resolution 5MP single board lens designed for longrange, detailed imaging and easy DIY upgrades. The 50 mm optical length and F2.8 aperture deliver sharper images with low optical distortion, while the durable aluminum alloy body and included cover extend service life. Threaded mounting simplifies replacement and makes this lens suitable for many network camera setups. Key benefits Improved image detail: 5MP resolution and 50 mm optical length provide clear, sharp images for applications that need longrange detail. Built to last: Aluminum alloy construction offers strength and toughness; included cover helps protect the lens when not in use. Quick installation: Threaded interface for direct mounting makes replacement and upgrades straightforward for technicians and DIY users. Reliable performance: Manufactured to original specifications for consistent optical behavior and repeatable results. Broad compatibility: Single board lens form factor is compatible with most network cameras that accept this interface. Main specifications Item type: Single board lens Material: Aluminum alloy Resolution: 5MP Image format: 2/3 in Optical length: 50 mm Total optical length (TTL): 41 mm Aperture: F2.8 (fixed) Focus: Manual Zoom: Fixed Interface mount: threaded, x P0.5 Field of view (horizontal x vertical): 2/3 in: 10.1 x 7.6 degrees 1/1.8 in: 8.2 x 6.1 degrees 1/2 in: 7.3 x 5.5 degrees Optical distortion: 0.35 percent Nearest object distance (M.O.D.): 0.5 m Mechanical back focus: 5.5 mm Dimensions: diameter 22 mm x length 35.5 mm Operating temperature: 20 C to +80 C Operation notes Aperture iris: fixed Manual focus for precise framing and critical focus control Designed for stable optical alignment; no zoom adjustments required Suitable applications Perimeter and facility surveillance where narrow field of view and detail are needed for identifying distant objects. Industrial inspection or monitoring tasks requiring resolution capture of small or distant targets. Camera upgrades or custom builds where a durable, threaded single board lens is needed for improved sharpness and longterm reliability. Package contents 1 x Single board lens This lens is a practical option for users seeking a durable, resolution single board lens with straightforward installation and reliable optical performance.