Features:High quality alloy case and a good quality lens.Applicable to bars, shops, parking lots, houses and warehouses, etc.It gives you the widest field of view provided by the 16mm C mounting lens.This CCTV camera lens can provide super clear vision for your mirrorless camera.This lens use 25mm lens and advanced optical elements to ensure all-around definition and efficient light conductivity. Its aperture can be manually adjusted according to the level of light available.High quality lens, 25mm focal length, f / 1.8 aperture, suitable for low light environments.Specification:Condition: Brand NewMaterial: Aluminum alloy + optical glassColor: black, silver (optional)Lens mount: CFocal length: 25 mmAperture: F1.8Elements/groups: 5/7Aperture blade: 8Minimum focal length: 20mmDiameter of front thread: 37mmWeight: approx. 126gPackage List:1 * Lens1 * Lens Front Cap1 * Lens Rear Cap.Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.