JPS6312330Y2 - - Google Patents
Info
- Publication number
- JPS6312330Y2 JPS6312330Y2 JP1980154342U JP15434280U JPS6312330Y2 JP S6312330 Y2 JPS6312330 Y2 JP S6312330Y2 JP 1980154342 U JP1980154342 U JP 1980154342U JP 15434280 U JP15434280 U JP 15434280U JP S6312330 Y2 JPS6312330 Y2 JP S6312330Y2
- Authority
- JP
- Japan
- Prior art keywords
- ring
- lens
- camera
- aperture
- protective
- 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
- 230000001681 protective effect Effects 0.000 claims description 17
- 230000003287 optical effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Landscapes
- Focusing (AREA)
- Lens Barrels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980154342U JPS6312330Y2 (fi) | 1980-10-28 | 1980-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980154342U JPS6312330Y2 (fi) | 1980-10-28 | 1980-10-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5778029U JPS5778029U (fi) | 1982-05-14 |
| JPS6312330Y2 true JPS6312330Y2 (fi) | 1988-04-08 |
Family
ID=29513568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1980154342U Expired JPS6312330Y2 (fi) | 1980-10-28 | 1980-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6312330Y2 (fi) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5456820A (en) * | 1977-10-15 | 1979-05-08 | Asahi Optical Co Ltd | Photographic lens barrel focusing device |
-
1980
- 1980-10-28 JP JP1980154342U patent/JPS6312330Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5456820A (en) * | 1977-10-15 | 1979-05-08 | Asahi Optical Co Ltd | Photographic lens barrel focusing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5778029U (fi) | 1982-05-14 |
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