Argus Showmaster 820

marketed in 1966-67

silent super 8 cartridge

lens: Argus Cintagon Zoom f: 1.8 \ F: 8.5-35 mm

zooming ratio: 4.1x

focusing: manual

rangefinder: aerial

zooming: manual

filter size: ?

viewfinder: single-lens reflex with adjustable eyepiece

exposure: auto and manual exposure control; not TTL Electric Eye

film speed: ?

CCA filter: built-in 85A filter; coupled with movie light socket

filming speed: 18 fps, single frame

shutter opening angle: <180 degrees

sound: no

cable release socket: yes

remote control socket: yes

movie light socket: screw type

film counter: 1-50 ft

handle: retractable, chamber for penlight batteries

film camera drive: DC micromotor

battery checker: yes

power source: 4 x AA batteries \ 1 x button cell for light meter

weight: ?

dimensions: ?

tripod socket: 1/4"

made in Japan by ?