Porst Sound 500 XL Macro

marketed in 1979-80

sound and silent super 8 cartridge

lens: Porst Zoom Macro f: 1.2 \ F: 8-40 mm

zooming ratio: 5x

focusing: manual, split image

macro focusing: yes

zooming: auto and manual

filter size: 55 mm

viewfinder: single lens reflex-type with adjustable eyepiece: +/- 5 diopters

viewfinder information: ?

exposure: automatic exposure control; TTL EE, CdS photocell

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

backlight control: yes

CCA filter: built-in 85A filter

filming speed: 18 fps

shutter opening angle: >180 degrees, XL shutter

sound: single-system, magnetic recording on super 8 film

recording level control: auto (High, Low)

sound sockets: Microphone, Earphone

remote control socket: yes

cable release socket: no

movie light socket: screwt type, 1/4"

film counter: yes

handle: retractable, chamber for penlight batteries

film drive motor: DC micromotor

battery check button: yes

power source: 6 x AA batteries only

weight: ?

dimensions: ?

tripod socket: 3/4"

made in Malaysia by Robert Bosch