Features: 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 Lens_x000D_ Material: Aluminum alloy_x000D_ _x000D_ Resolution: 5-50mm_x000D_ Image Format: 1/2.5in_x000D_ Focal Length: 5MP _x000D_ Aperture: F1.6_x000D_ Interface (Mount): C_x000D_ Field Angle DXHXV(): _x000D_ 1/2.5in: Short Throw (Wide) Telephoto (Tele)_x000D_ D: 60.5 9.0_x000D_ H: 51.4 7.6_x000D_ V: 26.0 4.0_x000D_ Minimum Shooting Distance (M.O.D.): 0.3m-infinite_x000D_ Flange Back Focal Length (Flange BFL): 17. 526mm_x000D_ Back Focal Length: 12-15.7_x000D_ Dimension: 37xL62. 4mm _x000D_ Filter Size: UV M340.5P_x000D_ Rotation Angle: 90 ~120_x000D_ Lens Construction: 12G_x000D_ Operation:_x000D_ Iris: Manual_x000D_ Focus: Manual_x000D_ Zoom: Manual_x000D_ Operating Temperature: -20C~+80C PackageList: 1 x_x000D_ _x000D_ Lens 1 xAdapter Ring