JPS53106118A - Lens iris for optical system - Google Patents
Lens iris for optical systemInfo
- Publication number
- JPS53106118A JPS53106118A JP2184177A JP2184177A JPS53106118A JP S53106118 A JPS53106118 A JP S53106118A JP 2184177 A JP2184177 A JP 2184177A JP 2184177 A JP2184177 A JP 2184177A JP S53106118 A JPS53106118 A JP S53106118A
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- iris
- lens iris
- shape
- light quantity
- 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.)
- Granted
Links
Abstract
PURPOSE: To uniformalize the distribution of light quantity without reducing the peripheral light quantity by arranging a fixed iris of the shape substantially identical with the shape of the outemost peripheral flux of light at the iris plane such that its longitudinal direction is perpendicular to the projected image of straight shape.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2184177A JPS53106118A (en) | 1977-02-28 | 1977-02-28 | Lens iris for optical system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2184177A JPS53106118A (en) | 1977-02-28 | 1977-02-28 | Lens iris for optical system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53106118A true JPS53106118A (en) | 1978-09-14 |
JPS571807B2 JPS571807B2 (en) | 1982-01-13 |
Family
ID=12066298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2184177A Granted JPS53106118A (en) | 1977-02-28 | 1977-02-28 | Lens iris for optical system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53106118A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5662473A (en) * | 1979-10-29 | 1981-05-28 | Canon Inc | Corrector for exposure |
JPS5996968U (en) * | 1982-12-21 | 1984-06-30 | 株式会社リコー | reading device |
-
1977
- 1977-02-28 JP JP2184177A patent/JPS53106118A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5662473A (en) * | 1979-10-29 | 1981-05-28 | Canon Inc | Corrector for exposure |
JPS5996968U (en) * | 1982-12-21 | 1984-06-30 | 株式会社リコー | reading device |
Also Published As
Publication number | Publication date |
---|---|
JPS571807B2 (en) | 1982-01-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5423555A (en) | Zoom lens | |
JPS52105849A (en) | Single lens reflex optical system for endoscope | |
JPS52110033A (en) | Single lens reflex camera | |
JPS57161825A (en) | Compound eye projecting device | |
JPS5425736A (en) | Electrophotographic apparatus | |
JPS5246813A (en) | Photographic optical system for observation for ophthalmofunduscopic c amera | |
JPS5243422A (en) | Finder for camera of large size picture | |
JPS5266445A (en) | Zoom lens | |
JPS51149004A (en) | Optical apparatus | |
JPS53106118A (en) | Lens iris for optical system | |
JPS52132851A (en) | Optical detector of scanning type | |
JPS534418A (en) | Pick up unit | |
JPS54111218A (en) | Image pickup unit | |
JPS5694318A (en) | Lens system provided with rear converter lens | |
JPS53122426A (en) | Projector | |
JPS5383621A (en) | Control mechanism for intensity of illumination on the focal plane | |
JPS5432317A (en) | Lens for micro-reduction photography | |
JPS5417027A (en) | Image forming system | |
JPS53138326A (en) | Projector | |
JPS52127327A (en) | Foucsing lens system | |
JPS5414746A (en) | Illuninating light source device | |
JPS5313920A (en) | Focal plate for single lens reflex camera | |
JPS5397818A (en) | Measuring system for projecting magnification | |
JPS52119321A (en) | Obtaining uniform distribution of illumination of image for projector | |
JPS52143043A (en) | Zoom lens system for extreme proximity photographing |