JPH02119223U - - Google Patents
Info
- Publication number
- JPH02119223U JPH02119223U JP2402189U JP2402189U JPH02119223U JP H02119223 U JPH02119223 U JP H02119223U JP 2402189 U JP2402189 U JP 2402189U JP 2402189 U JP2402189 U JP 2402189U JP H02119223 U JPH02119223 U JP H02119223U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- camera
- aperture mechanism
- aperture
- blades
- 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
- 230000003287 optical effect Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 1
Landscapes
- Diaphragms For Cameras (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2402189U JPH02119223U (th) | 1989-03-02 | 1989-03-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2402189U JPH02119223U (th) | 1989-03-02 | 1989-03-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02119223U true JPH02119223U (th) | 1990-09-26 |
Family
ID=31243511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2402189U Pending JPH02119223U (th) | 1989-03-02 | 1989-03-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02119223U (th) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0555133U (ja) * | 1991-12-28 | 1993-07-23 | ニスカ株式会社 | カメラの絞り装置 |
JP2002296637A (ja) * | 2001-03-29 | 2002-10-09 | Nidec Copal Corp | カメラ用絞り機構 |
JP2006165256A (ja) * | 2004-12-07 | 2006-06-22 | Nikon Corp | 絞り装置、光学系及び露光装置並びにデバイスの製造方法 |
-
1989
- 1989-03-02 JP JP2402189U patent/JPH02119223U/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0555133U (ja) * | 1991-12-28 | 1993-07-23 | ニスカ株式会社 | カメラの絞り装置 |
JP2002296637A (ja) * | 2001-03-29 | 2002-10-09 | Nidec Copal Corp | カメラ用絞り機構 |
JP2006165256A (ja) * | 2004-12-07 | 2006-06-22 | Nikon Corp | 絞り装置、光学系及び露光装置並びにデバイスの製造方法 |
JP4581662B2 (ja) * | 2004-12-07 | 2010-11-17 | 株式会社ニコン | 投影光学系及び露光装置並びにデバイスの製造方法 |