JPH03129912U - - Google Patents
Info
- Publication number
- JPH03129912U JPH03129912U JP1990037711U JP3771190U JPH03129912U JP H03129912 U JPH03129912 U JP H03129912U JP 1990037711 U JP1990037711 U JP 1990037711U JP 3771190 U JP3771190 U JP 3771190U JP H03129912 U JPH03129912 U JP H03129912U
- Authority
- JP
- Japan
- Prior art keywords
- focusing
- operation ring
- ring
- close
- moves
- 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 7
- 230000002093 peripheral effect Effects 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990037711U JPH03129912U (US06368395-20020409-C00050.png) | 1990-04-10 | 1990-04-10 | |
US07/681,780 US5151729A (en) | 1990-04-10 | 1991-04-08 | Zoom lens barrel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990037711U JPH03129912U (US06368395-20020409-C00050.png) | 1990-04-10 | 1990-04-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03129912U true JPH03129912U (US06368395-20020409-C00050.png) | 1991-12-26 |
Family
ID=12505105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990037711U Pending JPH03129912U (US06368395-20020409-C00050.png) | 1990-04-10 | 1990-04-10 |
Country Status (2)
Country | Link |
---|---|
US (1) | US5151729A (US06368395-20020409-C00050.png) |
JP (1) | JPH03129912U (US06368395-20020409-C00050.png) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3276171B2 (ja) * | 1992-08-17 | 2002-04-22 | 旭光学工業株式会社 | ズームレンズ鏡筒 |
US5517361A (en) * | 1992-12-11 | 1996-05-14 | Nikon Corporation | Zoom lens system |
US5712734A (en) * | 1994-11-04 | 1998-01-27 | Nikon Corporation | Zoom lens barrel for moving lenses in the optical axis direction without increasing the length of the zoom lens barrel |
CN1069974C (zh) * | 1995-02-08 | 2001-08-22 | 佳能株式会社 | 透镜筒 |
JPH08297236A (ja) * | 1995-04-26 | 1996-11-12 | Nikon Corp | レンズ鏡筒 |
US7307798B2 (en) * | 2003-07-29 | 2007-12-11 | The Brunton Company | Multi-step locking eye cup twist up device |
JP4766973B2 (ja) * | 2005-09-16 | 2011-09-07 | 株式会社タムロン | レンズ鏡筒及びレンズ系 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4848884A (en) * | 1987-02-05 | 1989-07-18 | Ricoh Company, Ltd. | Variable focusing lens barrel |
-
1990
- 1990-04-10 JP JP1990037711U patent/JPH03129912U/ja active Pending
-
1991
- 1991-04-08 US US07/681,780 patent/US5151729A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5151729A (en) | 1992-09-29 |
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