How to adjust
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.
Shoot a dark object to open the iris.
Adjust the distance from the object to 6.6 ft. (2 m) at least, then loosen the flange back fixing knob of the lens.
Set the lens to the maximum zoom and adjust the focus by turning the focus ring.
Set the lens to the widest angle and adjust the focus by turning the flange back adjust ring.
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.
Focus ring | Flange back fixing knob | |||||||||||
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Flange back adjust ring
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.
Set the iris select switch of the lens to A “AUTO” side.
Turn the iris gain adjust volume to maximize the gain in such extent that no hunting takes place.
*When CAM is selected as the IRIS MODE setting on the camera menu, IRIS gain on the menu can be used to make adjustments.
Iris gain adjust volume 
Auto iris power zoom lens
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