uxcell Replacement F1.2 2.1mm Fixed Iris for Security CCTV Camera Lens Black 150 Degree wide angle lens is suitable to take picture of large ranges. Fit for: CCTV Camera; Focal Length: 2.1mm; Horizonal Field: 150 Degree;Aperture(F): 1.2; Mount: CS; Format(Inch): 1/3; M.C.D(m): 0.2 Can be taken picture of a tiny object clearly in the details. Dimension (without cap): 17 x 28mm / 0.66x 1.1inch(L x D);Weight: 21g; Package Content: 1 x Fixed Iris Lens Professional HD Lens reduces glass flare and ghosting caused by reflections.