JPH0134161Y2 - - Google Patents
Info
- Publication number
- JPH0134161Y2 JPH0134161Y2 JP7655883U JP7655883U JPH0134161Y2 JP H0134161 Y2 JPH0134161 Y2 JP H0134161Y2 JP 7655883 U JP7655883 U JP 7655883U JP 7655883 U JP7655883 U JP 7655883U JP H0134161 Y2 JPH0134161 Y2 JP H0134161Y2
- Authority
- JP
- Japan
- Prior art keywords
- ring
- helicoid
- distance scale
- focus
- focus ring
- 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
- 230000002265 prevention Effects 0.000 claims description 20
- 238000005452 bending Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Lens Barrels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7655883U JPS59181408U (ja) | 1983-05-19 | 1983-05-19 | ヘリコイド変形防止部材 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7655883U JPS59181408U (ja) | 1983-05-19 | 1983-05-19 | ヘリコイド変形防止部材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59181408U JPS59181408U (ja) | 1984-12-04 |
JPH0134161Y2 true JPH0134161Y2 (enrdf_load_stackoverflow) | 1989-10-18 |
Family
ID=30206603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7655883U Granted JPS59181408U (ja) | 1983-05-19 | 1983-05-19 | ヘリコイド変形防止部材 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59181408U (enrdf_load_stackoverflow) |
-
1983
- 1983-05-19 JP JP7655883U patent/JPS59181408U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59181408U (ja) | 1984-12-04 |
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