PHOTOGRAPHIC APPARATUS WITH MEANS FOR OBSTRUCTING THE PASSAGE OF LIGHT THROUGH THE VIEWFINDER

摘要

The eyecup which surrounds the eyepiece of the viewfinder in a reflex camera has an elastic extension provided with a plug which can be fitted into an opening in the rear of the eyepiece to prevent entry of light into the viewfinder. The plug has a handgrip portion which can be grasped by fingers to facilitate its withdrawal from or insertion into the opening.