Argus 831 XL

marketed in 1974-75

silent super 8 cartridge

lens: Argus Cintar f: 1.1 \ F: 13 mm

focusing: fixed

filter size: ?

viewfinder: not reflex

exposure: auto exposure control; TTL Electric Eye

film speed: ?

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

filming speed: 18 fps

shutter opening angle: >180 degrees, XL shutter

sound: no

cable release socket: no

remote control socket: no

movie light socket: screw type

film counter: 1-50 ft

handle: fixed

film camera drive: DC micromotor

battery checker: ?

power source: 4 x AA batteries

weight: ?

dimensions: ?

tripod socket: 1/4"

made in Japan by Toho Giken