JPS6181640U - - Google Patents
Info
- Publication number
- JPS6181640U JPS6181640U JP16609684U JP16609684U JPS6181640U JP S6181640 U JPS6181640 U JP S6181640U JP 16609684 U JP16609684 U JP 16609684U JP 16609684 U JP16609684 U JP 16609684U JP S6181640 U JPS6181640 U JP S6181640U
- Authority
- JP
- Japan
- Prior art keywords
- photographic lens
- semi
- passed
- reflective surface
- finder
- 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
- 230000004907 flux Effects 0.000 claims 1
- 230000011514 reflex Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Cameras In General (AREA)
- Viewfinders (AREA)
Description
第１図は本考案の一実施例の光学系の概略図で
ある。図中１は撮影レンズ、２は半透過反射面、
３は光分割器、４は光軸、７は半透過反射面２の
法線、８は撮影面、９は焦点板、１０は視野枠、
１１はダハプリズム、１２は接眼レンズ、点線は
光分割器３を光軸４と垂直方向へ移動したときの
位置を示す。
FIG. 1 is a schematic diagram of an optical system according to an embodiment of the present invention. In the figure, 1 is a photographic lens, 2 is a transflective surface,
3 is a light splitter, 4 is an optical axis, 7 is a normal to the transflective surface 2, 8 is a photographing surface, 9 is a focus plate, 10 is a field frame,
11 is a roof prism, 12 is an eyepiece lens, and the dotted line indicates the position when the light splitter 3 is moved in a direction perpendicular to the optical axis 4.
Claims (1)
た光束の一部をフアインダー系に導光する為の半
透過反射面を有する光分割器を配置し、前記半透
過反射面を前記撮影レンズの光軸と前記半透過反
射面の法線とを含む面内で移動させることにより
フアインダー像の視差を調整するようにしたこと
を特徴とする一眼レフカメラの視差調整装置。 A light splitter having a semi-transparent reflective surface is disposed on the image plane side of the photographic lens to guide a part of the light flux that has passed through the photographic lens to the finder system, and the semi-transparent reflective surface is used to direct a part of the light beam that has passed through the photographic lens to the finder system. A parallax adjustment device for a single-lens reflex camera, characterized in that the parallax of a finder image is adjusted by moving it within a plane including an axis and a normal line of the transflective surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16609684U JPS6181640U (en) | 1984-11-01 | 1984-11-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16609684U JPS6181640U (en) | 1984-11-01 | 1984-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6181640U true JPS6181640U (en) | 1986-05-30 |
Family
ID=30723932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16609684U Pending JPS6181640U (en) | 1984-11-01 | 1984-11-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6181640U (en) |
-
1984
- 1984-11-01 JP JP16609684U patent/JPS6181640U/ja active Pending
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