(d) Loosen the front slide and
swing lock knob 1 , (fig 1-39).
(e) Grasp the front frame near
the base and rotate it on the front
carriage to the desired angle.
(f) After positioning the front
frame, tighten the front slide and
swing lock knob 1 securely.
(5) The rear frame has similar
swinging and tilting provisions to
permit correction for converging and
diverging horizontal and vertical
Figure 1-39.
Front Slide Knob.
lines.
The method of adjusting the
rear frame is the same as described
in 4a, b, c, d, e, and f above,
except that the rear controls are
used, (fig 1-40).
Figure 1-40.
Rear Frame Swing.
NOTE:
Detents are provided to indicate when the front and rear frames
are in the normal perpendicular and swing positions with respect to the
monorail bed.
(6) Changes in the orientation of the subject, with respect to the long
and short dimensions of the film, may be made by rotating the camera back.
Rotation of the back also permits more advantageous use of the film area when
photographing long narrow subjects.
The back can be rotated in either
direction and locked in place. Rotate the back as follows:
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