(under subclass 139) Subject matter including means to correct for the difference between an actual view covered by the exposure objective and an apparent view seen by the mechanical rangefinder.
SEE OR SEARCH THIS CLASS, SUBCLASS:
149, for parallax correction with viewfinder in focusing or rangefinding operation.
377, for parallax correction with viewfinder in general.
, FOR 811, for a foreign art collection involving parallax correction in a camera rangefinder with coupled focusing.