Keystone K-620 Electric Eye Zoom

marketed in 1965

silent super 8 cartridge

lens: Keytar f: 1.8 \ F: 11-33 mm

zooming ratio: 3x

focusing: fixed

zooming: manual

filter size: ?

viewfinder: not reflex

viewfinder information: ?

exposure: auto exposure control; not TTL EE, CdS cell

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

CCA filter: built-in 85A filter

filming speed: 18 fps

shutter opening angle: <180 degrees

sound: no

remote control socket: yes

cable release socket: no

movie light socket: screw type

film counter: yes

handle: detachable

film drive motor: DC micromotor

battery check button: ?

power source: ? x AA

weight: 4 lbs 8.3 oz

dimensions: 7" x 8" x 2.5"

tripod socket: 1/4"

made in Usa by Keystone