The B+W 72mm Skylight KR-1.5 (1A) Filter is a general use filter with a slight pink tint to help improve overall color accuracy and clarity. The light pink coloration helps to reduce the overall bluish cast of daylight and is especially effective when photographing landscapes and in shade.
The Sky 1A filter is also useful as a general protective filter to leave on lenses at all times. B+W filters are constructed from high quality Schott glass for increased optical clarity and color fidelity. They feature a brass filter ring for durability as well as jamming prevention. Helps to improve general color accuracy and clarity when photographing outdoors in daylight and shade. Light pink tint reduces bluish cast of natural light. General protection filter reduces dust, moisture, and scratches from reaching lens elements. Brass filter ring helps to prevent jamming and provides additional strength.