JPS6028721U - Camera focus detection device - Google Patents
Camera focus detection deviceInfo
- Publication number
- JPS6028721U JPS6028721U JP12067483U JP12067483U JPS6028721U JP S6028721 U JPS6028721 U JP S6028721U JP 12067483 U JP12067483 U JP 12067483U JP 12067483 U JP12067483 U JP 12067483U JP S6028721 U JPS6028721 U JP S6028721U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- detection device
- focus detection
- condenser lens
- mask member
- 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.)
- Granted
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図乃至第６図は、本考案の一実施例を示しており、
第１図は一眼レフレツ渋スカメラの側面断面図、第２図
は基本光学系の配置図、第３図は焦点検出装置の分解斜
視図、第４図は平面図、第５図は側面断面図、第６図は
下方から見た分解斜視図である。第７図および第８図は
、変形実施例を示しており、−第７図は分解斜視図、第
８図は側面断面図である。
ＬＣ・・・コンデンサレンズ、Ｌｌ、Ｌ２・・・結像レ
ンズ、１８・・・ラインセンサ、１２・・・視野マスク
部材。1 to 6 show an embodiment of the present invention,
Figure 1 is a side sectional view of a single-lens reflex reflex camera, Figure 2 is a layout of the basic optical system, Figure 3 is an exploded perspective view of the focus detection device, Figure 4 is a plan view, and Figure 5 is a side sectional view. , FIG. 6 is an exploded perspective view seen from below. 7 and 8 show a modified embodiment; FIG. 7 is an exploded perspective view, and FIG. 8 is a side sectional view. LC: condenser lens, Ll, L2: imaging lens, 18: line sensor, 12: visual field mask member.
Claims (1)
ズによって結像した像を再結像する２つ゛ の結像レ
ンズおよびその結像レンズの前方に配置すしたコンデン
サレンズと、その結像レンズによって再結像した２つの
像の相対位置を検出するためのラインセンサとが、一体
のモジュールを形成するように結合された焦点検出装置
において、上、記コンデンサレンズお前方に配置され、
上記ラインセンサの視野を規制する視野マスク部材が、
上記コンデンサレンズと共に、撮影レンズの予定焦点位
置より後方に配置されるとともに、上記視野マスク部材
が上記コンデンサレンズの押え部材を兼用するよう形成
されて上記モジュールに一体的に結合されたことを特徴
とする焦点検出装置。Two imaging lenses are placed behind the expected focal position of the taking lens and re-form the image formed by the taking lens, a condenser lens is placed in front of the imaging lenses, and the imaging lens A line sensor for detecting the relative position of the two re-formed images is arranged in front of the condenser lens in a focus detection device combined to form an integrated module,
The field mask member that regulates the field of view of the line sensor is
The field mask member is disposed together with the condenser lens at a position rearward from the expected focal point position of the photographing lens, and the field mask member is formed to also serve as a holding member for the condenser lens and is integrally coupled to the module. Focus detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12067483U JPS6028721U (en) | 1983-08-01 | 1983-08-01 | Camera focus detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12067483U JPS6028721U (en) | 1983-08-01 | 1983-08-01 | Camera focus detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6028721U true JPS6028721U (en) | 1985-02-26 |
| JPH0516569Y2 JPH0516569Y2 (en) | 1993-04-30 |
Family
ID=30276476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12067483U Granted JPS6028721U (en) | 1983-08-01 | 1983-08-01 | Camera focus detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6028721U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5282419A (en) * | 1975-12-26 | 1977-07-09 | Leitz Ernst Gmbh | Device for deciding photoelectrically position of image sharp plane |
| JPS5557709U (en) * | 1978-10-17 | 1980-04-19 | ||
| JPS58106511A (en) * | 1981-12-19 | 1983-06-24 | Canon Inc | Focusing detecting optical system |
-
1983
- 1983-08-01 JP JP12067483U patent/JPS6028721U/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5282419A (en) * | 1975-12-26 | 1977-07-09 | Leitz Ernst Gmbh | Device for deciding photoelectrically position of image sharp plane |
| JPS5557709U (en) * | 1978-10-17 | 1980-04-19 | ||
| JPS58106511A (en) * | 1981-12-19 | 1983-06-24 | Canon Inc | Focusing detecting optical system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0516569Y2 (en) | 1993-04-30 |
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