a. To eliminate undesirable foreground or background from the
photograph, raise or lower the lens board mounting plate (figure 7) by
pushing in and rotating the springloaded pinion knob until the desired
degree of elimination is achieved.
CENTERING IMAGE USING RISING / FALLING FRONT
b. After approximate focus has been obtained, slight changes in the
image size on the ground glass may be obtained by moving the monorail bed
with respect to the panhead as follows:
(1) Loosen the camera mount lock (figure 4) and turn the camera mount
adjust knob (figure 5).
(2) After positioning the camera with respect to the subject, tighten
the camera mount lock.