Feature: 1. 5MP Lens: Camera lens has a 5 MegaPixel, which provides high definition images, good color reproduction, observe objects more clearly. 2. Manual Aperture Zoom: With adjustable aperture manual focus lenses, you get more clarity, focus and the ability to change lenses. 3. Wide Application: With low distortion and high compatibility, this lens can be adapted to most security camera models. 4. Tough Shell: The lens is protected by premium aluminum alloy shell, which can be used in extreme environments, and better protect the lens. 5. Easy Install: The aperture can be fixed, easy to install and disassemble, save time and effort, and can bring you much convenience. Specification: Item Type: Camera Zoom LensMaterial: Aluminum alloy .Resolution: 5-50mm Image Format: 1/2.5in Focal Length: 5MP Aperture: F1.6 Interface (Mount): C Field Angle DXHXV(°): 1/2.5in: Short Throw (Wide) Telephoto (Tele) D: 60.5° 9.0° H: 51.4° 7.6° V: 26.0° 4.0° Minimum Shooting Distance (M.O.D.): 0.3m-infinite Flange Back Focal Length (Flange BFL): 17. 526mm Back Focal Length: 12-15.7 Dimension: 37xL62. 4mm Filter Size: UV M34×0.5P Rotation Angle: 90° ~120° Lens Construction: 12G Operation:Iris: Manual Focus: Manual Zoom: Manual Operating Temperature: -20°C~+80°C Package List: 1 x Lens1 x Adapter Ring