The Light Ranger 2 (LR2) provides groundbreaking enhancements to the art of focus pulling. Focus assist graphics are overlaid the camera image displayed on the video monitor. The graphics show the direction and amount the focus knob must be turned to bring subjects within the lens depth of field. This intuitive representation of focus allows an immediate response to changes in the camera to subject distance.

The LR2 sensors emit short pulses of infra-red light in a fan shaped beam from the small rectangular opening next to the lens.

The reflections from subjects illuminated by the beam are focused by the LR2 receiving lens (round opening) onto an array of sixteen detectors and timed to determine their distance from the LR2. The distance data from the sixteen detection areas is combined with the lens settings in the hand unit to form the focus assist graphics.

The maximum range depends on the size and reflectivity of the subject. The typical range to a person is 40’ (13m) or greater. The range is unaffected by ambient illumination and the LR2 will work both in bright sunlight or complete darkness.