JPS6135531B2 - - Google Patents
Info
- Publication number
- JPS6135531B2 JPS6135531B2 JP4621481A JP4621481A JPS6135531B2 JP S6135531 B2 JPS6135531 B2 JP S6135531B2 JP 4621481 A JP4621481 A JP 4621481A JP 4621481 A JP4621481 A JP 4621481A JP S6135531 B2 JPS6135531 B2 JP S6135531B2
- Authority
- JP
- Japan
- Prior art keywords
- barrel
- pin
- lens
- groove
- cam
- 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
- 230000003287 optical effect Effects 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
- G02B7/105—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens with movable lens means specially adapted for focusing at close distances
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Automatic Focus Adjustment (AREA)
- Focusing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4621481A JPS57161815A (en) | 1981-03-31 | 1981-03-31 | Adjustment device up to short distance of zoom type interchangeable lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4621481A JPS57161815A (en) | 1981-03-31 | 1981-03-31 | Adjustment device up to short distance of zoom type interchangeable lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57161815A JPS57161815A (en) | 1982-10-05 |
| JPS6135531B2 true JPS6135531B2 (enrdf_load_stackoverflow) | 1986-08-13 |
Family
ID=12740843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4621481A Granted JPS57161815A (en) | 1981-03-31 | 1981-03-31 | Adjustment device up to short distance of zoom type interchangeable lens |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57161815A (enrdf_load_stackoverflow) |
-
1981
- 1981-03-31 JP JP4621481A patent/JPS57161815A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57161815A (en) | 1982-10-05 |