uxcell 16mm 20 Degree Wide Angle CCTV Camera IR Board Lens Focal for 1/3" CCD 16mm 20 degree wide angle board lense for CCTV cameras has standard M12x0.5 thread. it is suitable for 1/3" CCD chipsets, with an aperture of F2.0. Standard M12x0.5 thread. Convenient and practical. Comfortable and easy to use.