The Tamron 1/3" CS Mount 3-8mm F1.0 DC Iris Lens is a high-quality CCTV lens designed for cameras and photo equipment. With a maximum aperture of f/1 and a focal length of 8mm, this lens offers clear and detailed images in both auto and manual focus options. The CS-mount design ensures compatibility with security cameras and surveillance systems, making it a versatile choice for various monitoring setups. Built by the reputable brand Tamron, this lens delivers excellent performance and reliability for capturing crisp footage from a distance.