Zhumell Rangefinder RF645 - Manual (Page 3)

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Special Features of the Bronica RF 645
·A medium format coupled-meter rangefinder camera.
The Bronica RF 645 is a very compact and lightweight camera with a picture area approxi-
mately 2.7 times larger than the 35mm format. The superior portability and versatility of
this model compared with other medium format cameras ushers in an entirely new world of
photographic possibilities.
·The remarkable lens shutter system
The electronically controlled #00 type lens shutter system developed for the Bronica RF 645
commands precise shutter speed control and automatic cocking, as well as aperture control
incorporated within the shutter unit. The interface between the main camera body and the
lens are conducted by means of a series of electronic contracts, resulting in high precision
operation compared with conventional systems operated by mechanical couplers. The
highly advanced lens shutter system is impressively stable and free of jolts caused by shut-
ter shock, while it ensures synchronization with an electronic flash at any shutter speed
allowing sophisticated flash photography.
·Automatic light shielding curtain engaged during lens interchange.
A lens shutter camera with interchangeable lens capability would normally require a light
shielding curtain to be activated manually prior to detachment of the lens. The Bronica RF
645 had made such complex and awkward steps unnecessary, enabling photographers to
focus on the shooting itself. In conjunction with the lens detachment operation, the light
shielding curtain automatically covers the film aperture and locks into place. When the next
lens is mounted on the camera, the curtain automatically opens to prepare the camera for
the next shooting.
·Hi-tech magnesium alloy Thixmolding
The top cover of the Bronica RF 645, a lightweight and extremely sturdy camera, is manufac-
tured with an advanced Thixmolding technique. This technology enables a hard and rigid
magnesium alloy to be molded into intricate and complex forms required to hold and pro-
tect internal mechanism with precision in various, at times even adverse, operating condi-
tions.
·Rear cover design provides sophisticated controls with easy access and handling.
Switches and dials on the rear cover are grouped together on the rear cover for easy han-
dling and to enable confirmation of settings at a glance, an extremely important feature for
use in the hands of serious photographers.