JPS58121003U - Focus adjustment lens barrel - Google Patents
Focus adjustment lens barrelInfo
- Publication number
- JPS58121003U JPS58121003U JP1714182U JP1714182U JPS58121003U JP S58121003 U JPS58121003 U JP S58121003U JP 1714182 U JP1714182 U JP 1714182U JP 1714182 U JP1714182 U JP 1714182U JP S58121003 U JPS58121003 U JP S58121003U
- Authority
- JP
- Japan
- Prior art keywords
- lens barrel
- focus adjustment
- adjustment lens
- cylindrical member
- guide 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.)
- Pending
Links
Landscapes
- Lens Barrels (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来のフォーカス調整角の鏡筒の断面図、第
２図は本考案のフォーカス調整用鏡筒の一実施例を示す
断面図、第３図、第４図は本考案のフォーカス調整機構
の主要部を拡大した断面図である。
３・・・案内溝、４・・・案内ピン、５・・・押さえば
□ね。Fig. 1 is a sectional view of a conventional focus adjustment lens barrel, Fig. 2 is a sectional view showing an embodiment of the focus adjustment lens barrel of the present invention, and Figs. FIG. 3 is an enlarged cross-sectional view of the main part of the adjustment mechanism. 3...Guide groove, 4...Guide pin, 5...Press □.
Claims (1)
つフォーカシング操作により固定鏡筒に対しｉ動可能な
移動円筒部材に保持されたフォーカシングレンズを移動
させて、合焦させる機能含有したズームレンズ鏡胴にお
いて、前記固定鏡筒側面に断面が台形形状をなした案内
溝を少な（とも１本以上構成し、この案内溝に沿って移
動する案内ピンにより前記移動円筒部材の移動を規制し
、フォーカス調整を行なわせるようにしたことを特徴と
するフォーカス調整用鏡楠。A zoom lens that is capable of variable magnification such as wide-angle, standard, and telephoto, and that has a function to focus by moving the focusing lens held by a movable cylindrical member that can be moved relative to a fixed lens barrel by a focusing operation. In the lens barrel, a guide groove having a trapezoidal cross section is formed on a side surface of the fixed lens barrel, and the movement of the movable cylindrical member is restricted by a guide pin that moves along the guide groove. A mirror camphor for focus adjustment, characterized in that it allows focus adjustment to be performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1714182U JPS58121003U (en) | 1982-02-12 | 1982-02-12 | Focus adjustment lens barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1714182U JPS58121003U (en) | 1982-02-12 | 1982-02-12 | Focus adjustment lens barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58121003U true JPS58121003U (en) | 1983-08-17 |
Family
ID=30029471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1714182U Pending JPS58121003U (en) | 1982-02-12 | 1982-02-12 | Focus adjustment lens barrel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58121003U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5987413A (en) * | 1982-11-11 | 1984-05-21 | Matsushita Electric Ind Co Ltd | Moving device of lens |
| JPS61232409A (en) * | 1985-04-08 | 1986-10-16 | Canon Inc | Lens barrel |
| JPS6374608U (en) * | 1986-11-04 | 1988-05-18 | ||
| JP2011017769A (en) * | 2009-07-07 | 2011-01-27 | Canon Inc | Optical device |
| JP2013068711A (en) * | 2011-09-21 | 2013-04-18 | Konica Minolta Advanced Layers Inc | Lens barrel and lens unit |
-
1982
- 1982-02-12 JP JP1714182U patent/JPS58121003U/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5987413A (en) * | 1982-11-11 | 1984-05-21 | Matsushita Electric Ind Co Ltd | Moving device of lens |
| JPS61232409A (en) * | 1985-04-08 | 1986-10-16 | Canon Inc | Lens barrel |
| JPS6374608U (en) * | 1986-11-04 | 1988-05-18 | ||
| JP2011017769A (en) * | 2009-07-07 | 2011-01-27 | Canon Inc | Optical device |
| JP2013068711A (en) * | 2011-09-21 | 2013-04-18 | Konica Minolta Advanced Layers Inc | Lens barrel and lens unit |
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