JPS62123609U - - Google Patents
Info
- Publication number
- JPS62123609U JPS62123609U JP896286U JP896286U JPS62123609U JP S62123609 U JPS62123609 U JP S62123609U JP 896286 U JP896286 U JP 896286U JP 896286 U JP896286 U JP 896286U JP S62123609 U JPS62123609 U JP S62123609U
- Authority
- JP
- Japan
- Prior art keywords
- focal length
- lens barrel
- adjustment device
- holds
- holding member
- 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
- 238000003384 imaging method Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１図〜第３図は本考案の各実施例を示す焦点
距離調整装置の構成図で、それぞれａは正面図、
ｂは側断面図である。
１…レンズ、２…レンズ鏡筒、３…レンズブロ
ツク、４…固定用リング、５…プリント基板、６
…イメージセンサ、７…基準位置決め突起部、８
…ねじ溝、９…中間部材、１０…クランプ金具、
１１…ねじ。
FIGS. 1 to 3 are block diagrams of a focal length adjustment device showing each embodiment of the present invention, and a is a front view, and FIG.
b is a side sectional view. 1... Lens, 2... Lens barrel, 3... Lens block, 4... Fixing ring, 5... Printed circuit board, 6
...Image sensor, 7...Reference positioning protrusion, 8
...Thread groove, 9...Intermediate member, 10...Clamp fitting,
11...Screw.
Claims (1)
ズ鏡筒を光軸方向に移動可能に保持する保持部材
とを備え、前記レンズ鏡筒を移動させることによ
り焦点距離を調整する焦点距離調整装置において
、前記保持部材に焦点距離調整の際の基準面とな
る基準位置決め部を設け、前記レンズ鏡筒を粗動
により基準面に一致させたのち、微動により焦点
距離調整を行なうことを特徴とした焦点距離調整
装置。 A focal length adjustment device comprising a lens barrel that holds an imaging lens and a holding member that holds the lens barrel movably in an optical axis direction, and adjusts a focal length by moving the lens barrel. , the holding member is provided with a reference positioning portion that serves as a reference plane when adjusting the focal length, and after the lens barrel is aligned with the reference plane by coarse movement, the focal length is adjusted by fine movement. Distance adjustment device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP896286U JPS62123609U (en) | 1986-01-27 | 1986-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP896286U JPS62123609U (en) | 1986-01-27 | 1986-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62123609U true JPS62123609U (en) | 1987-08-06 |
Family
ID=30793832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP896286U Pending JPS62123609U (en) | 1986-01-27 | 1986-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62123609U (en) |
-
1986
- 1986-01-27 JP JP896286U patent/JPS62123609U/ja active Pending
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