Keystone 812-TLX Electric Eye Zoom

marketed in 1971

silent super 8 cartridge

lens: Color Corrected Zoom f: 1.8 \ F: ?

zooming ratio: 2x

focusing: fixed

zooming: manual

filter size: ?

viewfinder: single-lens reflex with adjustable eyepiece

viewfinder information: ?

exposure: auto exposure control; not TTL EE

film speed: ?

CCA filter: built-in 85A filter

filming speed: 18 fps

shutter opening angle: <180 degrees

sound: no

remote control socket: no

cable release socket: no

movie light socket: screw type

film counter: yes

handle: detachable

battery check button: ?

film drive motor: DC micromotor

power source: 4 x AA batteries

weight: ?

dimensions: ?

tripod socket: 1/4"

made in Usa by Keystone