Keystone K-616 Reflex Zoom Sensitron

marketed in 1966

silent super 8 cartridge

lens: Keytar Zoom f: 1.8 \ F: 9-36 mm

zooming ratio: 4x

focusing: manual

zooming: manual

filter size: ?

viewfinder: single-lens reflex with adjustable eyepiece

viewfinder information:?

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

film speed: auto for 25/40, 100/160 and ? ASA (daylight/tungten)

ASA notching: 2-pins

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: fixed, chamber for penlight batteries

battery check button: yes

film drive motor: DC micromotor

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

weight: ?

dimensions: ?

tripod socket: 1/4"

made in Japan by ?