Night Optics IR-K2 Pro Extra Long-Range IR Illuminator (805nm) - Manual (Page 6)

OPERATION
4
Focusable Beam Adjustment
The IR-K2 Pro features a focusable IR beam adjustment built into the body of
the device. To adjust the beam on this device:
• Twist the front objective of the device to extend the lens and focus the
beam. Reverse this step to widen the IR beam.
Continued...
Note: Fully closed the IR device will provide a wide field of
illumination. Fully extended the IR device will provide a
narrow field of illumination.
Figure 4
Closed Objective
Wide field of view
Fully Extended
Figure 5
Extended Objective
Narrow field of view