(under subclass 373) Subject matter which permits an operator to view one of several viewfinder images on fixed diverse planes or which permits angular adjustment of the viewfinder.
(1) Note. The viewfinder may have a viewing window or screens which are at 90 degrees to each other.
SEE OR SEARCH THIS CLASS, SUBCLASS:
, FOR 863, for a foreign art collection involving a camera viewfinder having selective or adjustable viewing position.
