Camemake CM_LENS_11638 is a 3mm F/2.4 fixed-focus M12 board lens for 1/3" sensors, with a 6.23mm image circle. With a 24.3° maximum CRA and -15.5% TV distortion; TTL 16.17mm, IR-cut filter. Identify and order this Camemake lens as CM_LENS_11638.