(under subclass 155) Subject matter having means to convey
visible illumination information to a camera operator.
SEE OR SEARCH THIS CLASS, SUBCLASS:
70, for indicator in exposure control system responsive to distance.
88, for indicator in camera structure with a variable focal length camera objective.
147, for indicator with focusing and rangefinding means.
163, for indicator in camera structure with artificial illumination termination control.
239, for indicator in exposure control circuit with manually selective exposure mode. 255, for indicator in exposure control circuit of shutter speed function.
281+, for camera indicator in general.
515, for detachable, film-holder unit with integral means to show film use which is not visible to operator during normal operation.
578, for fluid-treating apparatus testing, calibrating, or indicating.
, FOR 772+, for foreign art collections involving camera structure and object illumination having measuring, testing, or indicating.
