Patent ID: 6088545
Filing Date: 2000-07-11
Classification: G02B

Abstract:
A real-image type viewfinder of a camera having a viewfinder optical system independent from a photographing optical system of said camera, said viewfinder optical system comprising:a positive objective optical system for obtaining an inverted finder-image;an erecting optical system for converting the inverted finder-image into an erected finder-image, said erecting optical system including a reflective mirror element for deflecting an optical axis of said positive objective optical system, at least a part of said reflective mirror element being formed as a light-transmitting area;an ocular optical system for viewing the erected finder-image; andan optical information-pattern-projecting system for optically producing an information pattern to be superimposed on the erected finder-image,wherein said optical information-pattern-projecting system includes a projecting optical system which focuses and forms the information pattern on an image-forming plane, defined by said positive objective optical system, through the light-transmitting area of said reflective mirror element, so that the information pattern is superimposed on the erected finder-image.