JPH0377970B2 - - Google Patents
Info
- Publication number
- JPH0377970B2 JPH0377970B2 JP28003384A JP28003384A JPH0377970B2 JP H0377970 B2 JPH0377970 B2 JP H0377970B2 JP 28003384 A JP28003384 A JP 28003384A JP 28003384 A JP28003384 A JP 28003384A JP H0377970 B2 JPH0377970 B2 JP H0377970B2
- Authority
- JP
- Japan
- Prior art keywords
- aperture
- aperture value
- lens
- transmission member
- value
- 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.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 claims description 85
- 230000011514 reflex Effects 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 description 13
- 238000004364 calculation method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005375 photometry Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Exposure Control For Cameras (AREA)
- Diaphragms For Cameras (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28003384A JPS612138A (ja) | 1984-12-29 | 1984-12-29 | 内部測光式一眼レフレツクスカメラ用交換レンズ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28003384A JPS612138A (ja) | 1984-12-29 | 1984-12-29 | 内部測光式一眼レフレツクスカメラ用交換レンズ |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14791482A Division JPS5840533A (ja) | 1982-08-26 | 1982-08-26 | 内部測光式一眼レフレックスカメラ用交換レンズ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS612138A JPS612138A (ja) | 1986-01-08 |
JPH0377970B2 true JPH0377970B2 (enrdf_load_stackoverflow) | 1991-12-12 |
Family
ID=17619356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP28003384A Granted JPS612138A (ja) | 1984-12-29 | 1984-12-29 | 内部測光式一眼レフレツクスカメラ用交換レンズ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS612138A (enrdf_load_stackoverflow) |
-
1984
- 1984-12-29 JP JP28003384A patent/JPS612138A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS612138A (ja) | 1986-01-08 |
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