JP2007233295A5 - - Google Patents

Claims (9)

In an optical viewfinder device including a focusing screen and an eyepiece,
An imaging lens disposed between the focusing screen and the eyepiece, and forming a secondary image of a subject image formed on the focusing screen;
A variable aperture disposed between the imaging lens and the eyepiece lens and disposed on the secondary image forming surface and capable of independently changing sizes in two directions perpendicular to each other; An optical viewfinder device comprising a field frame for regulating a secondary image. The optical finder apparatus according to claim 1,
The two directions correspond to the vertical and horizontal directions of the subject image on the focusing screen. The optical finder apparatus according to claim 1 or 2,
The variable aperture of the field frame has another aspect having a standard state with the same aspect ratio as that when the subject image is substantially maximized on the focusing screen, and having the same diagonal length as the standard state. An optical finder device that can be changed to a ratio state . In the optical finder device according to any one of claims 1 to 3,
The field finder can shield the entire secondary image . The optical finder device. The optical finder apparatus according to claim 4.
The eyepiece is detachable,
The field finder is arranged immediately before the eyepiece, and shields the entire secondary image when the eyepiece is removed . The optical finder apparatus according to claim 5,
Display means for displaying predetermined information;
A combining unit that is disposed between the field frame and the eyepiece and superimposes the information on a secondary image regulated by the field frame;
The field frame, depending on the information to be displayed by said display means, an optical finder and wherein the you shield the whole of the secondary image. An optical finder device according to any one of claims 1 to 6 ,
An electronic camera comprising: an image sensor that captures the subject image . The electronic camera according to claim 7,
An electronic camera comprising extraction means for extracting data of a portion corresponding to the observation range of the secondary image in the imaging area of the imaging device . The electronic camera according to claim 7 or 8 ,
An electronic camera comprising control means for controlling the field frame to shield the entire secondary image when the subject is photographed by a self-timer .