Neewer 77MM CPL Circular Polarizer Filter Multi-Coated for Camera Lens with a 77mm Filter Thread 77MM CPL Circular Polarizer Filter with ultra gentle Microfiber Cleaning Cloth. NOTE: Camera, Lens, iphone, ipad, Eyeglass and Watch shown in the picture NOT INCLUDED Effectively helps remove unwanted reflections from surfaces such as water and glass. Increases color saturation. Essential for outdoor photography NOTE: This CPL Filter is compatible with all 77mm lenses. Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a ""(diameter) symbol. For example: ""77 = 77mm lens thread size Compatible with the CANON EOS(6D, 5D Mark III) DSLR Cameras. EF 24-105mm f/4 L IS USM Zoom Lens Compatible with the NIKON D600 DSLR Camera. 28-300mm f/3.5-5.6G ED VR II AF-S Zoom Lens