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B+W 46mm 81B Filter

B&H # BW81B46 Mfr # 65-027440
No Longer Available
Product Highlights
  • 81B Filter for Color Conversion
  • Warming Filter to Decrease Color Temp
  • Rugged Black Brass Filter Ring
  • High Quality Schott Glass

The B+W 46mm 81B Filter is 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.
Type Warming filter
Size 46 mm
Grade 81B
Filter Factor 1.5 (0.6 stop)
Effect Provides decrease in color temperature for warming effect
Application For use with tungsten-balanced film outdoors
Color Temperature -300K
Construction Schott Glass
Front Filter Thread Size 46 mm
Front Lens Cap Size 46 mm
B+W 46mm 81B Filter
  • Limited 10-Year Warranty
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