Camemake CM_LENS_11640 is a 2.33mm F/2.0 fixed-focus M12 board lens for 1/1.9" sensors, with a 6.77mm image circle. With a 16° maximum CRA and -41% TV distortion; TTL 29.3mm, IR-cut filter. Identify and order this Camemake lens as CM_LENS_11640.