Zhumell Rangefinder RF645 - Manual (Page 29)

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7. Specifications
Camera Type Coupled-meter rangefinder, lens shutter 6 x
4.5 format camera.
Picture Format 41.5mm x 56mm
Film 16 frames on 120 type film, 32 frames on 220
type film.
Lens Interchangeable with Bronica bayonet
mount, 45mm f/4 Wide, 65mm f/4 Normal
and 100mm f/4.5 Tele.
Filter Size 58mm (45mm f/4), 58mm (65mm f/4), 62mm
(100mm f/4.5)
Focusing Helical focusing system built in to each lens;
Focus ring rotations 90° on 45mm f/4 & 65mm f/4, 60° on 100mm
f/4.5.
Shutter Bronica No. 00 type electronically controlled
lens shutter in each lens, shutter speeds; B, 1
to 1/500 sec. (on manual without intermedi-
ate speeds), 8 to 1/500 sec. (on aperture-pri-
ority AE mode, 1/12-stop increment control)
8 to 1/750 sec. (on programmed AE mode,
1/12-stop increment control.) Electronically
timed self-timer with 10 sec. delay time.
Aperture Electro-magnet driven aperture blades with
f/4 to f/32 (45mm f/4 & 65mm f/4), f/4.5 to
f/32 (100mm f/4.5.)