JPH0323890B2 - - Google Patents
Info
- Publication number
- JPH0323890B2 JPH0323890B2 JP11295380A JP11295380A JPH0323890B2 JP H0323890 B2 JPH0323890 B2 JP H0323890B2 JP 11295380 A JP11295380 A JP 11295380A JP 11295380 A JP11295380 A JP 11295380A JP H0323890 B2 JPH0323890 B2 JP H0323890B2
- Authority
- JP
- Japan
- Prior art keywords
- focus
- cam
- lens
- helicoid
- ring
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Lens Barrels (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11295380A JPS5737307A (en) | 1980-08-19 | 1980-08-19 | Focusing mechanism of zoom lens |
GB8124964A GB2084346B (en) | 1980-08-19 | 1981-08-14 | A lens tube for a high vari-focal ratio zoom lens |
US06/586,652 US4534625A (en) | 1980-08-19 | 1984-03-08 | Lens tube for a high vari-focal ratio zoom lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11295380A JPS5737307A (en) | 1980-08-19 | 1980-08-19 | Focusing mechanism of zoom lens |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5737307A JPS5737307A (en) | 1982-03-01 |
JPH0323890B2 true JPH0323890B2 (US20030199744A1-20031023-C00003.png) | 1991-03-29 |
Family
ID=14599656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11295380A Granted JPS5737307A (en) | 1980-08-19 | 1980-08-19 | Focusing mechanism of zoom lens |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5737307A (US20030199744A1-20031023-C00003.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4484200B2 (ja) * | 2004-01-19 | 2010-06-16 | 菱栄エンジニアリング株式会社 | 歯面斜視画像の展開方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6352111A (ja) * | 1986-08-22 | 1988-03-05 | Tamuron:Kk | 内焦式ズ−ムレンズの自動焦点調節装置 |
JP2593659B2 (ja) * | 1987-06-17 | 1997-03-26 | 株式会社 タムロン | 内焦式ズームレンズ |
US5576894A (en) * | 1993-10-21 | 1996-11-19 | Minolta Co., Ltd. | Zoom lens barrel based on the vari-focal optical system |
US5748387A (en) * | 1994-02-23 | 1998-05-05 | Nikon Corporation | Zoom lens system |
JP3435585B2 (ja) * | 1994-10-06 | 2003-08-11 | コニカ株式会社 | カメラ |
JPH09145987A (ja) * | 1995-11-28 | 1997-06-06 | Nikon Corp | ズームレンズ系 |
US5790317A (en) * | 1995-12-13 | 1998-08-04 | Nikon Corporation | Zoom lens system |
JPH09211295A (ja) * | 1996-02-07 | 1997-08-15 | Nikon Corp | ズームレンズ系 |
JPH09236749A (ja) * | 1996-03-01 | 1997-09-09 | Nikon Corp | ズームレンズ系 |
KR100325181B1 (ko) * | 1999-10-02 | 2002-02-21 | 이중구 | 줌 카메라의 경통 조립체 |
-
1980
- 1980-08-19 JP JP11295380A patent/JPS5737307A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4484200B2 (ja) * | 2004-01-19 | 2010-06-16 | 菱栄エンジニアリング株式会社 | 歯面斜視画像の展開方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS5737307A (en) | 1982-03-01 |