JPS6070820U - Lens barrel with automatic focus adjustment device - Google Patents
Lens barrel with automatic focus adjustment deviceInfo
- Publication number
- JPS6070820U JPS6070820U JP16182683U JP16182683U JPS6070820U JP S6070820 U JPS6070820 U JP S6070820U JP 16182683 U JP16182683 U JP 16182683U JP 16182683 U JP16182683 U JP 16182683U JP S6070820 U JPS6070820 U JP S6070820U
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- lens barrel
- focus adjustment
- automatic focus
- distance measuring
- 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
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の自動焦点調節装置を備えたレンズ鏡筒の
断面図、第２図はプリズムホルダの斜視図、第３゛図は
自動調節の原理図、第４図はズームレンズの外観図、第
５図、第６図は本考案に係る自動焦点調節装置を備えた
レンズ鏡筒の一実施例を示し、第５図はその断面図、第
６図は要部斜視図である。
符号１，２はレンズ群、４は固定鏡筒、５は距離操作環
、１４はプリズムホルダ、１５はプリズム、１７は投光
レンズ、１９は投光素子、２３は指標環、２４は受光レ
ンズ、２６は受光素子、２７は受光素子ホルダである。Figure 1 is a sectional view of a lens barrel equipped with a conventional automatic focus adjustment device, Figure 2 is a perspective view of a prism holder, Figure 3 is a diagram of the principle of automatic adjustment, and Figure 4 is an external view of a zoom lens. , FIG. 5, and FIG. 6 show an embodiment of a lens barrel equipped with an automatic focusing device according to the present invention, FIG. 5 is a sectional view thereof, and FIG. 6 is a perspective view of a main part thereof. 1 and 2 are lens groups, 4 is a fixed lens barrel, 5 is a distance operation ring, 14 is a prism holder, 15 is a prism, 17 is a light projecting lens, 19 is a light projecting element, 23 is an index ring, and 24 is a light receiving lens , 26 is a light receiving element, and 27 is a light receiving element holder.
Claims (1)
し、第１の測距用素子を含む第１の光学系はその一部を
撮影光学系と兼用しており、更に撮影光学系と前記第１
の光学系との光路を分割する光学部品を固定するための
機械部品の一部に、第２の測距用素子を含む第２の光学
系の少なくとも一部を取り付けたことを特徴とする自動
焦点調節装置を備えたレンス］鏡筒。 ２ 前記第７１の測距用素子を投光素子、第２の測距用
素子を受光素子とした実用新案登録請求の範囲第１項に
記載の自動焦点調節装置を備えたレンズ鏡筒。[Claims for Utility Model Registration] 1. A first optical system having a first and a second distance measuring element for automatic focus adjustment, and a first optical system including the first distance measuring element has a part as a photographing optical system. It also serves as the photographing optical system and the first
At least a part of a second optical system including a second ranging element is attached to a part of a mechanical part for fixing an optical part that splits an optical path with an optical system. [lens] lens barrel equipped with a focusing device. 2. A lens barrel equipped with an automatic focusing device according to claim 1, wherein the 71st distance measuring element is a light projecting element and the second distance measuring element is a light receiving element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16182683U JPS6070820U (en) | 1983-10-19 | 1983-10-19 | Lens barrel with automatic focus adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16182683U JPS6070820U (en) | 1983-10-19 | 1983-10-19 | Lens barrel with automatic focus adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6070820U true JPS6070820U (en) | 1985-05-18 |
Family
ID=30355533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16182683U Pending JPS6070820U (en) | 1983-10-19 | 1983-10-19 | Lens barrel with automatic focus adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6070820U (en) |
-
1983
- 1983-10-19 JP JP16182683U patent/JPS6070820U/en active Pending
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