Camemake CM_LENS_11641 is a 2.45mm F/2.6 fixed-focus M12 board lens for 1/4" sensors, with a 4.65mm image circle. With a 18.8° maximum CRA and -10.1% TV distortion; TTL 21.87mm, IR-cut filter. Identify and order this Camemake lens as CM_LENS_11641.