Welcome to our store! 1. 1.8mm 170° wide-angle board lens for CCTV cameras 2. With standard M12x0.5 thread, suitable for 1/3 inch and 1/4 inch CCD chipset cameras 3. 170° wide angle offers a wider field of view and with an aperture of F2.0 4. Infrared lens is suitable for all lighting conditions, especially for night 5. Good performance, showing clear and undistorted images Specification: Features: 1. 1.8mm 170° wide-angle board lens for CCTV cameras. 2. With standard M12x0.5 thread, suitable for 1/3 inch and 1/4 inch CCD chipset cameras. 3. 170° wide angle offers a wider field of view and with an aperture of F2.0. 4. Infrared lens is suitable for all lighting conditions, especially for night. 5. Good performance, showing clear and undistorted images. Specifications: Material: Plastic Viewing Angle: 170° Wide Angle Aperture D/f': 2.0 Pixel: 1MP Focal Length: 1.8mm Back Focal Length: 4.9mm Mounting Thread: M12 x 0.5 Image Format: 1/3 Weight: Approx. 7g Package Includes: 1 X 1.8mm Lens for CCTV Camera 100% Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory customer service