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15
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Flange back adjustment (for zoom lens)
The adjustment is to adjust the focus in all the range from the maximum zoom to the
widest angle of the zoom lens.
1
Shoot a dark object to open the iris.
2
Adjust the distance from the object to 6.6 ft. (2 m) at least, then loosen the flange back
fixing knob of the lens.
3
Set the lens to the maximum zoom and adjust the focus by turning the focus ring.
4
Set the lens to the widest angle and adjust the focus by turning the flange back adjust
ring.
5
Repeat adjusting the focus ring and flange back adjust ring until the focus is adjusted
within the zooming range.
After finishing the adjustment, tighten the flange back fixing knob.
B R E A K E R
Z O O M /
F O C U S
S D I O U T
1
2
1
/
F
How to Adjust
Focus Ring
Flange Back Fixing Knob
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Lens iris gain volume adjustment
≥
Iris gain adjust hole (G or S) is provided at front of the lens housing. Adjust the iris
according to the following procedure by using a screwdriver.
1
Set the iris select switch of the lens to A “AUTO” side.
2
Turn the iris gain adjust volume to maximize the gain in such extent that no hunting
takes place.
* Iris PEAK/AVE of camera menu can also be used for the adjustment.
Flange Back Adjust Ring
Iris Gain Adjust Volume
Auto Iris Power Zoom Lens