JPS6365010U - - Google Patents
Info
- Publication number
- JPS6365010U JPS6365010U JP15794786U JP15794786U JPS6365010U JP S6365010 U JPS6365010 U JP S6365010U JP 15794786 U JP15794786 U JP 15794786U JP 15794786 U JP15794786 U JP 15794786U JP S6365010 U JPS6365010 U JP S6365010U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- cam groove
- cam
- zoom lens
- lens holder
- 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
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lens Barrels (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
Description
第１図は本考案のズームレンズ機構の分解斜視
図である。第２図は本考案のズームレンズ機構を
使用した写真焼付装置の概略図である。
１６……ネガキヤリヤ、１７……ネガフイルム
、２１，２２……焼付用レンズ、２５……スキヤ
ナーユニツト、２８……ズームレンズ、２９……
イメージセンサー、４０……印画紙、４５，４８
……レンズホルダー、４６……変倍レンズ、４９
……補正レンズ、５４……固定鏡筒、５７……マ
スターレンズ、６０……カム筒、６１，６２……
カム溝、ａ１〜ａ３，ｂ１〜ｂ３……直線部。
FIG. 1 is an exploded perspective view of the zoom lens mechanism of the present invention. FIG. 2 is a schematic diagram of a photographic printing apparatus using the zoom lens mechanism of the present invention. 16...Negative carrier, 17...Negative film, 21, 22...Printing lens, 25...Scanner unit, 28...Zoom lens, 29...
Image sensor, 40... Photographic paper, 45, 48
... Lens holder, 46 ... Variable magnification lens, 49
...Correction lens, 54...Fixed lens barrel, 57...Master lens, 60...Cam tube, 61, 62...
Cam grooves, a1 to a3, b1 to b3...straight portions.
Claims (1)
ンズホルダーのピンをカム溝に嵌合し、カム筒の
回転でレンズホルダーを光軸方向に移動させるズ
ームレンズ機構において、 前記カム溝に、使用すべき焦点距離となる位置
に直線部を形成したことを特徴とするズームレン
ズ機構。[Claim for Utility Model Registration] A zoom lens mechanism in which a cam groove is formed in a cam tube, a pin of a lens holder holding a lens is fitted into the cam groove, and the lens holder is moved in the optical axis direction by rotation of the cam tube. In the zoom lens mechanism, a straight line portion is formed in the cam groove at a position corresponding to a focal length to be used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15794786U JPS6365010U (en) | 1986-10-15 | 1986-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15794786U JPS6365010U (en) | 1986-10-15 | 1986-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6365010U true JPS6365010U (en) | 1988-04-28 |
Family
ID=31080970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15794786U Pending JPS6365010U (en) | 1986-10-15 | 1986-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6365010U (en) |
-
1986
- 1986-10-15 JP JP15794786U patent/JPS6365010U/ja active Pending
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