Keystone K-610

marketed in 1966

silent super 8 cartridge

lens: Keystone Keytar f: 1.8 \ F: 15 mm

focusing: fixed

filter size: ?

viewfinder: not reflex

viewfinder information: ?

exposure: auto exposure control; not TTL EE

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

ASA notching: 1-pin

CCA filter: built-in 85A filter

filming speed: 18 fps, single frame

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

camera drive: DC micromotor

battery check button: yes

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

weight: ?

dimensions: ?

tripod socket: 1/4"

made in Japan by ?