Inverted Galilean finder for camera

Details Inverted Galilean finder for camera Inverted Galilean finder for camera

1994-09-08

1996-03-26

Gellner, Michael L.

G03B 1302

Patent

active

055025234

ABSTRACT:
An inverted Galilean finder incorporated in an automatic focusing camera has an optical system including an objective lens, an eyepiece and a transparent cover plate disposed in front of the objective lens for protecting the finder optical system from foreign particles. The cover plate is formed on its front surface with a framing marking for defining an exposure frame and a target marking which is directed toward an object to be focused when taking a picture and on its back surface with diopter adjustment lenses arranged correspondingly in position to the framing and target markings, respectively.

REFERENCES:
patent: 2487773 (1949-11-01), Schwartz
patent: 4348090 (1982-09-01), Iizuka
patent: 5214466 (1993-05-01), Nagano et al.
patent: 5257055 (1993-10-01), Cho et al.
patent: 5309201 (1994-05-01), Lyon

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