Camemake CM_LENS_10644 is a 3.3mm F/2.8 fixed-focus M12 board lens for 1/4" sensors, with a 4.5mm image circle. Rated 5MP, with -100% TV distortion; TTL 10.1mm, IR-cut filter. Specified for low-distortion imaging. Identify and order this Camemake lens as CM_LENS_10644.