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3
DIMENSIONS
USING SPECIAL FEATURES
Lens adjustment
You may adjust the focus and zoom of the lens to bring the object in focus.
This lens has two focal distances. The change of Tele/Wide can be done with
zooming. You could switch focus between Tele/Wide, by re-adjusting focusing once again.
Back Light Compensation
When BLC is turned on, the AGC, ES or IRIS operating point is determined by averaging
over the center area instead of entire field-of-view, so that a dimly-lit foreground object at
center area can be clearly distinguished from brightly-lit backgrounds.
BLC should not be used unless it is needed to compensate for back-lit.