JPS63157721U - - Google Patents
Info
- Publication number
- JPS63157721U JPS63157721U JP5035787U JP5035787U JPS63157721U JP S63157721 U JPS63157721 U JP S63157721U JP 5035787 U JP5035787 U JP 5035787U JP 5035787 U JP5035787 U JP 5035787U JP S63157721 U JPS63157721 U JP S63157721U
- Authority
- JP
- Japan
- Prior art keywords
- prism
- roof
- reflects
- optical system
- objective 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 description 3
- 230000004907 flux Effects 0.000 claims 1
- 238000003384 imaging method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 101100498160 Mus musculus Dach1 gene Proteins 0.000 description 1
Landscapes
- Viewfinders (AREA)
Description
第１図は本考案によるフアインダー光学系の第
１実施例の構成を示す図、第２図は第２実施例の
構成を示す図、第３図及び第４図は夫々従来例及
び他の従来例の構成を示す図である。
１……対物レンズ、３……スクリーンマツト、
５……接眼レンズ、７……ハーフミラー面、８…
…物体側反射面、９……分割ミラープリズム、１
０……固体撮像素子、１１……ダハプリズム、１
２……ダハ面、１３，１４……光線、１５，１６
……切り込み。
FIG. 1 is a diagram showing the configuration of a first embodiment of the finder optical system according to the present invention, FIG. 2 is a diagram showing the configuration of the second embodiment, and FIGS. 3 and 4 are diagrams showing a conventional example and another conventional example, respectively. FIG. 2 is a diagram showing an example configuration. 1...Objective lens, 3...Screen mat,
5...Eyepiece lens, 7...Half mirror surface, 8...
...Object side reflective surface, 9...Divided mirror prism, 1
0... Solid-state image sensor, 11... Roof prism, 1
2...Dach surface, 13,14...Light rays, 15,16
...notch.
Claims (1)
一部を撮像部の方へ透過すると共に他部を反射す
る半透面及び該半透面からの反射光を再び反射す
る面を有するプリズムと、該プリズムからの光を
反射するダハ面を有するダハプリズムと、該ダハ
プリズムを通して像を観察する接眼レンズとから
成るフアインダー光学系において、上記ダハプリ
ズムのダハ稜に対面する面から有効光束通過部分
近傍に達する切り込みを設けたことを特徴とする
フアインダー光学系。 an objective lens, a prism having a semi-transparent surface that transmits a part of the light flux passing through the objective lens toward an imaging unit and reflects the other part, and a surface that reflects the reflected light from the semi-transparent surface again; In a finder optical system consisting of a roof prism having a roof surface that reflects light from the prism and an eyepiece for observing an image through the roof prism, a cut that reaches near the effective light beam passage portion from the surface facing the roof ridge of the roof prism. A finder optical system characterized by the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5035787U JPS63157721U (en) | 1987-04-02 | 1987-04-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5035787U JPS63157721U (en) | 1987-04-02 | 1987-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63157721U true JPS63157721U (en) | 1988-10-17 |
Family
ID=30873647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5035787U Pending JPS63157721U (en) | 1987-04-02 | 1987-04-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63157721U (en) |
-
1987
- 1987-04-02 JP JP5035787U patent/JPS63157721U/ja active Pending
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