NOTE: Altura Photo 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 "Ø" (diameter) symbol. For example: Ø77 = 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.