Features and Functions: Digital Ultra Clear FilterCircular Polarizer Filter812 Warming FilterEnhancing FilterFour Filter Pouch Description: Comprising a useful and versatile set of filters for general shooting applications, the 55mm Digital Enhancing Filter Kit from Tiffen bundles four 55mm filters and a protective filter pouch. The included filters are the Digital Ultra Clear, which serves a simple clear filter to protect the lens; a Circular Polarizer, which helps to improve contrast and saturation while reducing reflections; an 812 Warming filter, which increases overall warmth and improves skin tones; and an Enhancing filter that boosts saturation of reddish and earth tones. ens. This optically clear filter does not affect the overall image quality while helping reduce dust, scratches, moisture, and other elements from damaging your lens. Its Water White glass construction is optically pure and maintains consistent light transmission and clarity. Tiffen filters are made using ColorCore technology; a process that involves laminating the filter substrate between 2 pieces of optical glass, grinding flat to a tolerance of 1/10,000th of an inch, then mounting to precision metal rings.Items Included: Tiffen 55mm Digital Ultra Clear Filter Tiffen 55mm Circular Polarizing Filter Tiffen 55mm 812 Warming Filter Tiffen 55mm Enhancing Filter Tiffen Cordura Filter Pouch