JPS62123614U - - Google Patents
Info
- Publication number
- JPS62123614U JPS62123614U JP1188886U JP1188886U JPS62123614U JP S62123614 U JPS62123614 U JP S62123614U JP 1188886 U JP1188886 U JP 1188886U JP 1188886 U JP1188886 U JP 1188886U JP S62123614 U JPS62123614 U JP S62123614U
- Authority
- JP
- Japan
- Prior art keywords
- goes
- infrared light
- light
- detection device
- focus detection
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Focusing (AREA)
- Cameras In General (AREA)
Description
第１図は、本考案の焦点検出装置の構成図、第
２図は本考案に係る主ミラーの透過率及び受光素
子の相対感度を示す図、第３図は従来技術による
主ミラーの透過率、フイルタの透過率及び受光素
子の相対感度を示す図、第４図は従来技術による
焦点検出装置の実施例を示す図である。
１…撮影レンズ、２…主ミラー、３…ピントグ
ラス、４…ペンタプリズム、５…接眼レンズ、６
…副ミラー、７…フイルタ、８…フイルム面、９
…測距モジユール、１２…主ミラー。
Figure 1 is a block diagram of the focus detection device of the present invention, Figure 2 is a diagram showing the transmittance of the main mirror and the relative sensitivity of the light receiving element according to the present invention, and Figure 3 is the transmittance of the main mirror according to the prior art. , a diagram showing the transmittance of a filter and the relative sensitivity of a light receiving element, and FIG. 4 is a diagram showing an example of a focus detection device according to the prior art. 1... Photographing lens, 2... Main mirror, 3... Focusing glass, 4... Pentaprism, 5... Eyepiece, 6
...Secondary mirror, 7...Filter, 8...Film surface, 9
...Distance measurement module, 12...Main mirror.
Claims (1)
ダ光学系へ向う可視光と、焦点検出用光電変換器
へ向う赤外光に分割し、赤外光にて測距すること
を特徴としたカメラの焦点検出装置。 A camera focal point that splits the incident light that enters through the photographic lens into visible light that goes to the finder optical system and infrared light that goes to the photoelectric converter for focus detection, and measures the distance using the infrared light. Detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1188886U JPS62123614U (en) | 1986-01-29 | 1986-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1188886U JPS62123614U (en) | 1986-01-29 | 1986-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62123614U true JPS62123614U (en) | 1987-08-06 |
Family
ID=30799507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1188886U Pending JPS62123614U (en) | 1986-01-29 | 1986-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62123614U (en) |
-
1986
- 1986-01-29 JP JP1188886U patent/JPS62123614U/ja active Pending
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