Camemake CM_LENS_11637 is a 3.2mm F/2.2 fixed-focus M12 board lens for 1/2.9" sensors, with a 6.75mm image circle. With a 22° maximum CRA and -38.5% TV distortion; TTL 18.59mm, IR-cut filter. Identify and order this Camemake lens as CM_LENS_11637.