Zhumell Rangefinder RF645 - Manual (Page 14)

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3. Shooting 3-2 Viewfinder
3. Taking advantage of a tripod or a monopod: The difference between sharp pictures and
shots blurred by camera shake is one second away. When using a 100mm lens, 1/100 sec., is
the limitation for holding the camera steady. A faster shutter speed is strongly recommend-
ed for shooting with a medium format camera, since this unit is larger and heavier than a
35mm camera. If a shutter speed slower than 1/60 second is required when using a 65mm,
a tripod or monopod is highly recommended. Using a monopod effectively to stop camera
vibration requires a certain knack. Adjust the elevation of the monopod so that the camera
viewfinder rests at eye level. Hold the camera against your forehead and form a tripod with
the monopod and your legs to stop the swaying motion of the camera.
Note:
When mounting the camera on the tripod, use a cable release to increase stability of
the unit.
3. Shooting 3-3 Shutter release button
3-3-1 Shutter Release Button
1. The Bronica RF 645 applies an electromagnetic release, and there-
fore requires batteries to operate the shutter mechanism.
2. The viewfinder LCD is automatically activated with the shutter
release button pressed halfway. The next stroke triggers the shutter
itself.
3. When released, the shutter opens and shuts with light clicking
sounds followed by a low motor noise as the shutter cocks for the
next shot.
Note 1: A standard mechanical cable release can be attached to the
shutter release button of the Bronica RF 645.
Note 2: The shutter will not operate in the following cases:
(1) When the main switch is in the OFF position.
(2) When batteries are not loaded, not properly installed, or
depleted.
(3) When film is not advanced to the next frame, the film
counter is positioned between "S" and "1", a roll of film comes
to an end or no film is loaded in the camera.
(4) A lens is not mounted or not properly locked in position.
Note 3: An "X" symbol is displayed in the viewfinder LCD in cases (3)
and (4). Refer to the drawing on page 15.