Nikon PC-Nikkor 28mm f/4 Manuel d'instruction - Page 10
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SHIFT AND ROTATION MOVEMENT
10
The front part of the PC-Nikkor shifts up to 11 mm
from the center in a plane parallel to the film, and
the whole lens mount rotates through a full 360
0
.
By combining the parallel shift with the rotation
movement of the lens, an infinite variety of
adjust-
ments can be made
.
To shift the lens, turn the knurled shift knob. The
knob shou Id always be turned so that it is facing away
from the direction in which the lens is to be shifted.
The shift scale shows the degree of shift in
millimeters.
When the shift scale is facing upward, the lens can be
shifted 11 mm to the right of center. In order to shift
the lens in other directions, simply rotate the whole
lens mount, stopping at one of the 12 click-stop
settings provided at 30
0
intervals, or choosing a
desired intermediate position. By combining these two
movements, the lens can be sh if ted up to 11 mm from
the center in any direction.