SCS Black CCTV Box Camera 4.2mm Focal Length IR Board Lens F1.8 4.2mm IR Mega Pixel Camera Lens Focal Length: 4.2mm-IR Pixel: Mega Pixel, Format: 1/3 or 1/4 Sensor Aperture: F1.8, Mount: M12 x 0.5 FOV: 75 deg diagnal, 65 deg horizontal for 1/3 sensor