JPH02109334U - - Google Patents
Info
- Publication number
- JPH02109334U JPH02109334U JP1795689U JP1795689U JPH02109334U JP H02109334 U JPH02109334 U JP H02109334U JP 1795689 U JP1795689 U JP 1795689U JP 1795689 U JP1795689 U JP 1795689U JP H02109334 U JPH02109334 U JP H02109334U
- Authority
- JP
- Japan
- Prior art keywords
- aperture
- neutral density
- density filter
- camera
- lens aperture
- 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
- 230000007935 neutral effect Effects 0.000 claims 4
Landscapes
- Blocking Light For Cameras (AREA)
- Diaphragms For Cameras (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1795689U JPH02109334U (cs) | 1989-02-20 | 1989-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1795689U JPH02109334U (cs) | 1989-02-20 | 1989-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02109334U true JPH02109334U (cs) | 1990-08-31 |
Family
ID=31232180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1795689U Pending JPH02109334U (cs) | 1989-02-20 | 1989-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02109334U (cs) |
-
1989
- 1989-02-20 JP JP1795689U patent/JPH02109334U/ja active Pending