Available. The Keyence CA-LHR8 is an ultra high-resolution, low-distortion 8 mm lens designed for machine vision applications. It features a focal length of 8.5 mm, an aperture range from F1.8 to F16, and a minimum working distance of 0.1 meters. The lens mounts via a C-mount and accommodates 2/3" image sensors. It offers a TV distortion of 0.31% and a resolving power of 200 cycles/mm at the center and 140 cycles/mm at the periphery. The lens operates within an ambient temperature range of 0 to +50°C and a humidity range up to 80% RH (non-condensing). It is coated with a wide-band multi-coating and weighs approximately 115 grams.