Mamiya PRO 645 Instructions Manual page 6

tion and crystal clear definition. A feature lens is the new
300mm f/2.8 APO lens which eliminates chromatic aber-
ration and produces photos with the sharpest definition.
Given the wide variety of lenses in the 645 PRO Series,
they greatly expand the world of images that are possible.
Auto winding with the Power Drive Grip WG401
This Power Drive Grip WG401 has been specially de-
signed for heavy duty, motorized operation with the 645
PRO. It also permits automatic shutter cocking of the leaf
shutter lenses and can be remote controlled. Another
feature, not available previously is the following:
When attaching a partially exposed film holder (in which
the film has not been advanced to a new frame), to the
645 PRO equipped with the Power Drive Grip WG401, a
built-in camera mechanism will automatically advance
the film to the next frame, when the shutter release is
activated, either on the camera body or on the Power
Drive Grip WG401.
New Automatic Leaf Shutter Lenses for added
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versatility.
55mm (Wide Angle), 80mm (Standard) 150mm
(Telephoto) lenses
These lenses are all in Seiko #0 shutter, offer the advan-
tages of syncroflash photography at all shutter speeds 1/
30, 1/60, 1/125,1/250 and 1/500sec. The optional Power
Drive Grip WG401 will automatically cock the shutters as
it transports the film and moves the mirror.
The camera's focal plane shutter must be set at 1/8 sec.
for leaf shutter mode operation. The leaf shutter lenses
can do it automatically.
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