JPS61187179U - - Google Patents
Info
- Publication number
- JPS61187179U JPS61187179U JP6914485U JP6914485U JPS61187179U JP S61187179 U JPS61187179 U JP S61187179U JP 6914485 U JP6914485 U JP 6914485U JP 6914485 U JP6914485 U JP 6914485U JP S61187179 U JPS61187179 U JP S61187179U
- Authority
- JP
- Japan
- Prior art keywords
- light
- photoelectric conversion
- conversion means
- focus detection
- receiving system
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 3
Landscapes
- Color Television Image Signal Generators (AREA)
Description
第1図は本考案の第1実施例を示す光学断面図
。第2図は従来例の断面図。
図中、10はダイクロイツクミラー、11は焦
点検知用近赤外光源、12は投受光レンズ、15
は受光レンズ、16は焦点検知用光電変換素子、
19はAWB調整用受光素子。
FIG. 1 is an optical sectional view showing a first embodiment of the present invention. FIG. 2 is a sectional view of a conventional example. In the figure, 10 is a dichroic mirror, 11 is a near-infrared light source for focus detection, 12 is a light emitting/receiving lens, and 15
is a light receiving lens, 16 is a photoelectric conversion element for focus detection,
19 is a light receiving element for AWB adjustment.
Claims (1)
源を具える投光系と、物体からの焦点検知光を受
光するためで、焦点検知用の第1光電変換手段を
具える受光系と、オートホワイトバランス調整の
ためで外光の色温度を検知するための第2光電変
換手段を有し、物体で反射した焦点検知光を第1
光電変換手段へ向けて透過させ、可視領域の外光
を第2光電変換手段へ向けて反射させるダイクロ
イツクミラーを受光系の光路上に配置したことを
特徴とする光学装置。 a light projection system for projecting focus detection light in an invisible region and including a light projection source; a light receiving system for receiving focus detection light from an object and including a first photoelectric conversion means for focus detection; It has a second photoelectric conversion means for detecting the color temperature of external light for automatic white balance adjustment, and converts focus detection light reflected from an object into a first photoelectric conversion means.
An optical device characterized in that a dichroic mirror is disposed on the optical path of a light receiving system to transmit external light in the visible region toward a photoelectric conversion means and reflect it toward a second photoelectric conversion means.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6914485U JPS61187179U (en) | 1985-05-10 | 1985-05-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6914485U JPS61187179U (en) | 1985-05-10 | 1985-05-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61187179U true JPS61187179U (en) | 1986-11-21 |
Family
ID=30604544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6914485U Pending JPS61187179U (en) | 1985-05-10 | 1985-05-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61187179U (en) |
-
1985
- 1985-05-10 JP JP6914485U patent/JPS61187179U/ja active Pending