CN106680975A - Marca microelectronic telephoto lenses - Google Patents
Marca microelectronic telephoto lenses Download PDFInfo
- Publication number
- CN106680975A CN106680975A CN201710112234.9A CN201710112234A CN106680975A CN 106680975 A CN106680975 A CN 106680975A CN 201710112234 A CN201710112234 A CN 201710112234A CN 106680975 A CN106680975 A CN 106680975A
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- eyeglass
- lens
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Classifications
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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
-
- 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
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
- G02B13/0065—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element having a beam-folding prism or mirror
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The invention discloses the Marca microelectronic telephoto lenses which comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens in sequence along the axis of light; The first lens is a convex concave moon lens, the second lens is a double convex mirror, The rear side of the second lens is a reflective surface, The first lens is 1.8-2.1 times the caliber of the second lens. The third lens is a concave convex lens, and the third lens is slightly larger than the diameter of the second lens;The fourth lens is a concave mirror, and the concave surface of the front of the fourth lens is reflective surface, he center of the fourth lens has a coaxial hole, which is slightly less than the diameter of the third lens; The fifth lens is concave convex negative lens, the diameter of the fifth lens is slightly less than the diameter of the aperture. The lens using of the marca folding principle shortens the length of the lens by more than half, therefore, the camera's weight is greatly reduced, and The lens can be used in microelectronic cameras and for long focal lenses, over-distance shooting of the microelectronic cameras can be satisfied.
Description
Technical field
The present invention relates to camera lens field, the micro- electric telephoto lens of more particularly to a kind of macha.
Background technology
Camera is the requirement in our daily life, with life and the raising of levels of substance, numerous shutterbugs
To the requirement also more and more higher photographed, micro- electric camera is occurred in that in recent years, due to micro- electric camera operation it is simple, lightweight, it is convenient
The personage that goes on business uses, so micro- electric camera is constantly popularized, market share constantly rises.Current telephoto lens, super mirror of dolly-out,ing dolly-back
Head is fitted on slr camera, and the telephoto lens being configured on micro- electric camera is there is no at present.Additionally, current focal length 250mm
There is the shortcomings of shank length, bore are big, weight is big in long shot, photographer is very inconvenient when carrying and using.
The content of the invention
It is an object of the invention to overcome disadvantage mentioned above, there is provided a kind of micro- electric telephoto lens of macha, the camera lens utilizes macha
Catadioptric principle make camera lens contraction in length more than half, significantly reduce the weight of camera lens, and the camera lens can be used for micro- electricity
Camera and for telephoto lens, can meet micro- electric camera and surpass the demand dolly-out,ed dolly-back.
What the present invention was realized in:A kind of micro- electric telephoto lens of macha, it is characterised in that:Including along optical axis direction successively
The first eyeglass, the second eyeglass, the 3rd eyeglass, the 4th eyeglass and the 5th eyeglass for arranging;First eyeglass is convex-concave curved month type
Lens, second eyeglass is the concave glue of biconvex reflecting mirror, the convex surface of the second eyeglass front end and the first eyeglass rear end
Close, the convex surface of the second eyeglass rear end is reflecting surface, and the bore of first eyeglass is the 1.8-2.1 of the second eyeglass bore
Times;3rd eyeglass is concavo-convex plus lens, and the bore of the 3rd eyeglass is slightly larger than the bore of the second eyeglass;4th mirror
Piece is recessed reflecting mirror, and the concave surface of the 4th eyeglass front end is reflecting surface, the 4th eyeglass middle part be provided with one it is coaxial logical
Hole, the diameter of the through hole is slightly less than the bore of the 3rd eyeglass;5th eyeglass is concavo-convex minus lenses, the 5th eyeglass
Bore is slightly less than the diameter of through hole.
The present invention adds recessed reflecting mirror with holes in the middle of latter two refracting telescope, and in the middle of the refracting telescope of front end secondary counter is added
Corrector is penetrated, making the light path of whole camera lens has carried out multiple catadioptric, so that lens length shortens more than half and for focal length
Camera lens, lens barrel length is about 100mm, significantly reduces camera lens weight, meets micro- electric camera and surpasses the demand dolly-out,ed dolly-back.The camera lens of the present invention
After secondary reflection corrector, energy color difference eliminating, spherical aberration and aberration so that image quality is more preferable.
The bore of first eyeglass is 62mm, and the bore of second eyeglass is 30mm, the bore of the 3rd eyeglass
For 30mm, the bore of the 4th eyeglass is 60mm, a diameter of 28mm of the through hole, and the bore of the 5th eyeglass is
25mm, the effective aperture of the micro- electric telephoto lens of the macha is 62mm and focal length is 250mm.
Each optical element need to meet following optical condition:
n1=1.516, v1=64.1;
n2=1.516, v2=64.1;
n3=1.61, v3=60.6;
n4=1.516, v4=64.1;
n5=1.53, v5=48.7;
Wherein n1-n5It is followed successively by the refractive index of first the-the five eyeglass of eyeglass, v1-v3It is followed successively by first the-the five eyeglass of eyeglass
Abbe number.
Airspace between second eyeglass and the 3rd eyeglass is 40mm, between second eyeglass and the 4th eyeglass
Airspace be 50mm, the airspace between the 3rd eyeglass and the 5th eyeglass be 30mm.
The focal length of first eyeglass is -1900mm, and the focal length of second eyeglass is -85mm, the 3rd eyeglass
Focal length is 80mm, and the focal length of the 4th eyeglass is 84mm, and the focal length of the 5th eyeglass is -50mm.
The radius of curvature of first convex lens surface is 67mm and the radius of curvature of concave surface is 60mm, second eyeglass
The radius of curvature of reflecting surface is 106mm, and the radius of curvature of the 3rd eyeglass concave surface is for the radius of curvature of 75mm and convex surface
35mm, the radius of curvature of the reflecting surface of the 4th eyeglass is 168mm, and the another side of the 4th eyeglass is hair side, described the
The radius of curvature of five eyeglass concave surfaces is 21mm and the radius of curvature of convex surface is 66mm.
The thickness of first eyeglass is 7mm, and the thickness of second eyeglass is 4mm, and the thickness of the 3rd eyeglass is
4.5mm, the thickness of the 4th eyeglass is 6mm, and the thickness of the 5th eyeglass is 4mm.
For prior art, the present invention has advantages below:
(1) the micro- electric telephoto lens of macha that the present invention is provided, using macha catadioptric principle the contraction in length one of camera lens is made
More than half, significantly reduce the weight of camera lens, and the camera lens can be used for micro- electric camera and for telephoto lens, can meet micro- electric phase
Machine surpasses the demand dolly-out,ed dolly-back;
(2) the micro- electric telephoto lens of macha that the present invention is provided, after secondary reflection corrector, can color difference eliminating, spherical aberration
And aberration so that image quality is more preferable;
(3) the micro- electric telephoto lens of macha that the present invention is provided, simple structure is reasonable in design, low cost of manufacture, it is easy to push away
Extensively.
Description of the drawings
With reference to the accompanying drawings in conjunction with the embodiments the invention will be further described:
Fig. 1 is the structural representation of the micro- electric telephoto lens of macha of the present invention;
Fig. 2 is the index path of the micro- electric telephoto lens of macha of the present invention.
Symbol description in figure:1st, the first eyeglass, the 2, second eyeglass, the 3, the 3rd eyeglass, the 4, the 4th eyeglass, 41, through hole, 5,
Five eyeglasses.
Specific embodiment
Present invention is described in detail with reference to Figure of description and specific embodiment:
As shown in figure 1, the micro- electric telephoto lens of a kind of macha provided for the present invention, it is characterised in that:Including along optical axis side
To the first eyeglass 1, the second eyeglass 2, the 3rd eyeglass 3, the 4th eyeglass 4 and the 5th eyeglass 5 that set gradually;First eyeglass 1
For convex-concave meniscus lens, second eyeglass 2 is biconvex reflecting mirror, the convex surface and the first mirror of the front end of the second eyeglass 2
The concave surface of the rear end of piece 1 is glued, and the convex surface of the rear end of the second eyeglass 2 is reflecting surface, and the bore of first eyeglass 1 is the second mirror
1.8-2.1 times of the bore of piece 2;3rd eyeglass 3 is concavo-convex plus lens, and the bore of the 3rd eyeglass 3 is slightly larger than the second mirror
The bore of piece 2;4th eyeglass 4 is recessed reflecting mirror, and the concave surface of the front end of the 4th eyeglass 4 is reflecting surface, the 4th mirror
The middle part of piece 4 is provided with a coaxial through hole 41, and the diameter of the through hole 41 is slightly less than the bore of the 3rd eyeglass 3;5th mirror
Piece 5 is concavo-convex minus lenses, and the bore of the 5th eyeglass 5 is slightly less than the diameter of through hole 41.
The present invention adds recessed reflecting mirror with holes in the middle of latter two refracting telescope, and in the middle of the refracting telescope of front end secondary counter is added
Corrector is penetrated, making the light path of whole camera lens has carried out multiple catadioptric, so that lens length shortens more than half and for focal length
Camera lens, lens barrel length is about 100mm, significantly reduces camera lens weight, meets micro- electric camera and surpasses the demand dolly-out,ed dolly-back.The camera lens of the present invention
After secondary reflection corrector, energy color difference eliminating, spherical aberration and aberration so that image quality is more preferable.As shown in Fig. 2 light
Round is:Light is injected the eyeglasses 4 of Jing the 4th after the first eyeglass 1 is reflected and is reflected, and the second eyeglasses of light Jing 2 for reflecting are again
Reflection, then passes through the 3rd eyeglass 3 and reflects, and the light after refraction is passed through from through hole 41, then the eyeglasses 5 of Jing the 5th are reflected, and are eventually arrived at
Image planes, form picture.
The bore of first eyeglass 1 is 62mm, and the bore of second eyeglass 2 is 30mm, the mouth of the 3rd eyeglass 3
Footpath is 30mm, and the bore of the 4th eyeglass 4 is 60mm, a diameter of 28mm of the through hole 41, the bore of the 5th eyeglass 5
For 25mm, the effective aperture of the micro- electric telephoto lens of the macha is 62mm and focal length is 250mm.
Each optical element need to meet following optical condition:
n1=1.516, v1=64.1;
n2=1.516, v2=64.1;
n3=1.61, v3=60.6;
n4=1.516, v4=64.1;
n5=1.53, v5=48.7;
Wherein n1-n5It is followed successively by the refractive index of the eyeglasses 5 of the first eyeglass 1- the 5th, v1-v3It is followed successively by the mirrors of the first eyeglass 1- the 5th
The Abbe number of piece 5.
Airspace between the eyeglass 3 of second eyeglass 2 and the 3rd be 40mm, the eyeglass 4 of second eyeglass 2 and the 4th
Between airspace be 50mm, the airspace between the 3rd eyeglass 3 and the 5th eyeglass 5 be 30mm.
The focal length of first eyeglass 1 is -1900mm, and the focal length of second eyeglass 2 is -85mm, the 3rd eyeglass 3
Focal length be 80mm, the focal length of the 4th eyeglass 4 is 84mm, and the focal length of the 5th eyeglass 5 is -50mm.
It is 60mm that the radius of curvature of the convex surface of the first eyeglass 1 is the radius of curvature of 67mm and concave surface, second eyeglass 2
The radius of curvature of reflecting surface be 106mm, the radius of curvature of the concave surface of the 3rd eyeglass 3 is 75mm and the radius of curvature of convex surface is
35mm, the radius of curvature of the reflecting surface of the 4th eyeglass 4 is 168mm, and the another side of the 4th eyeglass 4 is hair side, described
The radius of curvature of the concave surface of the 5th eyeglass 5 is 21mm and the radius of curvature of convex surface is 66mm.
The thickness of first eyeglass 1 is 7mm, and the thickness of second eyeglass 2 is 4mm, the thickness of the 3rd eyeglass 3
For 4.5mm, the thickness of the 4th eyeglass 4 is 6mm, and the thickness of the 5th eyeglass 5 is 4mm.
Above-mentioned specific embodiment is simply explained in detail to technical scheme, the present invention not only only office
It is limited to above-described embodiment, every any improvement or replacement according to the principle of the invention all should be within protection scope of the present invention.
Claims (7)
1. the micro- electric telephoto lens of a kind of macha, it is characterised in that:Including the first eyeglass (1) set gradually along optical axis direction,
Two eyeglasses (2), the 3rd eyeglass (3), the 4th eyeglass (4) and the 5th eyeglass (5);First eyeglass (1) is saturating for convex-concave curved month type
Mirror, second eyeglass (2) is biconvex reflecting mirror, the convex surface of the second eyeglass (2) front end and the first eyeglass (1) rear end
Concave surface is glued, and the convex surface of the second eyeglass (2) rear end is reflecting surface, and the bore of first eyeglass (1) is the second eyeglass (2)
1.8-2.1 times of bore;3rd eyeglass (3) is concavo-convex plus lens, and the bore of the 3rd eyeglass (3) is slightly larger than the second mirror
The bore of piece (2);4th eyeglass (4) is recessed reflecting mirror, and the concave surface of the 4th eyeglass (4) front end is reflecting surface, described
4th eyeglass (4) middle part is provided with a coaxial through hole (41), and the diameter of the through hole (41) is slightly less than the mouth of the 3rd eyeglass (3)
Footpath;5th eyeglass (5) is concavo-convex minus lenses, and the bore of the 5th eyeglass (5) is slightly less than the diameter of through hole (41).
2. the micro- electric telephoto lens of macha according to claim 1, it is characterised in that:The bore of first eyeglass (1) is
62mm, the bore of second eyeglass (2) is 30mm, and the bore of the 3rd eyeglass (3) is 30mm, the 4th eyeglass (4)
Bore be 60mm, a diameter of 28mm of the through hole (41), the bore of the 5th eyeglass (5) is 25mm, and the macha is micro-
The effective aperture of electric telephoto lens is 62mm and focal length is 250mm.
3. the micro- electric telephoto lens of macha according to claim 1, it is characterised in that:Each optical element need to meet following light
Condition:
n1=1.516, v1=64.1;
n2=1.516, v2=64.1;
n3=1.61, v3=60.6;
n4=1.516, v4=64.1;
n5=1.53, v5=48.7;
Wherein n1-n5It is followed successively by the refractive index of the eyeglass (5) of the first eyeglass (1)-the five, v1-v3It is followed successively by the first eyeglass (1)-the five
The Abbe number of eyeglass (5).
4. the micro- electric telephoto lens of macha according to claim 1, it is characterised in that:Second eyeglass (2) and the 3rd mirror
Airspace between piece (3) be 40mm, the airspace between second eyeglass (2) and the 4th eyeglass (4) be 50mm, institute
It is 30mm to state the airspace between the 3rd eyeglass (3) and the 5th eyeglass (5).
5. the micro- electric telephoto lens of macha according to claim 1, it is characterised in that:The focal length of first eyeglass (1) for-
1900mm, the focal length of second eyeglass (2) is -85mm, and the focal length of the 3rd eyeglass (3) is 80mm, the 4th eyeglass
(4) focal length is 84mm, and the focal length of the 5th eyeglass (5) is -50mm.
6. the micro- electric telephoto lens of macha according to any one of claim 1-5, it is characterised in that:First eyeglass
(1) radius of curvature of convex surface is 67mm and the radius of curvature of concave surface is 60mm, and the curvature of the reflecting surface of second eyeglass (2) is partly
Footpath is 106mm, and the radius of curvature of the 3rd eyeglass (3) concave surface is 75mm and the radius of curvature of convex surface is 35mm, the described 4th
The radius of curvature of the reflecting surface of eyeglass (4) is 168mm, and the another side of the 4th eyeglass (4) is hair side, the 5th eyeglass
(5) radius of curvature of concave surface is 21mm and the radius of curvature of convex surface is 66mm.
7. the micro- electric telephoto lens of macha according to any one of claim 1-5, it is characterised in that:First eyeglass
(1) thickness is 7mm, and the thickness of second eyeglass (2) is 4mm, and the thickness of the 3rd eyeglass (3) is 4.5mm, described the
The thickness of four eyeglasses (4) is 6mm, and the thickness of the 5th eyeglass (5) is 4mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710112234.9A CN106680975B (en) | 2017-02-28 | 2017-02-28 | Maca micro-electric telephoto lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710112234.9A CN106680975B (en) | 2017-02-28 | 2017-02-28 | Maca micro-electric telephoto lens |
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Publication Number | Publication Date |
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CN106680975A true CN106680975A (en) | 2017-05-17 |
CN106680975B CN106680975B (en) | 2022-08-09 |
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CN201710112234.9A Active CN106680975B (en) | 2017-02-28 | 2017-02-28 | Maca micro-electric telephoto lens |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111830684A (en) * | 2019-12-12 | 2020-10-27 | 瑞泰光学(常州)有限公司 | Compact telephoto lens |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4431917A (en) * | 1981-11-27 | 1984-02-14 | Texas Instruments Incorporated | Compact, high cold shield efficiency optical system |
US5327149A (en) * | 1992-05-18 | 1994-07-05 | Hughes Missile Systems Company | R.F. transparent RF/UV-IR detector apparatus |
DE19964079C1 (en) * | 1999-12-29 | 2001-08-02 | Deutsch Zentr Luft & Raumfahrt | Maksutov-Cassegrain system of short length |
JP2003167196A (en) * | 2001-12-04 | 2003-06-13 | Nikon Corp | Cata-dioptric system |
US20040246595A1 (en) * | 2001-05-15 | 2004-12-09 | Beach Allan David | Optical imaging system with aberration correcting means |
GB0608584D0 (en) * | 2005-05-10 | 2006-06-07 | Diehl Bgt Defence Gmbh & Co Kg | Single optical element and its application |
EP1862837A1 (en) * | 2006-05-31 | 2007-12-05 | Diehl BGT Defence GmbH & Co.KG | Multi-spectral optical imaging system |
CN101211006A (en) * | 2007-12-21 | 2008-07-02 | 中国科学院上海技术物理研究所 | Refraction-diffraction mixed telescope optical system |
CN102707413A (en) * | 2012-07-06 | 2012-10-03 | 苏州大学 | Long-focus optical system for star tracker |
CN104035188A (en) * | 2014-06-10 | 2014-09-10 | 西南技术物理研究所 | Low-cost refracting-reflecting athermalizing medium wave infrared lens |
CN105372801A (en) * | 2015-11-25 | 2016-03-02 | 北京环境特性研究所 | Solar blind ultraviolet optical lens and system |
CN205594223U (en) * | 2016-05-06 | 2016-09-21 | 西安微普光电技术有限公司 | Two light imaging lens of long burnt visible light near -infrared of formula of turning back |
CN206638873U (en) * | 2017-02-28 | 2017-11-14 | 福鼎市一雄光学仪器有限公司 | Ma Kawei electricity telephoto lenses |
-
2017
- 2017-02-28 CN CN201710112234.9A patent/CN106680975B/en active Active
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4431917A (en) * | 1981-11-27 | 1984-02-14 | Texas Instruments Incorporated | Compact, high cold shield efficiency optical system |
US5327149A (en) * | 1992-05-18 | 1994-07-05 | Hughes Missile Systems Company | R.F. transparent RF/UV-IR detector apparatus |
DE19964079C1 (en) * | 1999-12-29 | 2001-08-02 | Deutsch Zentr Luft & Raumfahrt | Maksutov-Cassegrain system of short length |
US20040246595A1 (en) * | 2001-05-15 | 2004-12-09 | Beach Allan David | Optical imaging system with aberration correcting means |
JP2003167196A (en) * | 2001-12-04 | 2003-06-13 | Nikon Corp | Cata-dioptric system |
GB0608584D0 (en) * | 2005-05-10 | 2006-06-07 | Diehl Bgt Defence Gmbh & Co Kg | Single optical element and its application |
EP1862837A1 (en) * | 2006-05-31 | 2007-12-05 | Diehl BGT Defence GmbH & Co.KG | Multi-spectral optical imaging system |
CN101211006A (en) * | 2007-12-21 | 2008-07-02 | 中国科学院上海技术物理研究所 | Refraction-diffraction mixed telescope optical system |
CN102707413A (en) * | 2012-07-06 | 2012-10-03 | 苏州大学 | Long-focus optical system for star tracker |
CN104035188A (en) * | 2014-06-10 | 2014-09-10 | 西南技术物理研究所 | Low-cost refracting-reflecting athermalizing medium wave infrared lens |
CN105372801A (en) * | 2015-11-25 | 2016-03-02 | 北京环境特性研究所 | Solar blind ultraviolet optical lens and system |
CN205594223U (en) * | 2016-05-06 | 2016-09-21 | 西安微普光电技术有限公司 | Two light imaging lens of long burnt visible light near -infrared of formula of turning back |
CN206638873U (en) * | 2017-02-28 | 2017-11-14 | 福鼎市一雄光学仪器有限公司 | Ma Kawei electricity telephoto lenses |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111830684A (en) * | 2019-12-12 | 2020-10-27 | 瑞泰光学(常州)有限公司 | Compact telephoto lens |
CN111830684B (en) * | 2019-12-12 | 2022-08-09 | 瑞泰光学(常州)有限公司 | Compact telephoto lens |
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