JPH025715U - - Google Patents
Info
- Publication number
- JPH025715U JPH025715U JP1988083592U JP8359288U JPH025715U JP H025715 U JPH025715 U JP H025715U JP 1988083592 U JP1988083592 U JP 1988083592U JP 8359288 U JP8359288 U JP 8359288U JP H025715 U JPH025715 U JP H025715U
- Authority
- JP
- Japan
- Prior art keywords
- cam
- ring
- lens
- optical axis
- groove
- 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
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図ないし第４図は本考案のマクロ付きズー
ムレンズ鏡筒の実施例を示す、光軸より上半分の
断端面図であつて、第１図は収納状態、第２図は
ワイド端状態、第３図はテレ端状態、第４図はマ
クロ撮影位置をそれぞれ示し、第５図はカム環、
レンズ案内環および内側ヘリコイド環の展開図、
第６図は、カム溝と移動レンズの移動関係を説明
する図、第７図は、従来のカム溝と移動レンズと
の関係を説明する図である。
１１……カメラボデイ、１２……固定筒、１５
，１６……移動レンズ、１８……外側ヘリコイド
環（内周ヘリコイド）、２０……内側ヘリコイド
環（外周ヘリコイド）、２２……カム環、２４…
…レンズ案内環、２６……直進案内板、２７……
レンズ案内環ガイド溝、３０……前群レンズ枠、
３１……後群レンズ枠、３２……シヤツタブロツ
ク、３３……ヘリコイドリング、３４……前群移
動枠、３５，３６……ガイドピン、４１……前群
カム溝、４２……後群カム溝、４３，４４……レ
ンズガイド溝。
Figures 1 to 4 are cross-sectional views of the upper half from the optical axis, showing an embodiment of the zoom lens barrel with macro according to the present invention, with Figure 1 in the stored state and Figure 2 at the wide end. Fig. 3 shows the telephoto end state, Fig. 4 shows the macro shooting position, Fig. 5 shows the cam ring,
Developed view of the lens guide ring and inner helicoid ring,
FIG. 6 is a diagram illustrating the movement relationship between the cam groove and the movable lens, and FIG. 7 is a diagram illustrating the relationship between the conventional cam groove and the movable lens. 11...Camera body, 12...Fixed barrel, 15
, 16...Moving lens, 18...Outer helicoid ring (inner helicoid), 20...Inner helicoid ring (outer helicoid), 22...Cam ring, 24...
...Lens guide ring, 26... Straight guide plate, 27...
Lens guide ring guide groove, 30...Front group lens frame,
31... Rear group lens frame, 32... Shutter block, 33... Helicoid ring, 34... Front group moving frame, 35, 36... Guide pin, 41... Front group cam groove, 42... Rear group cam groove , 43, 44... Lens guide groove.
Claims (1)
移動するように支持されたカム環と；該カム環と
光軸方向には一体に動き、かつカム環の光軸方向
移動に伴い該カム環に対し相対回転するレンズ案
内環と；上記カム環に形成した少なくとも前後二
群の移動レンズ群用のカム溝と；これらのカム溝
に対応させてレンズ案内環に形成したレンズガイ
ド溝と；このレンズガイド溝および上記カム溝の
両者に渡らせて挿通したガイドピンを有する、少
なくとも前後二群の移動レンズとを備え、 上記カム溝およびレンズガイド溝は、カム溝お
よびレンズ案内環の光軸方向移動と相対回転との
合成運動により、上記前後の移動レンズ群を所定
の軌跡で移動させるズーミング区間と、一方のズ
ーミング端からさらに移動レンズ群をマクロ撮影
領域に移動させるマクロ移行区間とを有し、かつ
このカム溝のズーミング区間とマクロ移行区間と
は、光軸と平行な方向に関し、互いに反対方向の
リード角を有していることを特徴とするマクロ付
きズームレンズ鏡筒。[Claims for Utility Model Registration] A fixed barrel; a cam ring supported by the fixed barrel so as to move in the optical axis direction as it rotates; a cam ring that moves integrally with the cam ring in the optical axis direction; a lens guide ring that rotates relative to the cam ring as the ring moves in the optical axis direction; cam grooves for at least two front and rear movable lens groups formed in the cam ring; a lens corresponding to these cam grooves; a lens guide groove formed in a guide ring; and at least two groups of moving lenses, front and rear, each having a guide pin inserted across both the lens guide groove and the cam groove, the cam groove and the lens guide groove being , a zooming section in which the front and rear movable lens groups are moved along a predetermined trajectory by the combined motion of the optical axis direction movement and relative rotation of the cam groove and lens guide ring, and macro photography of the movable lens groups from one zooming end. The zooming section and the macro transition section of the cam groove have lead angles opposite to each other in a direction parallel to the optical axis. Zoom lens barrel with macro.
Priority Applications (33)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988083592U JPH0618324Y2 (en) | 1988-06-24 | 1988-06-24 | Zoom lens barrel with macro |
| CA000601515A CA1331429C (en) | 1988-06-03 | 1989-06-01 | Zoom lens barrel and camera incorporating such barrel |
| DE68918756T DE68918756T2 (en) | 1988-06-03 | 1989-06-02 | Drive for a zoom lens. |
| DE68928864T DE68928864T2 (en) | 1988-06-03 | 1989-06-02 | Flexible printed circuit board for one camera |
| AT89110047T ATE112862T1 (en) | 1988-06-03 | 1989-06-02 | DRIVE FOR A ZOOM LENS. |
| EP94104972A EP0609910B1 (en) | 1988-06-03 | 1989-06-02 | Apparatus for selectively opening and closing a photographic opening in a lens cover |
| AT94104973T ATE184996T1 (en) | 1988-06-03 | 1989-06-02 | ZOOM LENS |
| AT94104972T ATE188781T1 (en) | 1988-06-03 | 1989-06-02 | DEVICE FOR SELECTIVELY OPENING AND CLOSING A PHOTOGRAPHIC OPENING OF A LENS COVER |
| DE1989629135 DE68929135T2 (en) | 1988-06-03 | 1989-06-02 | Device for selectively opening and closing a photographic opening of a lens cover |
| AT94104979T ATE188554T1 (en) | 1988-06-03 | 1989-06-02 | DEVICE FOR SELECTIVE POSITIONING OF A CORRECTIVE OPTICAL ELEMENT IN A CAMERA |
| AT94104980T ATE173838T1 (en) | 1988-06-03 | 1989-06-02 | FLEXIBLE PRINTED CIRCUIT BOARD FOR A CAMERA |
| EP94104979A EP0609912B1 (en) | 1988-06-03 | 1989-06-02 | Apparatus for selectively positioning a correcting optical element in a camera |
| DE1994622433 DE69422433T2 (en) | 1988-06-03 | 1989-06-02 | Device for the selective positioning of a corrective optical element in a camera |
| EP89110047A EP0344806B1 (en) | 1988-06-03 | 1989-06-02 | Drive mechanism for a zoom lens |
| EP94104973A EP0609911B1 (en) | 1988-06-03 | 1989-06-02 | Zoom lens |
| EP94104980A EP0609913B1 (en) | 1988-06-03 | 1989-06-02 | Flexible printed circuit board for a camera |
| US07/361,632 US5144493A (en) | 1988-06-03 | 1989-06-02 | Zoom lens barrel and camera incorporating such barrel |
| DE68929078T DE68929078T2 (en) | 1988-06-03 | 1989-06-02 | zoom lens |
| KR1019890007642A KR970002510B1 (en) | 1988-06-03 | 1989-06-03 | Joom lens barrel and camera incorporating such a barrel |
| AU36023/89A AU631796B2 (en) | 1988-06-03 | 1989-06-05 | Zoom lens barrel and camera incorporating such barrel |
| US07/829,211 US5231449A (en) | 1988-06-03 | 1992-01-31 | Zoom lens barrel and camera incorporating such barrel |
| US07/831,205 US5270868A (en) | 1988-06-03 | 1992-01-31 | Zoom lens barrel and camera incorporating such barrel |
| US07/829,213 US5262898A (en) | 1988-06-03 | 1992-01-31 | Zoom lens barrel and camera incorporating such barrel |
| US07/829,873 US5164757A (en) | 1988-06-03 | 1992-01-31 | Zoom lens barrel and camera incorporating such barrel |
| AU34045/93A AU645926B2 (en) | 1988-06-03 | 1993-03-08 | Zoom lens barrel and camera incorporating such barrel |
| AU34043/93A AU647986B2 (en) | 1988-06-03 | 1993-03-08 | Zoom lens barrel and camera incorporating such barrel |
| AU34044/93A AU650384B2 (en) | 1988-06-03 | 1993-03-08 | Zoom lens barrel and camera incorporating such barrel |
| AU34046/93A AU646196C (en) | 1988-06-03 | 1993-03-08 | Zoom lens barrel and camera incorporating such barrel |
| HK98100505A HK1001572A1 (en) | 1988-06-03 | 1998-01-20 | Drive mechanism for a zoom lens |
| HK98104015A HK1004864A1 (en) | 1988-06-03 | 1998-05-08 | Apparatus for selectively positioning a correcting optical element in a camera |
| HK98104016A HK1004865A1 (en) | 1988-06-03 | 1998-05-08 | Zoom lens |
| HK98104017A HK1004866A1 (en) | 1988-06-03 | 1998-05-08 | Flexible printed circuit board for a camera |
| HK98104018A HK1004867A1 (en) | 1988-06-03 | 1998-05-08 | Apparatus for selectively opening and closing a photographic opening in a lens cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988083592U JPH0618324Y2 (en) | 1988-06-24 | 1988-06-24 | Zoom lens barrel with macro |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH025715U true JPH025715U (en) | 1990-01-16 |
| JPH0618324Y2 JPH0618324Y2 (en) | 1994-05-11 |
Family
ID=31308305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988083592U Expired - Lifetime JPH0618324Y2 (en) | 1988-06-03 | 1988-06-24 | Zoom lens barrel with macro |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0618324Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5685712A (en) * | 1979-12-17 | 1981-07-13 | Ricoh Co Ltd | Zoom lens provided with close-up photographing mechanism |
| JPS60162216A (en) * | 1984-02-02 | 1985-08-24 | Konishiroku Photo Ind Co Ltd | Zoom lens barrel |
| JPS6126014A (en) * | 1984-07-16 | 1986-02-05 | Nippon Kogaku Kk <Nikon> | Macro-area focusing device of zoom lens |
| JPS63149616A (en) * | 1986-12-15 | 1988-06-22 | Fuji Photo Optical Co Ltd | Moving structure for lens of camera |
-
1988
- 1988-06-24 JP JP1988083592U patent/JPH0618324Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5685712A (en) * | 1979-12-17 | 1981-07-13 | Ricoh Co Ltd | Zoom lens provided with close-up photographing mechanism |
| JPS60162216A (en) * | 1984-02-02 | 1985-08-24 | Konishiroku Photo Ind Co Ltd | Zoom lens barrel |
| JPS6126014A (en) * | 1984-07-16 | 1986-02-05 | Nippon Kogaku Kk <Nikon> | Macro-area focusing device of zoom lens |
| JPS63149616A (en) * | 1986-12-15 | 1988-06-22 | Fuji Photo Optical Co Ltd | Moving structure for lens of camera |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0618324Y2 (en) | 1994-05-11 |
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