TIANYA 49mm Optical Ultra Slim XS-Pro1 Digital UV Ultraviolet Protective Filters - Multi-Coated + CEARI Microfiber Clean Cloth This XS-Pro1 Digital UV Ultraviolet Protective Filter is comptible with All 49mm Lenses Only, it always preceded by "" Symbols on the Lens, Such as 49=49mm. Material: K9L Optical Glass, Aviation Aluminum, Double Thread Construction, Multi-Coated Blocks the invisible Ultraviolet Component of light from the Sky, which can cause blur and to which many color films react with a blue cast. Protect your Delicate Lens from dust, scratches and accidental damage. 99% Transmittance Ultraviolet Filter allows you capture clarify images without lose contrast Increase the contrast and saturation in blue skies and white clouds