American Dynamics ADCTDN0230P Manuale Utente

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This camera is adjusted to a optimum wide range for CS-mount lens before 
shipment but readjustment is required when using zoom lens or C-mount lens 
or when the lens focus ring is out of focus. Use the following methods to adjust 
the back focus.
Adjusting the back focus
Back focus adjustment ring
Lens focus ring
Back focus locking screw (M2.6)
Tighten
Loosen
ADCTDN2412N_P_EN.book  Page 26  Friday, September 28, 2007  12:49 PM