Cokin Z-Pro Series Skylight 1B Filter - 4x4"/100x100mm
• Reduces the excessive bluishness that frequently occurs in outdoor color photography, especially in open shade under a clear, blue sky.
• The absorption peak is in the range which corresponds to the film's green spectrum. This means outstanding outdoor shots with superb color balance and clarity under all conditions.
• Also keeps skin tones free of colored reflections from nearby objects such as the shade of trees.