Mamiya Professional C330f - Changing the Back Cover; Tripod Socket

After changing a lens, set the par-
allax
correcting dial ( 23 ) to the focal
length value
of the mounted lens.
Regarding 55mm and 65mm lenses,
set
the parallax correcting dial to 80,
then attach the parallax correction
plate
for 55mm/65mm lenses to the
focusing hood. (Refer to p. 15 for
handling method of the focusing
hood).
Concerning
the 250 mm lens, set
the parallax correcting dial to 180 .
PRECAUTIONS
1. . If · the film wind crank is not kept positioned
diagonally upward, (
the same angle as the
crank housing position), the cocking lever ( 17 )
cannot
be connected with the cocking lever on
the camera body.
2. Regarding the cocking lever on the 180mm
lens, an auxiliary lever for connection is provided
on
the side of the lens barrel. Since this lever
is constantly pushed upward by a spring, when
mounting the lens, hold the auxiliary lever
downward
with a finger tip to prevent obstruct-
ing installation.
3. When the lens change Knob ( 24 ) is in the
"UNLOCK" ·position, the portion to which the
picture taking lens (lower lens) is attached is
protected by a cover
from the camera interior
to shield the fUm from exposure to light, and
• a red warning signal is visible on the focusing
screen
surface_
Should this cover be pushed while removing the
lens, light will strike the film . Never push it.
4. After changing a lens, turn the lens change
knob (
24 ) to the "LOCK" position; otherwise,
the shutter release button cannot be depressed.
22