JPH0723778Y2 - 交換レンズの絞り装置 - Google Patents
交換レンズの絞り装置Info
- Publication number
- JPH0723778Y2 JPH0723778Y2 JP2908089U JP2908089U JPH0723778Y2 JP H0723778 Y2 JPH0723778 Y2 JP H0723778Y2 JP 2908089 U JP2908089 U JP 2908089U JP 2908089 U JP2908089 U JP 2908089U JP H0723778 Y2 JPH0723778 Y2 JP H0723778Y2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- lever
- aperture
- lens
- driving member
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 20
- 230000008859 change Effects 0.000 claims description 8
- 230000035807 sensation Effects 0.000 claims 1
- 230000009471 action Effects 0.000 description 5
- 238000004033 diameter control Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Landscapes
- Diaphragms For Cameras (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2908089U JPH0723778Y2 (ja) | 1989-03-16 | 1989-03-16 | 交換レンズの絞り装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2908089U JPH0723778Y2 (ja) | 1989-03-16 | 1989-03-16 | 交換レンズの絞り装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02121729U JPH02121729U (en]) | 1990-10-03 |
JPH0723778Y2 true JPH0723778Y2 (ja) | 1995-05-31 |
Family
ID=31252972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2908089U Expired - Lifetime JPH0723778Y2 (ja) | 1989-03-16 | 1989-03-16 | 交換レンズの絞り装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0723778Y2 (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7744295B2 (en) | 2006-12-25 | 2010-06-29 | Nikon Corporation | Aperture mechanism, optical apparatus and manufacturing method thereof |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5464939B2 (ja) * | 2009-08-06 | 2014-04-09 | キヤノン株式会社 | 光学機器 |
-
1989
- 1989-03-16 JP JP2908089U patent/JPH0723778Y2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7744295B2 (en) | 2006-12-25 | 2010-06-29 | Nikon Corporation | Aperture mechanism, optical apparatus and manufacturing method thereof |
Also Published As
Publication number | Publication date |
---|---|
JPH02121729U (en]) | 1990-10-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |