JPS6398516U - - Google Patents
Info
- Publication number
- JPS6398516U JPS6398516U JP19311386U JP19311386U JPS6398516U JP S6398516 U JPS6398516 U JP S6398516U JP 19311386 U JP19311386 U JP 19311386U JP 19311386 U JP19311386 U JP 19311386U JP S6398516 U JPS6398516 U JP S6398516U
- Authority
- JP
- Japan
- Prior art keywords
- automatic focusing
- optical system
- light
- focusing optical
- imaging lens
- 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
- 230000003287 optical effect Effects 0.000 claims 10
- 238000003384 imaging method Methods 0.000 claims 5
- 230000001154 acute effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Focusing (AREA)
Description
第２図は従来技術の一実施例を示す図、第１図
は本考案の一実施例を示す図、第３図、第４図、
第５図は本考案の他の実施例を示す図である。
１：被写体、２：レンズ、３：結像面、４，４
ａ，４ｂ：ハーフミラー、５ａ，５ｂ：センサ、
７ａ，７ｂ：自動合焦装置用の入射光線、８ａ，
８ｂ：自動合焦装置用のレンズ、９：センサ駆動
装置、１０：信号処理器、１１：モータ。
Fig. 2 shows an embodiment of the prior art, Fig. 1 shows an embodiment of the present invention, Figs. 3, 4,
FIG. 5 is a diagram showing another embodiment of the present invention. 1: Subject, 2: Lens, 3: Image plane, 4, 4
a, 4b: half mirror, 5a, 5b: sensor,
7a, 7b: incident light beam for automatic focusing device, 8a,
8b: Lens for automatic focusing device, 9: Sensor drive device, 10: Signal processor, 11: Motor.
Claims (1)
自動合焦装置用に利用する自動合焦光学系と、該
撮像レンズの結像面における合焦状態を自動合焦
光学系からの情報によつて判別する手段と、該判
別結果に基づいて前記撮像レンズの前記結像面に
おける合焦状態を制御する手段とから成る自動合
焦装置において、自動合焦光学系用受光素子の受
光面と自動合焦光学系の光軸のなす角度が鋭角と
なるよう該自動合焦光学系用受光素子と該自動合
焦光学系を配置したことを特徴とする自動合焦装
置。 An imaging lens, an automatic focusing optical system that receives part of the light from the imaging optical system and uses it for an automatic focusing device, and information from the automatic focusing optical system about the focusing state on the imaging plane of the imaging lens. and means for controlling the focusing state of the image-forming surface of the imaging lens based on the determination result, the light-receiving surface of the light-receiving element for the automatic focusing optical system. An automatic focusing device characterized in that the light receiving element for the automatic focusing optical system and the automatic focusing optical system are arranged so that the angle formed by the optical axis of the automatic focusing optical system and the optical axis of the automatic focusing optical system is an acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19311386U JPS6398516U (en) | 1986-12-17 | 1986-12-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19311386U JPS6398516U (en) | 1986-12-17 | 1986-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6398516U true JPS6398516U (en) | 1988-06-25 |
Family
ID=31148832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19311386U Pending JPS6398516U (en) | 1986-12-17 | 1986-12-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6398516U (en) |
-
1986
- 1986-12-17 JP JP19311386U patent/JPS6398516U/ja active Pending