Real image type view finder

Details Real image type view finder Real image type view finder

1994-01-18

1995-07-18

Blankenship, Howard B.

Optical: systems and elements

Prism

With reflecting surface

354221, 359432, G03B 1302

Patent

active

054346363

ABSTRACT:
A real image type of view finder including a positive objective lens group, a positive condenser lens group, an image erecting optical system which erects an inverted image formed by the objective lens group and the condenser lens group, and an eyepiece lens group through which the erected image can be observed. The condenser lens group is spaced at a predetermined distance from an image forming plane in the direction of the objective lens group. The inverted image is formed on the image forming plane.

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