JPS59126208U - Receiving lens for autofocus - Google Patents
Receiving lens for autofocusInfo
- Publication number
- JPS59126208U JPS59126208U JP1979883U JP1979883U JPS59126208U JP S59126208 U JPS59126208 U JP S59126208U JP 1979883 U JP1979883 U JP 1979883U JP 1979883 U JP1979883 U JP 1979883U JP S59126208 U JPS59126208 U JP S59126208U
- Authority
- JP
- Japan
- Prior art keywords
- light
- autofocus
- receiving
- receiving lens
- optical
- 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
- Focusing (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ａ、 ｂは従来のアクティブオートフォーカス
の受光系の構成図、第２図はアクティブオートフォーカ
ス光学系の説明図、第３図は本考案に係るオートフォー
カス用受光レンズの一実施例の構成図である。Figures 1a and b are block diagrams of a conventional active autofocus light receiving system, Figure 2 is an explanatory diagram of an active autofocus optical system, and Figure 3 is an example of an autofocus light receiving lens according to the present invention. FIG.
Claims (1)
れた波長領域光を被検体に投光し、前記受光系は投光さ
れた光のみを受光することによって焦点検出を行うアク
ティブオートフォーカス光学系において、前記受光系に
用いられる受光レンズは、色素を混入した光学部材から
成り、投光した光の波長領域のみを透過する光学特性を
有することを特徴とするオートフォーカス用受光レンズ
。 ２ 投光系と受光系とは成る基線長を隔てて配置した実
用新案登録請求の範囲第１項に記載のオートフォーカス
用受光レンズ。 ３ 前記アクティブオートフォーカス光学系で使用する
光は、赤外光とした実用新案登録請求の範囲第１項に記
載のオートフォーカス用受光レンズ。[Claims for Utility Model Registration] 1. Comprising a light projecting system and a light receiving system, the light projecting system projects light in a limited wavelength range to the subject, and the light receiving system projects only the projected light. In an active autofocus optical system that performs focus detection by receiving light, the light-receiving lens used in the light-receiving system is made of an optical member mixed with a dye, and has an optical property of transmitting only the wavelength range of the emitted light. An autofocus light-receiving lens characterized by: 2. The light-receiving lens for autofocus according to claim 1 of the utility model registration claim, in which the light-emitting system and the light-receiving system are arranged separated by a baseline length. 3. The autofocus light-receiving lens according to claim 1, wherein the light used in the active autofocus optical system is infrared light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979883U JPS59126208U (en) | 1983-02-14 | 1983-02-14 | Receiving lens for autofocus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979883U JPS59126208U (en) | 1983-02-14 | 1983-02-14 | Receiving lens for autofocus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59126208U true JPS59126208U (en) | 1984-08-25 |
Family
ID=30150934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979883U Pending JPS59126208U (en) | 1983-02-14 | 1983-02-14 | Receiving lens for autofocus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59126208U (en) |
-
1983
- 1983-02-14 JP JP1979883U patent/JPS59126208U/en active Pending
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