Rangers Focus Series 49mm Full ND Filters Includes Full ND2, ND4, ND8, ND16 Filters + Carrying Case + Lens Cleaning Cloth + Lens Cleaning Pen RA015 The Rangers Focus Series polarized filters are great for long exposure shots and slower shutter speeds. Ultra-Slim Design, High-Impact plastic lens material and Aluminum alloy frame ensure the high performance in use. Compatible with Canon EF 50mm f/.1.8 STM Lens. Compatible with Sony Alpha A3000 and the NEX series (NEX-3 NEX-5 NEX-5N NEX-6 NEX-7 NEX-F3) cameras with the 18-55mm, 55-210mm, 50mm, 16mm, 30mm lenses or any other lens with a 49mm thread. 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 an "" (diameter) symbol. For example: 49 = 49mm lens thread size.