marketed in 1975-6
model: 584.91900
instruction manual: 9190
silent super 8 cartridge
lens: B&H Zoom f: 1.3 \ F: 8.5-24 mm
zooming ratio: 2,8x
focusing: manual and semi automatic (1)
rangefinder: ?
zooming: auto and manual
filter size: ?
viewfinder: single-lens reflex with adjustable eyepiece
viewfinder information: ?
exposure: automatic exposure control; TTL EE
film speed: ?
CCA filter: built-in 85A filter
filming speed: 18 fps
shutter opening angle: 210 degrees, eXisting Light system
sound: no
cable releasesocket: no
remote control socket: no
movie light socket: ?
film counter: yes
film drive motor: DC micromotor
power source: 4 x AAA batteries only
weight: ?
dimensions: ?
tripod socket: 1/4"
made in Japan by Bell & Howell
It is same as Bell & Howell 672.
(1) Focus Matic system: focusing system that uses gravity to calculate the distance from camera to object.