The B+W 105mm UV Haze SC 010 Filter is a general use, clear filter designed to absorb ultraviolet light and reduce the bluish cast of daylight. To prevent internal ghosting and reflections while providing over 98% light transmission, each glass surface includes one layer of anti-reflection coating.B+W filters are constructed from Schott glass for increased optical clarity and color fidelity. This filter features an F-Pro brass filter ring for durability as well as jamming prevention. This UV filter is also useful as a general protective filter to leave on lenses at all times. Does not require adjustments to exposure while in use. Creates no additional coloration or contrast. Constructed from Schott glass for optical clarity. F-Pro brass filter ring helps to prevent jamming and provides additional strength.