Compatibility Fits DSLR lenses and other cameras with filter thread sizes: 37mm, 40.5mm, 43mm, 46mm, 49mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm, and 82mm. Key benefits Prevents lens cap loss: Includes an antilost rope to keep the cap secured and easy to retrieve. Lightweight and durable: Made from ABS plastic for a lightweight, wellshaped cap that holds its form. Quick and simple to use: Pinch the center and quickly attach or remove from the front of the lens. Practical protection: Keeps the lens front cover accessible and secure during shoots without adding bulk. What it does for you Saves time during shoots by allowing fast lens cap changes. Reduces the risk of dropping or misplacing the cap while moving between locations. Works with a wide range of DSLR lenses, simplifying gear handling when using multiple lenses. Use scenarios Travel and street photography: Easy to switch lenses on the go while keeping the cap tethered. Outdoor shoots: The antilost rope provides security in windy or crowded environments. Studio and portrait sessions: Quickly remove and reattach the cap between shots with minimal fuss.