.
Fig. 7 is the structure iron of the present invention the 5th lens.
Fig. 8 is the structure iron of the present invention the 6th lens.
Fig. 9 is the structure iron of the present invention the 7th lens.
Figure 10 is the structure iron of the present invention the 8th lens.
Figure 11 is the structure iron of the present invention the 9th lens.
Wherein, 10. the first lens, 20. the 2nd lens, 30. the 3rd lens, 40. the 4th lens, 50. the 5th lens, 60. the 6th lens, the 70, seven lens, 80. the 8th lens, 90. the 9th lens, 100. lens barrels, 200. diaphragms, 300. image planes.
Embodiment
Below in conjunction with embodiment and Figure of description, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
If Fig. 1 is to, shown in 11,35mm focusing machine visual lens of the present invention, comprises the shaping lens barrel 100 of the Vehicle Processing in interior hole and 9 lens combination structures, and 9 lens are installed in lens barrel 100.
Wherein, the first lens 10 that the coaxial concaveconvex structure of central shaft is set successively are comprised along light incident direction, 2nd lens 20 of concaveconvex structure, 3rd lens 30 of concaveconvex structure, 4th lens 40 of concaveconvex structure, 5th lens 50 of double-concave structure, 6th lens 60 of biconvex structure, 7th lens 70 of biconvex structure, before 8th lens 80 of concaveconvex structure and the 9th lens 90, first lens 10 of concaveconvex structure, the radius of end curved surface is 47.37 �� 0.1mm, the radius of rear end surface is 334.2 �� 0.1mm, thickness b1 is 3.68 �� 0.03mm, and before the 2nd lens 20, the radius of end curved surface is 30.376 �� 0.1mm, the radius of rear end surface is 41.998 �� 0.1mm, thickness b2 is 2.63 �� 0.03mm, and before the 3rd lens 30, the radius of end curved surface is 21.11 �� 0.1mm, the radius of rear end surface is 78.04 �� 0.1mm, thickness b3 is 4.4 �� 0.03mm, and before the 4th lens 40, the radius of end curved surface is 78.04 �� 0.1mm, the radius of rear end surface is 10.443 �� 0.1mm, thickness b4 is 7.47 �� 0.03mm, and before the 5th lens 50, the radius of end curved surface is 11.305 �� 0.1mm, the radius of rear end surface is 57.29 �� 0.1mm, thickness b5 is 2.92 �� 0.03mm, and before the 6th lens 60, the radius of end curved surface is 57.29 �� 0.1mm, the radius of rear end surface is 17.546 �� 0.1mm, thickness b6 is 4.03 �� 0.03mm, and before the 7th lens 70, the radius of end curved surface is 87.88 �� 0.1mm, the radius of rear end surface is 30.262 �� 0.1mm, thickness b7 is 3.01 �� 0.03mm, and before the 8th lens 80, the radius of end curved surface is 52.8 �� 0.1mm, the radius of rear end surface is 20.992 �� 0.1mm, thickness b8 is 4.51 �� 0.03mm, and before the 9th lens 90, the radius of end curved surface is 20.992 �� 0.1mm, the radius of rear end surface is 145.5 �� 0.1mm, thickness b9 is 4.81 �� 0.03mm, the spacing d1 of the first lens 10 and the 2nd lens 20 is 0.17mm, the spacing d2 of the 2nd lens 20 and the 3rd lens 30 is 0.165mm, the spacing d4 of the 4th lens 40 and the 5th lens 50 is 9.598mm, and the spacing d5 of the 6th lens 60 and the 7th lens 70 is 0.141mm, it is provided with diaphragm 200 between 4th lens 40 and the 5th lens 50, the spacing d3 of the 4th lens 40 and diaphragm 200 is 4.641mm, wherein, 3rd lens 30 and the 4th lens 40 are glued together by optical glue, 5th lens 50 and the 6th lens 60 are glued together by optical glue, and the 8th lens 80 and the 9th lens 90 are glued together by optical glue.
Preferably, diaphragm 200 light hole is adjustable, and the light hole variable range of diaphragm 200 is 1.2mm ~ 12.2mm.
Wherein, the light hole of diaphragm 200 is set to circular hole, and its F value can be adjustable between 1.4 ~ 16, and the logical light of camera lens is more strong, and brightness is more good. Certainly, the hole of diaphragm 200 can also be Polygons, but the limit number at least 5 of this Polygons (affecting the even effect of brightness when Polygons is tetragon time, corner there will be partially dark situation. ), limit number is more many more close to circle, because the logical light effect of circular hole is best.
Wherein, 35mm focusing machine visual lens according to claim 1, the material of the first lens 10 is H-LAF3B, and the material of the 2nd lens 20 is H-ZK9B, and the material of the 3rd lens 30 is H-ZPK1, the material of the 4th lens 40 is H-ZF2, the material of the 5th lens 50 is H-ZF11, and the material of the 6th lens 60 is H-LAF3B, and the material of the 7th lens 70 is H-LAF3B, the material of the 8th lens 80 is H-ZF3, and the material of the 9th lens 90 is H-LAF50B.
Preferably, the rear of the 9th lens 90 is formed with image planes 300, and the distance d7 between image planes 300 and the 9th lens 90 is 12.753mm.
Preferably, spacing d6 between the rear end surface of the 7th lens 70 and the front end curved surface of the 8th lens 80 is adjustable, the variable range of d6 is 0.213mm ~ 16.395mm, spacing distance between first lens 10, the 2nd lens 20, the 3rd lens 30, the 4th lens 40, the 5th lens 50, the 6th lens 60 and the 7th lens 70 does not change, and the spacing distance between the 8th lens 80 and the 9th lens 90 does not change. Regulate the distance d6 between the rear end surface of the 7th lens 70 and the front end curved surface of the 8th lens 80 when making to take different object distances, image planes 300 obtain image clearly. Namely, in order to obtain image clearly in image planes 300, when object distance d0 is infinite distance, the value regulating d6 is 0.213mm; When object distance d0 is 5m, the value regulating d6 is 0.615mm; When object distance d0 is 0.9m, the value regulating d6 is 2.446mm; When object distance d0 is 0.47m, the value regulating d6 is 4.517mm; When object distance d0 is 0.13m, the value regulating d6 is 16.395mm.
Preferably, in order to suitably increase the mechanical surplus of adjustment, the variable range of d6 is 0.12mm ~ 16.6mm.
The announcement of book and instruction according to the above description, above-mentioned enforcement mode can also be changed and revise by those skilled in the art in the invention. Therefore, it is intended that the invention not be limited to above-mentioned embodiment, any apparent improvement done on the basis of the present invention of every those skilled in the art, replacement or modification all belong to protection scope of the present invention. In addition, although employing some specific terms in this specification sheets, but these terms are just for convenience of description, and the present invention does not form any restriction.
Claims (9)
1.35mm focusing machine visual lens, it is characterised in that: comprise the first lens that the coaxial concaveconvex structure of central shaft is set successively along light incident direction, 2nd lens of concaveconvex structure, 3rd lens of concaveconvex structure, 4th lens of concaveconvex structure, 5th lens of double-concave structure, 6th lens of biconvex structure, 7th lens of biconvex structure, 8th lens of concaveconvex structure and the 9th lens of concaveconvex structure, the radius of described first lens front curved surface is 47.37 �� 0.1mm, the radius of rear end surface is 334.2 �� 0.1mm, thickness b1 is 3.68 �� 0.03mm, and the radius of described 2nd lens front curved surface is 30.376 �� 0.1mm, the radius of rear end surface is 41.998 �� 0.1mm, thickness b2 is 2.63 �� 0.03mm, and the radius of described 3rd lens front curved surface is 21.11 �� 0.1mm, the radius of rear end surface is 78.04 �� 0.1mm, thickness b3 is 4.4 �� 0.03mm, and the radius of described 4th lens front curved surface is 78.04 �� 0.1mm, the radius of rear end surface is 10.443 �� 0.1mm, thickness b4 is 7.47 �� 0.03mm, and the radius of described 5th lens front curved surface is 11.305 �� 0.1mm, the radius of rear end surface is 57.29 �� 0.1mm, thickness b5 is 2.92 �� 0.03mm, and the radius of described 6th lens front curved surface is 57.29 �� 0.1mm, the radius of rear end surface is 17.546 �� 0.1mm, thickness b6 is 4.03 �� 0.03mm, and the radius of described 7th lens front curved surface is 87.88 �� 0.1mm, the radius of rear end surface is 30.262 �� 0.1mm, thickness b7 is 3.01 �� 0.03mm, and the radius of described 8th lens front curved surface is 52.8 �� 0.1mm, the radius of rear end surface is 20.992 �� 0.1mm, thickness b8 is 4.51 �� 0.03mm, and the radius of described 9th lens front curved surface is 20.992 �� 0.1mm, the radius of rear end surface is 145.5 �� 0.1mm, thickness b9 is 4.81 �� 0.03mm, the spacing d1 of described first lens and described 2nd lens is 0.17mm, the spacing d2 of described 2nd lens and described 3rd lens is 0.165mm, the spacing d4 of described 4th lens and described 5th lens is 9.598mm, and the spacing d5 of described 6th lens and described 7th lens is 0.141mm.
2. 35mm focusing machine visual lens according to claim 1, it is characterised in that: being provided with diaphragm between described 4th lens and described 5th lens, the spacing d3 of described 4th lens and described diaphragm is 4.641mm.
3. 35mm focusing machine visual lens according to claim 2, it is characterised in that: described diaphragm light hole is adjustable, and the light hole variable range of described diaphragm is 1.2mm ~ 12.2mm.
4. 35mm focusing machine visual lens according to claim 1, it is characterized in that: described 3rd lens and described 4th lens are glued together by optical glue, described 5th lens and described 6th lens are glued together by optical glue, and described 8th lens and described 9th lens are glued together by optical glue.
5. 35mm focusing machine visual lens according to claim 1, it is characterized in that: the material of described first lens is H-LAF3B, the material of described 2nd lens is H-ZK9B, the material of described 3rd lens is H-ZPK1, the material of described 4th lens is H-ZF2, the material of described 5th lens is H-ZF11, the material of described 6th lens is H-LAF3B, the material of described 7th lens is H-LAF3B, the material of described 8th lens is H-ZF3, and the material of described 9th lens is H-LAF50B.
6. 35mm focusing machine visual lens according to claim 1, it is characterised in that: the rear of described 9th lens is formed with image planes, and the distance d7 between described image planes and described 9th lens is 12.753mm.
7. 35mm focusing machine visual lens according to claim 1, it is characterized in that: the spacing d6 between the rear end surface of described 7th lens and the front end curved surface of described 8th lens is adjustable, the variable range of d6 is 0.12mm ~ 16.6mm, spacing distance between described first lens, described 2nd lens, described 3rd lens, described 4th lens, described 5th lens, described 6th lens and described 7th lens does not change, and the spacing distance between described 8th lens and described 9th lens does not change.
8. 35mm focusing machine visual lens according to claim 7, it is characterised in that: the spacing d6 variable range between the rear end surface of described 7th lens and the front end curved surface of described 8th lens is 0.213mm ~ 16.395mm.
9. 35mm focusing machine visual lens according to claim 1, it is characterized in that: also comprise the lens barrel that the Vehicle Processing in interior hole is shaping, described first lens, described 2nd lens, described 3rd lens, described 4th lens, described 5th lens, described 6th lens, described 7th lens, described 8th lens and described 9th lens are installed in described lens barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410711286.4A CN104360459B (en) | 2014-12-01 | 2014-12-01 | 35mm focusing machine visual lens |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410711286.4A CN104360459B (en) | 2014-12-01 | 2014-12-01 | 35mm focusing machine visual lens |
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| CN104360459A CN104360459A (en) | 2015-02-18 |
| CN104360459B true CN104360459B (en) | 2016-06-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58209707A (en) * | 1982-05-31 | 1983-12-06 | Asahi Optical Co Ltd | Extremely compact telephoto lens |
| US7660048B1 (en) * | 2008-12-18 | 2010-02-09 | ZAO “Impulse” | Wide angle lens with large aperture |
| CN103941384B (en) * | 2014-03-11 | 2015-12-09 | 宁波舜宇仪器有限公司 | Micro objective |
| CN203759351U (en) * | 2014-03-11 | 2014-08-06 | 宁波舜宇仪器有限公司 | Microscope objective lens |
| CN204203540U (en) * | 2014-12-01 | 2015-03-11 | 东莞市奥普特自动化科技有限公司 | 35mm focusing machine visual lens |
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Address after: Changan Jin Jin Ha Community Industrial District of Henan city of Dongguan province Guangdong 523000 liters Road No. 8 Patentee after: Guangdong aopute Polytron Technologies Inc Address before: Changan Jin Jin Ha Community Industrial District of Henan city of Dongguan province Guangdong 523000 liters Road No. 8 Patentee before: Dongguan OPT Machine Vision Tech Co.,Ltd. |