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B+W 72mm 81B Filter Warming Filter - Schott Glass MPN: 65-030243

  • $ 3990


  • Provides decrease in color temperature for warming effect
  • High Quality Schott Glass
  • Rugged Black Brass Filter Ring
  • Made in Germany


TheB+W 81B Filteris a color conversion filter that helps to slightly decrease color temperatures and provide a warming effect. The 81B filter adds more warmth to the image for use with tungsten films in natural lighting. It provides a decrease of 300K, helping to render the scene more similarly to incandescent illumination. There is a 1.5x filter factor with this filter, requiring an increase of 0.6 stop for normal exposure. 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. Color conversion filter helps to slightly decrease color temperatures and provide a warming effect. Provides a decrease of 300K for use of tungsten-based films in daylight situations. Constructed from high quality Schott glass for optical clarity. Brass filter ring helps to prevent jamming and provides additional strength. PRODUCT HIGHLIGHTS 81B Filter for Color Conversion Warming Filter to Decrease Color Temp Rugged Black Brass Filter Ring High Quality Schott Glass Type:Warming filter Grade:81B Filter Factor:1.5 (0.6 stop) Effect:Provides decrease in color temperature for warming effect Color Temperature:-300K Construction:Schott Glass