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Installation Instructions
FOCUS ADJUSTMENT
Auto Iris and Direct Drive Lenses
Fully open the iris by covering the lens with a suitable neutral density (ND) filter. Set the lens
focus to infinity. View an image greater than 7 feet (2 meters) away. Focus the image using the
back focus screw. Remove the ND filter and set the lens focus as required.
Zoom Lenses
Set the lens focus to infinity and fully open the iris by covering the lens with a suitable neutral
density (ND) filter. Zoom out to the widest field of vision and view a distant object. Adjust the
back focus screw until the object is in focus. Next, zoom fully in and adjust the lenses focus
until the object is again focused. Repeat these steps until the full zoom range may be viewed
with the minimum loss of focus.
DIMENSIONS
125 67
6
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