REAL IMAGE TYPE ZOOM FINDER FOR CAMERA

摘要

PROBLEM TO BE SOLVED: To provide a real image type zoom finder for a camera in which the parallax and the diopter of zoom finder field are accurately adjusted from a wide angle side to a telephoto side. SOLUTION: In this real image type zoom finder for the camera, the variable power of a finder optical system is performed by moving the 2nd and the 3rd objective lenses 12 and 13 of a finder objective lens group in an optical axis direction interlocked with the zooming of a photographic optical system. The rotating and moving positions of the 1st and the 4th objective lenses 11 and 14 of the objective lens group which is pivotally attached to a shaft 27 and to which rotating power in a counterclockwise direction is given by a coil spring 35 are set by parallax adjusting screws 33 and 34 so as to adjust the parallax, and further the position in the optical axis direction of the 1st objective lens 11 to which pressing power is given by a coil spring 28 is set by a diopter adjusting screw 30 so as to adjust the diopter.