Cosina HDL 7310 M

marketed in 1973

silent super 8 cartridge

lens: Cosinon Reflex Zoom Macro f: 1.7 \ F: 7-70 mm

zooming ratio: 10x

focusing: manual, microprism

zooming: auto and manual

filter size: ?

viewfinder: single-lens reflex with adjustable eyepiece

exposure: auto and manual exposure control; TTL EE, CdS cell

EE lock: yes

exposure compenstion: +/- correction for auto

backlight control button: yes

film speed: auto for 25/40, 40/64, 64/100, 100/160, 160/250 ASA (daylight/tungsten)

CCA filter: built-in 85A filter, with cancellation slide

filming speed: 18, 24 fps, slow motion (40 fps)

interval timer: yes

shutter opening angle: <180 degrees

fading: auto fade-in/fade-out

sound: double-system, recording with synchronized tape recorder

remote control socket: yes

cable release socket: yes

movie light socket: screw type

synchronized flash socket: yes

handle: fixed, chamber for penlite batteries

battery check button: yes

film drive motor: DC micromotor

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

external power outlet: 6 V DC

weight: ?

dimensions: ?

tripod socket: 1/4"

made in Japan by Cosina

• It is same as Cosina HDL 738 but with different lens and synchronized recording output.