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FLANGE BACK ADJUSTMENT
1. Fully open the iris by shooting a dark object. (Iris
selection switch should be set to M.)
2. Loosen the flange back lock knob.
3. Aim the camera at any object over 2 meters away from
the camera.
4. Set the lens to its TELE end first and adjust its focus
with the focus ring.
5. Set the lens to its widest angle next and adjust its
focus with the flange back adjust ring.
6. Adjust the focus ring and the flange back adjust ring
alternately for the best focus within the zooming
range.
Tighten the flange back lock knob upon completion of
focusing.
7. Turn the iris selection switch to Position A.
* The figure represents Lens PH15X7BKRS2U.
Focus ring
IRIS GAIN CONTROL IN A LENS
An iris gain control hole is usually provided in the front of a
lens.
through the hole may be done as follows. (Shape and
location of the hole may vary depending on the lens
make.)
1 Turn the iris selection switch to Position A (AUTO).
2 Rotate the iris gain control to the maximum gain but in
* The figure represents Lens PH15X7BKRS2U.
Flange back
adjust ring
Flange back
lock knob
-12-
Adjustment of the iris gain, with a screwdriver
a range where no hunting or oscillating of the iris ring
develops.
Iris gain control
Automatic iris power zoom lens
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