JPH0281515U - - Google Patents
Info
- Publication number
- JPH0281515U JPH0281515U JP15945888U JP15945888U JPH0281515U JP H0281515 U JPH0281515 U JP H0281515U JP 15945888 U JP15945888 U JP 15945888U JP 15945888 U JP15945888 U JP 15945888U JP H0281515 U JPH0281515 U JP H0281515U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- cam plate
- movable barrel
- barrel
- zoom
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lens Barrels (AREA)
Description
第１図は本考案の一実施例を示す要部断面図で
ある。第２図は本考案に用いられるカム板の作用
説明図である。第３図は従来装置の一例を示す概
略側面図である。
２…可動筒、１０…前群レンズ、１１…前群鏡
胴、１４…後群レンズ、１５…後群鏡筒、２０…
連動ピン、２２…連動レバー、４０…カム板、４
２…偏心ピン、４６…軸。
FIG. 1 is a sectional view of a main part showing an embodiment of the present invention. FIG. 2 is an explanatory diagram of the operation of the cam plate used in the present invention. FIG. 3 is a schematic side view showing an example of a conventional device. 2... Movable tube, 10... Front group lens, 11... Front group lens barrel, 14... Rear group lens, 15... Rear group lens barrel, 20...
Interlocking pin, 22... Interlocking lever, 40... Cam plate, 4
2... Eccentric pin, 46... Axis.
Claims (1)
と、この可動筒の移動域内に固定され、可動筒を
移動させたときに前記レンズの一方を保持した鏡
筒の一部に摺接して一方のレンズの位置決めを行
うカム板とを備えたズームレンズにおいて、 前記カム板を回動自在に軸着し、カム板を回動
することによつて前記一方のレンズの位置調節を
行うようにするとともに、このカム板を回動した
ときに一方のレンズの位置を変動させることがな
い不感帯を前記カム板に形成したことを特徴とす
るズームレンズのトラツキング調節装置。[Scope of Claim for Utility Model Registration] A movable barrel that incorporates a front group lens and a rear group lens, and a lens barrel that is fixed within the movement range of this movable barrel and holds one of the lenses when the movable barrel is moved. In a zoom lens equipped with a cam plate that positions one lens by slidingly contacting a part of the lens, the cam plate is rotatably attached to a shaft, and by rotating the cam plate, the one lens can be positioned. A tracking adjustment device for a zoom lens, characterized in that a dead zone is formed on the cam plate to perform position adjustment and prevent the position of one lens from changing when the cam plate is rotated.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15945888U JPH0624803Y2 (en) | 1988-12-09 | 1988-12-09 | Zoom lens tracking adjuster |
| US07/431,148 US4980711A (en) | 1988-11-04 | 1989-11-03 | Camera with zooming mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15945888U JPH0624803Y2 (en) | 1988-12-09 | 1988-12-09 | Zoom lens tracking adjuster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0281515U true JPH0281515U (en) | 1990-06-22 |
| JPH0624803Y2 JPH0624803Y2 (en) | 1994-06-29 |
Family
ID=31440690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15945888U Expired - Lifetime JPH0624803Y2 (en) | 1988-11-04 | 1988-12-09 | Zoom lens tracking adjuster |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0624803Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004212708A (en) * | 2003-01-06 | 2004-07-29 | Nikon Corp | Lens driving device and finder |
-
1988
- 1988-12-09 JP JP15945888U patent/JPH0624803Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004212708A (en) * | 2003-01-06 | 2004-07-29 | Nikon Corp | Lens driving device and finder |
| JP4613473B2 (en) * | 2003-01-06 | 2011-01-19 | 株式会社ニコン | Lens driving device and viewfinder |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0624803Y2 (en) | 1994-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS61188112U (en) | ||
| JPH0281515U (en) | ||
| JPH0258713U (en) | ||
| JPS614914U (en) | lens barrel | |
| JPS6233017U (en) | ||
| JPH0127342Y2 (en) | ||
| JPH0333421U (en) | ||
| JPH028242Y2 (en) | ||
| JPS604169Y2 (en) | Lens changing device for small cameras | |
| JPH03103430U (en) | ||
| JPS62135130U (en) | ||
| JPS5837044Y2 (en) | lens barrel | |
| JPS6180211A (en) | Zooming mechanism of zoom lens | |
| JPS6451906U (en) | ||
| JPH02128110U (en) | ||
| JPH0219034U (en) | ||
| JPS6424311U (en) | ||
| JPH0541271U (en) | Electronic viewfinder | |
| JPH0457806U (en) | ||
| JPS6311626U (en) | ||
| JPS63185307U (en) | ||
| JPH02131742U (en) | ||
| JPS5946312U (en) | telephoto lens body | |
| JPS59127008A (en) | Automatic focusing device of lens switching camera | |
| JPS6166319U (en) |