JPS626725U - - Google Patents
Info
- Publication number
- JPS626725U JPS626725U JP9812085U JP9812085U JPS626725U JP S626725 U JPS626725 U JP S626725U JP 9812085 U JP9812085 U JP 9812085U JP 9812085 U JP9812085 U JP 9812085U JP S626725 U JPS626725 U JP S626725U
- Authority
- JP
- Japan
- Prior art keywords
- viewfinder
- eyepiece
- switching device
- view
- light frame
- 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.)
- Granted
Links
- 238000005282 brightening Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
Landscapes
- Viewfinders (AREA)
Description
第１図は、本考案の一実施例を示すフアインダ
ー切換装置の構成を示す概要側面図、第２図は、
上記第１図のフアインダー切換装置の指標板の斜
視図、第３図は、上記第１図のフアインダー切換
装置の作動図、第４図は、上記第２図の指標板の
要部正面図、第５，６図は、フアインダー内に第
１の焦点距離の画角に相当する光枠が形成された
状態を夫々示す正面図、第７図は、フアインダー
内に第２の焦点距離に相当する光枠が形成された
状態を示す正面図、第８，９図は、フアインダー
切換前後のフアインダー内の光路を夫々示す光路
図、第１０図は、上記第２図の指標板の他の例を
示す斜視図である。
３……フアインダー接眼レンズ、３ｂ……光輝
部、４……指標板、４ｂ……光輝部、４ｃ……突
起部。
FIG. 1 is a schematic side view showing the configuration of a finder switching device showing an embodiment of the present invention, and FIG.
FIG. 3 is a perspective view of the index plate of the finder switching device shown in FIG. 1, FIG. 3 is an operational diagram of the finder switching device shown in FIG. Figures 5 and 6 are front views showing a state in which a light frame corresponding to the angle of view of the first focal length is formed inside the finder, and Figure 7 is a front view showing a state in which a light frame corresponding to the angle of view of the first focal length is formed inside the finder. 8 and 9 are optical path diagrams showing the optical path inside the finder before and after the finder is switched, and FIG. 10 is a front view showing the state in which the light frame is formed. FIG. FIG. 3...Finder eyepiece, 3b...Luminous part, 4...Index plate, 4b...Luminous part, 4c...Protrusion part.
Claims (1)
る撮影画角の切換をアルバダ式フアインダー内の
光枠の切換えによつて行なうフアインダー切換装
置において、 アルバダ式フアインダーの接眼レンズの被写体
側面に、第２の焦点距離の画角に相当する光枠を
創出せしめる光輝部を設けた指標板を、上記接眼
レンズの被写体側面に既設されている第１の焦点
距離の画角に相当する光枠を創出せしめる光輝部
を開閉自在に蔽うように設けたことを特徴とする
フアインダー切換装置。 (2) 上記指標板、または接眼レンズの相対する
面に少なくとも１カ所以上に突起を設けるように
した実用新案登録請求の範囲第１項記載のフアイ
ンダー切換装置。 (3) 上記指標板を透明板とし、その接眼レンズ
あてつけ側面に光輝部を設けるようにした実用新
案登録請求の範囲第１項記載のフアインダー切換
装置。[Scope of Claim for Utility Model Registration] (1) In a viewfinder switching device that switches the shooting angle of view in a camera that can be switched to a plurality of focal lengths by switching the light frame within the Albada viewfinder, the eyepiece of the Albada viewfinder An index plate provided on the side of the object of the lens with a luminous part that creates a light frame corresponding to the angle of view of the second focal length is attached to the angle of view of the first focal length already installed on the side of the object of the eyepiece. A finder switching device characterized in that a brightening part that creates a light frame corresponding to the above is provided so as to be openable and closable. (2) The viewfinder switching device according to claim 1, wherein a protrusion is provided at at least one location on the index plate or the opposing surface of the eyepiece. (3) The viewfinder switching device according to claim 1, wherein the indicator plate is a transparent plate, and a luminous part is provided on the side surface of the indicator plate that abuts the eyepiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985098120U JPH0121293Y2 (en) | 1985-06-27 | 1985-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985098120U JPH0121293Y2 (en) | 1985-06-27 | 1985-06-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS626725U true JPS626725U (en) | 1987-01-16 |
| JPH0121293Y2 JPH0121293Y2 (en) | 1989-06-26 |
Family
ID=30965762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985098120U Expired JPH0121293Y2 (en) | 1985-06-27 | 1985-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0121293Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02158707A (en) * | 1988-12-13 | 1990-06-19 | Canon Inc | Variable power finder |
| JPH0635033A (en) * | 1992-07-16 | 1994-02-10 | Fuji Photo Optical Co Ltd | Albata bright frame finder |
| JP2015141296A (en) * | 2014-01-28 | 2015-08-03 | オリンパス株式会社 | imaging device |
-
1985
- 1985-06-27 JP JP1985098120U patent/JPH0121293Y2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02158707A (en) * | 1988-12-13 | 1990-06-19 | Canon Inc | Variable power finder |
| JPH0635033A (en) * | 1992-07-16 | 1994-02-10 | Fuji Photo Optical Co Ltd | Albata bright frame finder |
| JP2015141296A (en) * | 2014-01-28 | 2015-08-03 | オリンパス株式会社 | imaging device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0121293Y2 (en) | 1989-06-26 |
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