INSERT FOR DIRECT FILM CHANNEL OF PROTECTION-TYPE CAMERA

摘要

FIELD: physics. ^ SUBSTANCE: insert for direct film channel of protection-type camera has a rectangular opening for the aperture gate. The reel faces the aperture gate and illuminator of the projection-type camera by the emulsion side. The insert has on its edges longitudinal projections for perforated edges of the reel, which do not touch the invert by the theme part of the emulsion layer. Longitudinal projections of the insert for the direct film channel have inclinations from 0.01 to 0.1 with slopes to its lateral edges. ^ EFFECT: straightening an elastic reel in the zone of the aperture gate and easier focusing of the image on the cinema screen.