Welcome to our store! 1. 1.8mm Focal Length: This fisheye lens boasts a 1.8mm focal length and 5MP resolution, delivering high-resolution image detail to prevent information loss. 2. Wide Compatibility: The image format is compatible with 1/2.7", 1/3" CCD and CMOS sensors, making it suitable for CCTV fisheye cameras. Capture your ideas smoothly and get clear images. 3. Field of View: This lens offers a wide field of view: 190°, 148°, 88° for 1/2.7" sensors and 154°, 113°, 81.5° for 1/3" sensors, allowing you to see large portions of the scene and monitor the overall situation. 4. Premium Material: The 5MP fisheye lens is constructed from high-quality aluminum alloy for high sensitivity and reliability. Use it with confidence. 5. Exquisite Workmanship: The camera lens features an M12xp0.5-6g thread size, fixed aperture, and professional manufacturing for high performance – a great replacement for old or damaged lenses. Specifications: Item Type: Fisheye Lens Material: Aluminum Alloy Sensor Size: 1/2.7", 1/3" CCD and CMOS Focal Length: 1.8mm Rear Focal Length: 6.5mm Rear Focal Length: 5.98mm F/NR: 2.0+5% Aperture (Iris): Fixed Aperture Field of View: 190°, 148°, 88° for 1/2.7" 154°, 113°, 81.5° for 1/3" Resolution: 5MP M.O.D: 0.1m Thread Size: M12xP0.5-6g Package Contents: 1 x Lens