MOTION PICTURE CAMERA WITH MEANS PRODUCING A DISSOLVING EFFECT

摘要

A motion picture camera having a motor operated adjustable diaphragm for the purpose of producing a dissolving effect is provided with means which gradually closes and again opens the diaphragm from an exposure aperture to the smallest aperture and vice versa and during this time period the film gripper withdraws a predetermined length of film from the delivery spool and after exposure moves the film back onto the delivery spool. The forward and rearward movement of the film takes place in relation to the decrease of the diaphragm aperture and the subsequent increase of the same.