Durable & Not Easily Damaged : Constructed from sturdy aluminum alloy, this Camera Adapter Ring ensures long-lasting performance in various environments. Easy Installation : Designed for effortless mounting, our adapter ring features M42 x 0.75mm thread, ideal for quick setup on your CCTV Security Camera. Lightweight & Portable : Despite its robust build, the adapter remains lightweight, making it convenient for transport and ideal for fieldwork. Increase Focal Length : Perfect for surveillance and industrial applications, this ring allows for a precise increase in focal length, enhancing your camera's capabilities. Clear & Smooth Thread : Precision engineered threads provide a secure connection, ensuring stability and minimizing any potential damage during installation. In the realm of professional surveillance, our Camera Adapter Ring emerges as a beacon of reliability and efficiency. Designed to elevate your CCTV experience, it seamlessly integrates into your security system, offering unparalleled convenience without compromising on durability.