B + W 72mm Skylight 1A Coated Glass Filter (KR1.5)

Eliminates excess blue in sky, sea, high altitude and flash photography. Absorbes only 1/10th of an f-stop of light; filter factor 1.1 Doubles as a UV filter and can be left on for lens protection. Product DescriptionDue to its light pink color, the KR 1.5 reduces excess blue cast giving a pleasing, warmer picture tone. [...] http://wbst.us/mmGj7x