Feature: 1. High Resolution: Can be used in high resolution cameras, images up to 12Mega Pixel, with focal length of 12mm, aperture of F1.4. 2. Clear Image: Advanced glass composites and anti reflective coatings are used to produce detailed images with high contrast. 3. Wide Application: With low distortion and high compatibility, this lens can be adapted to most security camera models. 4. Unique Design: With manual aperture and focus adjustment, zoom fixed, which can bring you much convenience when taking picture. 5. Strong Shell: The aluminum alloy shell can protect the lens from wear and cracking caused by extrusion with high strength, make it durable in use. Specification: Item Type: Manual Iris Camera LensMaterial: Aluminum alloy, glass composite material .Resolution: 12Mega Pixel Image Format: 1.1in Focal Length: Approx. 12mm/0.47inAperture: F1.4±10% Interface (Mount): C Field Angle (DxHxV) ±5%: 1.1in 74°x62.8°x45.1°, 1in 68°x56°x43° Distortion: -4.50% CRA: ≤ 5.5° M.O.D.: 0.3m Dimension: Φ50x78-80.5mm Flange BFL: Approx. 17. 526mm/0.69inBFL: Approx. 11.56mm/0.46inMBF: Approx. 9.88mm/0.39inOperation: Manual Iris, Manual Focus, Fixed Zoom Operating Temperature: -20°C~+80°C Package List: 1 x Lens1 x Manual