JPS60122925U

JPS60122925U - Fainda

Info

Publication number: JPS60122925U
Application number: JP833284U
Authority: JP
Inventors: 俊幸金井; 秋沢　信行; 立見　友孝
Original assignee: マックス株式会社
Priority date: 1984-01-26
Filing date: 1984-01-26
Publication date: 1985-08-19

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す模式図、第２図はスプ
リットプリズムの作用を説明する模式図であり、第２図
Ａは焦点が合っていない状態を示す図、第２図Ｂは焦点
が合っている状態を示す図、第３図は指標の作用を示す
模式図であり、第３図Ａは眼の位置が光軸から外れてい
る状態を示す図、第３図Ｂは眼の位置が光軸上に位置し
ている状態を示す図、第４図は本考案の他の実施例を示
す模式図、第５図は本考案のさらに他の実施集を示す模
式図である。３・・・焦点板、４・・・接眼窓、６・・・焦点合わせ
領域、７・・・スプリットプリズム、９．１０・・・指
標。Fig. 1 is a schematic diagram showing an embodiment of the present invention, Fig. 2 is a schematic diagram explaining the action of a split prism, Fig. 2 A is a diagram showing an out-of-focus state, and Fig. 2 B Figure 3 is a diagram showing the state in focus, Figure 3 is a schematic diagram showing the function of the indicator, Figure 3A is a diagram showing the state where the eye position is off the optical axis, and Figure 3B is a diagram showing the state where the eye is off the optical axis. FIG. 4 is a schematic diagram showing another embodiment of the present invention, and FIG. 5 is a schematic diagram showing still another embodiment of the present invention. be. 3... Focus plate, 4... Eyepiece window, 6... Focusing area, 7... Split prism, 9.10... Index.

Claims

[Scope of utility model registration request]

The split prism has a focusing plate provided on the optical axis, and an eyepiece window for viewing a subject image formed on the focusing plate, and the split prism is arranged in the eyepiece window with the optical axis as the center. A finder that is provided with an index that has a similar shape to the outer shape of the focusing area.