Feature 1MANUAL ADJUSTMENT: C mount film lens is simple to use and the aperture can be manually adjusted according to the available light level. 2ADVANCED OPTICS: C mount camera lens uses advanced optics to ensure all around clarity and efficient light guidance. 3WIDEST FIELD OF VIEW IMAGE: C mount CCTV lens has low distortion and provides you with the widest field of view image that a C interface lens can offer. 4RUGGED AND DURABLE: F1.4 CCTV lens features an aluminum housing and glass lens. It is rugged and resistant to damage and has a long service life. 5RANGE OF APPLICATIONS: 25mm F1.4 CCTV lens is perfect for bars, stores, parking lots, houses and warehouses, etc.Item Type: 25mm F1.4 CCTV LensMaterial: Aluminum, GlassOriginal Focal Length = 25mm 1inMounting Type: C MountAperture: F 1.4Aperture Operation: ManualFocusing Operation: ManualViewing Angle: 19.6Object Distance (OD): Approx. 30cm 11.8in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x 25mmF1.4CCTVLens