Camemake CM_LENS_11589 is a 4.27mm F/2.8 fixed-focus M12 board lens for 1/1.8" sensors, with a 9mm image circle. With a 21° maximum CRA and 1% TV distortion; TTL 25.3mm, IR-cut filter. Identify and order this Camemake lens as CM_LENS_11589.