Features 1Universal Fit: Reliable lens with M12 specification interface, suitable for most network cameras on the market. 2Ideal Replacement: A 5MP HD lens with a 50mm optical focal length, acting as a pixel upgrade component for your original camera, is a great choice for enhancing image sharpness. 3Easy Installation: Installation is simple. It features a threaded interface for direct mounting by rotation. 4Robust Construction: Made of durable aluminum alloy for high strength and toughness. Includes a lens cap to extend lens life when not in use. 5Exquisite Workmanship: Manufactured to original specifications, meeting strict quality standards. Specification Item Type: Single Lens Material: Aluminum Alloy Resolution: 5MP Image Format: 2/3in Focal Length: 50mm Aperture: F2.8 Interface Mount: M12 x P0.5 Field Angle DXHXV () 2/3in 10.1 x 7.6 1/1.8in 8.2 x 6.1 1/2in 7.3 x 5.5 Optical Distortion: 0.35% Closest Object Distance (M.O.D.): 0.5mm Mechanical Back Focus (MBF): 5.5mm Dimension: 2235.5mm Total Optical Length (TTL): 41mm Operation: Aperture (Iris): Fixed Focus: Manual Zoom: Fixed Operating Temperature: -20 C ~ +80 C Package List 1 x Single Lens