VARIFOCAL LENS ZOOM AND FOCUS ADJUSTMENTS
To adjust the field of view and the focus:
1.Select a field of view by turning the zoom adjustment ring clockwise/counterclockwise (refer to Figure 18).
2.Tighten the zoom locking screw.
3.Adjust the focus by moving the focus locking screw clockwise/counterclockwise.
4.Tighten the focus locking screw.
FOCUS
ZOOM
Figure 18. Location of Zoom and Focus Adjustments
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