Optica OS 50

marketed in 1978

silent super 8 cartridge

lens: f: 1.8 \ F: 8-40 mm

zooming ratio: 5x

focusing: manual

zooming: auto and manual

filter size: ?

viewfinder: single-lens reflex with adjustable eyepiece

viewfinder information: exposure meter

exposure: auto exposure control; TTL EE, CdS cell

film speed: auto for 25/40 and 100/160 ASA only (daylight/tungsten)

CCA filter: built-in 85A filter

filming speed: 18 fps

shutter opening: angle <180 degrees

sound: no

remote control socket: no

cable release socket: yes

movie light socket: kodak type

film counter: 1-15 m

handle: retractable, chamber for penlight batteries

film drive: DC micromotor

battery check button: yes

power source: 4 x AA batteries only

weight: ?

dimensions: ?

tripod socket: 1/4"

made in Japan by Shinsei Optical

• this movie camera is same Nalcom TL 500