JP6669025B2 - レンズ鏡筒 - Google Patents
レンズ鏡筒 Download PDFInfo
- Publication number
- JP6669025B2 JP6669025B2 JP2016182783A JP2016182783A JP6669025B2 JP 6669025 B2 JP6669025 B2 JP 6669025B2 JP 2016182783 A JP2016182783 A JP 2016182783A JP 2016182783 A JP2016182783 A JP 2016182783A JP 6669025 B2 JP6669025 B2 JP 6669025B2
- Authority
- JP
- Japan
- Prior art keywords
- screw
- frame
- hole
- holding member
- lens barrel
- 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.)
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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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
-
- 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
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
-
- 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
- G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
-
- 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
- G02B7/025—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using glue
-
- 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
- G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
-
- 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
-
- 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
- G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
- G03B17/565—Optical accessories, e.g. converters for close-up photography, tele-convertors, wide-angle convertors
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
- G03B3/10—Power-operated focusing
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B5/06—Swinging lens about normal to the optical axis
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Description
まず、本開示に係る一態様の着眼点が説明される。上述のように、特許文献1のレンズ鏡筒では、3つの調整ねじがねじ穴にねじ止めされており、これらの3つの調整ねじを締めたり緩めたりすることで、保持枠の光軸に対する傾き及び位置が調整されている。
以下、図面を参照しつつ、本開示の実施の形態が説明される。なお、各図では、同様の要素には同様の符号が付され、適宜、説明が省略される。
(1)上記実施形態において、レンズ群保持枠5dの延設部56の貫通孔56aの形状は、光軸方向(X−Y方向)に見た平面視で円形に限られない。
2 固定筒
22 第2固定筒
23 ねじ穴
23a 雌ねじ部
23b 穴部
5d レンズ群保持枠
54 レンズ群
56 延設部
56a 貫通孔
56c 当接部
59 調整部
61 調整用ねじ
61a ねじ頭
61b 位置決め部
61c 嵌合部
61d 雄ねじ部
61f ねじ軸
62 付勢部材
Claims (6)
- 光学素子を保持する枠体と、
前記枠体を保持する筒状の枠体保持部材と、
前記光学素子の光軸が前記枠体保持部材の所定軸と平行になるように、前記枠体保持部材の前記所定軸に対する前記枠体の傾きを調整する調整部と、
を備えるレンズ鏡筒であって、
前記調整部は、
ねじ頭と雄ねじ部が形成されたねじ軸とを有する調整用ねじと、
前記枠体保持部材に、前記光軸と平行な方向に沿って延びるように、かつ前記雄ねじ部と螺合可能に形成された雌ねじ部と、
前記枠体に、前記光軸と平行な方向に沿って穿設された貫通孔と、
前記ねじ軸が前記貫通孔に挿通されると前記ねじ頭に当接する前記貫通孔の周囲の当接部と、
前記枠体保持部材に、前記雌ねじ部に連続して形成された穴部と、
を含み、
前記ねじ軸は、前記雄ねじ部から前記調整用ねじのねじ先側に延設され、前記穴部に嵌合する嵌合部を有し、
前記レンズ鏡筒は、前記枠体と前記枠体保持部材との間に配置され、前記当接部が前記ねじ頭に当接するように、前記枠体を前記枠体保持部材から離れる向きに付勢する付勢部材を更に備え、
前記付勢部材は、内部に前記ねじ軸が挿通し、前記雄ねじ部の周囲に配設された圧縮コイルばねである、
レンズ鏡筒。 - 前記枠体保持部材及び前記調整用ねじは、それぞれ、金属製である、
請求項1に記載のレンズ鏡筒。 - 前記雌ねじ部は、前記枠体保持部材に予め形成されている、
請求項2に記載のレンズ鏡筒。 - 前記ねじ軸は、前記ねじ頭と前記雄ねじ部との間に形成され、前記貫通孔に挿通する位置決め部を更に有する、
請求項1〜3のいずれか1項に記載のレンズ鏡筒。 - 前記調整部は、前記枠体保持部材の周方向に沿って3箇所に設けられている、
請求項1〜4のいずれか1項に記載のレンズ鏡筒。 - 前記貫通孔は、前記光軸に平行な方向から見た平面視において、前記枠体保持部材の周方向における長さより径方向における長さの方が長い長孔に形成されている、
請求項5に記載のレンズ鏡筒。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016182783A JP6669025B2 (ja) | 2016-09-20 | 2016-09-20 | レンズ鏡筒 |
US15/706,951 US10203473B2 (en) | 2016-09-20 | 2017-09-18 | Lens barrel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016182783A JP6669025B2 (ja) | 2016-09-20 | 2016-09-20 | レンズ鏡筒 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018049049A JP2018049049A (ja) | 2018-03-29 |
JP6669025B2 true JP6669025B2 (ja) | 2020-03-18 |
Family
ID=61620952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016182783A Active JP6669025B2 (ja) | 2016-09-20 | 2016-09-20 | レンズ鏡筒 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10203473B2 (ja) |
JP (1) | JP6669025B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111919156B (zh) * | 2018-03-02 | 2022-07-15 | 古奇及豪斯格公共有限公司 | 用于保持光学装置对准的安装环 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009156960A (ja) | 2007-12-25 | 2009-07-16 | Nikon Corp | レンズ鏡筒 |
-
2016
- 2016-09-20 JP JP2016182783A patent/JP6669025B2/ja active Active
-
2017
- 2017-09-18 US US15/706,951 patent/US10203473B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2018049049A (ja) | 2018-03-29 |
US20180081145A1 (en) | 2018-03-22 |
US10203473B2 (en) | 2019-02-12 |
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