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Installation Instructions Series 3 Cameras
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 two metres 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
lens until the object is again focused. Repeat these steps until the full zoom range may be
viewed with the minimum loss of focus.
DIMENSIONS