Aluminum Alloy Camera Lens Tripod Collar Ring for 70-200mm F4/F4L IS USM

Feature: \n 1. Suitable for EF 70-200mm f/4L USM, for EF 70-200mm f/4L IS USM, for EF 300mm f/4L USM, for EF 400mm f/5.6L USM.\n2. Aluminum alloy construction, anti-rust and lightweight, durable to use.\n3. Easy to install with a fixing screw stud and convenient to use.\n4. It helps you fix and balance your tele lens which is heavy or long hanging off the front of camera.\n5. Nice accessory for photography lovers, bringing you better shooting experiences. \n\nSpecification: \nFeatures:\n\n--\n\nSuitable for EF 70-200mm f/4L USM, for EF 70-200mm f/4L IS USM, for EF 300mm f/4L USM, for EF 400mm f/5.6L USM. \n\n--\n\nAluminum alloy construction, anti-rust and lightweight, durable to use. \n\n--\n\nEasy to install with a fixing screw stud and convenient to use. \n\n--\n\nIt helps you fix and balance your tele lens which is heavy or long hanging off the front of camera. \n\n--\n\nNice accessory for photography lovers, bringing you better shooting experiences. \n\nSpecification:\n\-