JPS6148683B2 - - Google Patents
Info
- Publication number
- JPS6148683B2 JPS6148683B2 JP54040723A JP4072379A JPS6148683B2 JP S6148683 B2 JPS6148683 B2 JP S6148683B2 JP 54040723 A JP54040723 A JP 54040723A JP 4072379 A JP4072379 A JP 4072379A JP S6148683 B2 JPS6148683 B2 JP S6148683B2
- Authority
- JP
- Japan
- Prior art keywords
- ring
- switching
- guide
- close
- optical axis
- 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 56
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 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
- G02B7/105—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 with movable lens means specially adapted for focusing at close distances
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4072379A JPS55133006A (en) | 1979-04-04 | 1979-04-04 | Close-up photographing changeover device of zoom lens barrel |
GB8009361A GB2046469B (en) | 1979-04-04 | 1980-03-20 | Zoom lens system having a close focus facility |
US06/132,714 US4324457A (en) | 1979-04-04 | 1980-03-21 | Macro photographic change-over device for zoom lens barrel |
DE3012713A DE3012713C2 (de) | 1979-04-04 | 1980-04-01 | Varioobjektivfassung mit einer Einrichtung zum Überwechseln vom Variobetrieb zum Makrobetrieb und umgekehrt |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4072379A JPS55133006A (en) | 1979-04-04 | 1979-04-04 | Close-up photographing changeover device of zoom lens barrel |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55133006A JPS55133006A (en) | 1980-10-16 |
JPS6148683B2 true JPS6148683B2 ( ) | 1986-10-25 |
Family
ID=12588515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4072379A Granted JPS55133006A (en) | 1979-04-04 | 1979-04-04 | Close-up photographing changeover device of zoom lens barrel |
Country Status (4)
Country | Link |
---|---|
US (1) | US4324457A ( ) |
JP (1) | JPS55133006A ( ) |
DE (1) | DE3012713C2 ( ) |
GB (1) | GB2046469B ( ) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5740211A (en) * | 1980-08-22 | 1982-03-05 | Canon Inc | Construction of zoom lens capable of extreme proximity photographing |
JPS5961804A (ja) * | 1982-09-30 | 1984-04-09 | Matsushita Electric Ind Co Ltd | レンズ鏡胴 |
US4806000A (en) * | 1985-02-13 | 1989-02-21 | Nikon Corporation | Zoom lens capable of macro photography |
JPH0625817B2 (ja) * | 1987-12-21 | 1994-04-06 | 旭光学工業株式会社 | ズームレンズ鏡筒のマクロ撮影機構 |
JP2524455Y2 (ja) * | 1988-06-01 | 1997-01-29 | 旭光学工業株式会社 | ズームレンズのカム構造 |
US5231449A (en) * | 1988-06-03 | 1993-07-27 | Asahi Kogaku Kogyo Kabushiki Kaisha | Zoom lens barrel and camera incorporating such barrel |
CA1331429C (en) * | 1988-06-03 | 1994-08-16 | Hiroshi Nomura | Zoom lens barrel and camera incorporating such barrel |
US5262898A (en) * | 1988-06-03 | 1993-11-16 | Asahi Kogaku Kogyo Kabushiki Kaisha | Zoom lens barrel and camera incorporating such barrel |
GB2261303B (en) * | 1989-03-31 | 1993-09-15 | Asahi Optical Co Ltd | Zooming adjustment of a zoom lens |
US5161066A (en) * | 1989-12-25 | 1992-11-03 | Asahi Kogaku Kogyo Kabushiki Kaisha | Engaging mechanism of roller and guide groove in optical element |
JP2559247Y2 (ja) * | 1990-01-19 | 1998-01-14 | 旭光学工業株式会社 | レンズの移動機構 |
JP2971899B2 (ja) * | 1990-02-14 | 1999-11-08 | 旭光学工業株式会社 | ズームレンズ鏡筒 |
US5386740A (en) * | 1991-09-30 | 1995-02-07 | Asahi Kogaku Kogyo Kabushiki Kaisha | Rotary feed mechanism |
JP3462619B2 (ja) * | 1995-05-12 | 2003-11-05 | ペンタックス株式会社 | ズームレンズ鏡筒 |
US5812325A (en) * | 1996-01-26 | 1998-09-22 | Asahi Kogaku Kogyo Kabushiki Kaisha | Telescoping-type of zoom lens |
US5812887A (en) * | 1996-01-26 | 1998-09-22 | Asahi Kogaku Kogyo Kabushiki Kaisha | Lens supporting structure |
JP3964500B2 (ja) * | 1997-06-30 | 2007-08-22 | ペンタックス株式会社 | 焦点調節操作切換機構を持つレンズ鏡筒 |
JP4539696B2 (ja) * | 2007-09-04 | 2010-09-08 | ソニー株式会社 | レンズ鏡筒及び撮像装置 |
JP5219669B2 (ja) * | 2008-07-28 | 2013-06-26 | キヤノン株式会社 | レンズ装置及び光学機器 |
KR102072225B1 (ko) * | 2012-10-05 | 2020-02-03 | 삼성전자주식회사 | 줌 렌즈 경통 조립체 및 이를 구비한 촬영장치 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4826726Y1 ( ) * | 1969-05-19 | 1973-08-06 | ||
JPS5510885B1 ( ) * | 1970-08-18 | 1980-03-19 | ||
US3784285A (en) * | 1972-06-01 | 1974-01-08 | Ponder & Best | Zoom lens |
US3841735A (en) * | 1972-07-17 | 1974-10-15 | Sanko Kogaku Kogyo Kk | Zoom lens system operable for extremely short distance photography |
DE2346758B2 (de) * | 1973-09-17 | 1981-05-07 | Robert Bosch Photokino Gmbh, 7000 Stuttgart | Aufnahmeobjektiv mit veränderbarer Brennweite |
JPS5638482Y2 ( ) * | 1976-04-09 | 1981-09-08 | ||
JPS5929842B2 (ja) * | 1977-04-08 | 1984-07-24 | ミノルタ株式会社 | 移動装置 |
-
1979
- 1979-04-04 JP JP4072379A patent/JPS55133006A/ja active Granted
-
1980
- 1980-03-20 GB GB8009361A patent/GB2046469B/en not_active Expired
- 1980-03-21 US US06/132,714 patent/US4324457A/en not_active Expired - Lifetime
- 1980-04-01 DE DE3012713A patent/DE3012713C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2046469B (en) | 1984-01-25 |
DE3012713C2 (de) | 1984-05-03 |
GB2046469A (en) | 1980-11-12 |
DE3012713A1 (de) | 1980-10-09 |
US4324457A (en) | 1982-04-13 |
JPS55133006A (en) | 1980-10-16 |
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