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
Flange back adjust ring
Flange back lock knob
IRIS GAIN CONTROL IN A LENS
An iris gain control hole is usually provided in the front of a lens. Adjustment of the iris gain, with a screwdriver through the hole may be done as follows. (Shape and location of the hole may vary depending on the lens make.)
1Turn the iris selection switch to Position A (AUTO).
2Rotate the iris gain control to the maximum gain but in a range where no hunting or oscillating of the iris ring develops.
* The figure represents Lens PH15X7BKRS2U.
Iris gain control
Automatic iris power zoom lens