The COMPUTAR TG8Z0516FCS Vatifocal Lens is a high-quality CCTV camera lens designed for home surveillance systems. Made in Japan by the reputable brand COMPUTAR, this lens offers a versatile 5-40mm focal length range and a 1/3" CS mount. With a 1:1.6 image ratio, it provides clear and detailed images for security monitoring purposes. This tested product ensures reliable performance for ensuring the safety of your home or business.