Welcome to our store! 1.5MP high-definition lens, observe objects more clearly with low distortion. 2. The zoom lens can change the shooting range by changing the FL, very useful for image composition. 3. One zoom lens can serve as multiple prime lenses, saving time for lens changes. 4. Has high compatibility, can be applied to most security cameras, the aperture can be fixed and locked for more convenience. 5. Made of high-quality aluminum alloy material, strong and durable, has stable performance. Item Type: Zoom Lens Material: Aluminum Alloy Color: Black+Red Pixel: 5 MP FL: 5-50 mm Relative Aperture: 1:1.4 Image Size: 1/2.7 inch 1/3 inch Mount: CS Mount Horizontal Field of View: 1/2.7 inch 51°-6.1° 1/3 inch 45°-5.5° Minimum Object Distance: 1.5 m Optical Back Focal Length (BFL): 8.1-15.73 mm Working Temperature: -20℃-60℃ Iris: Manual Iris 1 x 5 MP Zoom Lens