JPS61188113U - - Google Patents
Info
- Publication number
- JPS61188113U JPS61188113U JP7115085U JP7115085U JPS61188113U JP S61188113 U JPS61188113 U JP S61188113U JP 7115085 U JP7115085 U JP 7115085U JP 7115085 U JP7115085 U JP 7115085U JP S61188113 U JPS61188113 U JP S61188113U
- Authority
- JP
- Japan
- Prior art keywords
- light
- dichroic mirror
- optical
- photoelectric conversion
- 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
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
Description
第１図は本考案の第１実施例を示す光学断面図
。第２図は別実施例の要部断面図。第３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 main part of another embodiment. FIG. 3 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 projecting/receiving lens, 15 is a light receiving lens, 16 is a photoelectric conversion element for focus detection, and 19 is a light receiving element for AWB adjustment.
Claims (1)
夫々の光路上に配され不可視領域の光を透過し、
可視領域の光を反射するダイクロイツクミラーと
、焦点検知光をダイクロイツクミラーを透過させ
て第１光学系から物体へ照射する照射源と、物体
で反射し第２光学系で受光した焦点検知光をダイ
クロイツクミラーを透過させて受光する光電変換
手段と、外光をダイクロイツクミラーで反射させ
て受光する色温度検知のための別の光電変換手段
とを具備する光学装置。 first and second optical systems; disposed on the respective optical paths of the first and second optical systems and transmitting light in an invisible region;
A dichroic mirror that reflects light in the visible range, an irradiation source that transmits focus detection light through the dichroic mirror and irradiates it from a first optical system to an object, and a focus detection light that is reflected by the object and received by a second optical system. An optical device comprising a photoelectric conversion means for transmitting external light through a dichroic mirror and receiving the light, and another photoelectric conversion means for color temperature detection that receives external light by reflecting it on the dichroic mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7115085U JPS61188113U (en) | 1985-05-14 | 1985-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7115085U JPS61188113U (en) | 1985-05-14 | 1985-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61188113U true JPS61188113U (en) | 1986-11-22 |
Family
ID=30608380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7115085U Pending JPS61188113U (en) | 1985-05-14 | 1985-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61188113U (en) |
-
1985
- 1985-05-14 JP JP7115085U patent/JPS61188113U/ja active Pending