Bosch EX30 Installation Instructions Manual page 17

5.1. Vari Focal and "Auto-Iris" Control Adjustments
•
Loosen the lens set screws for focus/zoom
adjustments.
•
The setscrew marked N ←→ ∞ is used for image
focus.
•
The setscrew marked T←→ W is used for telephoto
or wide-angle settings.
•
Re-tighten the setscrews after focus adjustments
have been completed
Window Selection
Loosen this setscrew
for Focus Adjustment
Loosen this setscrew
for Telephoto or Wide
Angle Adjustment
.
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