The B+W 46mm UV Haze MRC 010M 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 99.8% light transmission, each glass surface includes eight layers 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. Such filters help to reduce dust and moisture from reaching your front lens element and provide additional protection in case of drops or situations where scratching could occur. Multicoated to prevent internal ghosting and reflections while providing over 99.8% light transmission. General protection filter reduces dust, moisture, and scratches from reaching lens elements. F-Pro brass filter ring helps to prevent jamming and provides additional strength.