JPS5286344A - Lens for infrared rays - Google Patents
Lens for infrared raysInfo
- Publication number
- JPS5286344A JPS5286344A JP300276A JP300276A JPS5286344A JP S5286344 A JPS5286344 A JP S5286344A JP 300276 A JP300276 A JP 300276A JP 300276 A JP300276 A JP 300276A JP S5286344 A JPS5286344 A JP S5286344A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- infrared rays
- those
- positive
- meniscus lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Lenses (AREA)
Abstract
PURPOSE: To provide a lens structure for ultra-red light, which is composed of a first positive mneiscus lens, a second negative meniscus lens and a third positive meniscus lens such that preset numberical conditions are astisfied among those three those three lenses, thereby to provide a lens structure of a large aperture ratio which is excellent in aberration compensation.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP300276A JPS5286344A (en) | 1976-01-13 | 1976-01-13 | Lens for infrared rays |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP300276A JPS5286344A (en) | 1976-01-13 | 1976-01-13 | Lens for infrared rays |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5286344A true JPS5286344A (en) | 1977-07-18 |
Family
ID=11545146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP300276A Pending JPS5286344A (en) | 1976-01-13 | 1976-01-13 | Lens for infrared rays |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5286344A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60140310A (en) * | 1983-12-28 | 1985-07-25 | Canon Inc | Projecting lens |
JP2012037697A (en) * | 2010-08-06 | 2012-02-23 | Fujifilm Corp | Infrared imaging lens and imaging device |
CN105988195A (en) * | 2015-02-04 | 2016-10-05 | 大立光电股份有限公司 | Optical lens group and image capture apparatus |
-
1976
- 1976-01-13 JP JP300276A patent/JPS5286344A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60140310A (en) * | 1983-12-28 | 1985-07-25 | Canon Inc | Projecting lens |
JP2012037697A (en) * | 2010-08-06 | 2012-02-23 | Fujifilm Corp | Infrared imaging lens and imaging device |
CN105988195A (en) * | 2015-02-04 | 2016-10-05 | 大立光电股份有限公司 | Optical lens group and image capture apparatus |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5229238A (en) | Inside-view mirror objective optical system | |
JPS52117126A (en) | Telephoto lens system | |
JPS57101812A (en) | Lens device for macroprojection of image | |
JPS52113753A (en) | Zoom lens capable of simply changing variable focal length range | |
JPS5363014A (en) | Inverse galiled finder of variable magnification type | |
JPS5263330A (en) | Focal distance variable system by composite lens | |
JPS57624A (en) | Albada type reverse-galilean finder | |
JPS5535336A (en) | Wide angle zoom lens | |
JPS52105816A (en) | Photographic lens of compact type having long back focus and large ape rture | |
JPS5432318A (en) | Lens for micro-reduction photography | |
JPS5286344A (en) | Lens for infrared rays | |
JPS5336250A (en) | Fresnel lens | |
JPS5417042A (en) | Wide-angle zoom lens | |
JPS5211929A (en) | Telephoto lens of the short whole length | |
JPS57168214A (en) | Albada finder | |
JPS56107209A (en) | Photographic lens of large aperture ratio corrected for short distance | |
JPS51149004A (en) | Optical apparatus | |
JPS53110822A (en) | Photographic lens | |
JPS5427426A (en) | Telephoto lens | |
JPS5286329A (en) | Photographic lens of gaussian type | |
JPS5321926A (en) | Lens for projection and photography | |
JPS5694318A (en) | Lens system provided with rear converter lens | |
JPS5237444A (en) | Lens for infrared rays | |
JPS5555308A (en) | Endscope optical lens | |
JPS5297750A (en) | Objective lens of medium power |