Porst Reflex XL 423

marketed in 1973

silent super 8 cartridge

lens: f: 1.1 \ F: 9-22.5 mm

zooming ratio: 2.5x

focusing: manual

zooming: auto and manual

filter size: ?

viewfinder: single lens reflex-type with adjustable eyepiece

exposure: auto exposure control; TTL EE, CdS photocell

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: ?

film counter: yes

handle: fixed, chamber for penlight batteries

film drive motor: DC micromotor

battery check button: yes

power source: 4 x AA batteries only

weight: ?

dimensions: ?

tripod socket: 3/4"

made in Japan by Chinon