uxcell CCTV Box Camera Replacement 16mm Focal Length Board Lens F1.6 Aperture Black Product Name : 16mm CCTV Lens;Focal Length : 16mm Format : 1/3;Aperture : F1.6 Mount : M12 x 0.5;Thread Length : 13mm / 0.5" Total Size : 17x 14mm/ 0.7" x 0.55"(H*D);Main Color : Black Weight : 5g;Package : 1 x Camera Lens