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: 5-50mmImage Format: 1 or 2.5inFocal Length: 5MP Aperture: F1.6Interface (Mount): CField Angle DXHXV(): 1 or 2.5in: Short Throw (Wide) Telephoto (Tele)D: 60.5 9.0H: 51.4 7.6V: 26.0 4.0Minimum Shooting Distance (M.O.D.): 0.3m-infiniteFlange Back Focal Length (Flange BFL): 17. 526mmBack Focal Length: 12-15.7Dimension: 37xL62. 4mm Filter Size: UV M340.5PRotation Angle: 90 -120Lens Construction: 12GOperation:Iris: ManualFocus: ManualZoom: ManualOperating Temperature: -20C-and80CPackage List:1 xLens1 x Adapter Ring