JPS63199217U - - Google Patents
Info
- Publication number
- JPS63199217U JPS63199217U JP871386U JP871386U JPS63199217U JP S63199217 U JPS63199217 U JP S63199217U JP 871386 U JP871386 U JP 871386U JP 871386 U JP871386 U JP 871386U JP S63199217 U JPS63199217 U JP S63199217U
- Authority
- JP
- Japan
- Prior art keywords
- viewing
- image
- convex lens
- magnifying
- focal length
- 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Viewfinders (AREA)
- Lenses (AREA)
Description
第１図は本考案に係るフアインダー画像観視装
置の一実施例を示す説明図、第２図は一実施例に
おける凸レンズおよび拡大正立虚像を示す説明図
である。
１……フアインダー画像観視装置、１１……凸
レンズ、３……ブラウン管、３０……画像蛍光面
、３０′……拡大正立虚像、Ａ……ビデオカメラ
、Ｂ……フアインダー部。
FIG. 1 is an explanatory diagram showing one embodiment of a finder image viewing apparatus according to the present invention, and FIG. 2 is an explanatory diagram showing a convex lens and an enlarged erect virtual image in one embodiment. 1... Finder image viewing device, 11... Convex lens, 3... Braun tube, 30... Image fluorescent screen, 30'... Enlarged erect virtual image, A... Video camera, B... Finder section.
Claims (1)
ブラウン管蛍光面の前面に位置し拡大観視用凸レ
ンズを有するフアインダー画像観視装置において
、焦点距離ｆの前記拡大観視用凸レンズを、前記
蛍光面から距離１７ｆ〜６７ｆ以内に設けて、拡
大正立虚像の撮影画像を観視可能にする構成とし
たことを特徴とするフアインダー画像観視装置。 (2) 上記拡大観視用凸レンズの焦点距離ｆは７
０〜２００mmの範囲に設定されていることを特徴
とする実用新案登録請求の範囲第１項に記載のフ
アインダー画像観視装置。[Claims for Utility Model Registration] (1) In a finder image viewing device having a convex lens for magnifying viewing located in front of a fluorescent screen of a cathode ray tube forming a video camera viewfinder image, said convex lens for magnifying viewing having a focal length f. is provided within a distance of 17f to 67f from the phosphor screen to enable viewing of a photographed image of an enlarged erect virtual image. (2) The focal length f of the convex lens for magnifying viewing is 7
The finder image viewing device according to claim 1, wherein the viewfinder image viewing device is set in a range of 0 to 200 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP871386U JPS63199217U (en) | 1986-01-24 | 1986-01-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP871386U JPS63199217U (en) | 1986-01-24 | 1986-01-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63199217U true JPS63199217U (en) | 1988-12-22 |
Family
ID=30793350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP871386U Pending JPS63199217U (en) | 1986-01-24 | 1986-01-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63199217U (en) |
-
1986
- 1986-01-24 JP JP871386U patent/JPS63199217U/ja active Pending
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