55MM Altura Photo UV (Ultra Violet) Lens Filter for Camera Lens with 55MM Filter Thread NOTE: This Altura Photo filter is compatible with 55MM lenses only. 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 Compatible with the Sony Alpha Series (A99, A77, A58, A57, A65, A55, A 390, A100, A33, A900, A850, A700, A500 A330, A300 A230, A200) DSLR cameras with 18-55mm, 75-300mm f/4.5-5.6, 50mm f/1.4 lenses. Filters UV rays and eliminates haze from scenic photos. Especially useful in areas of high altitude or snow. Filters are one of the least expensive accessories you can use to make big changes in the way your pictures look. Backed with DigitalGoja 90-Day 100% Satisfaction Guarantee