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B+W 62mm E KR3 (81C) Warming Conversion Filter - ( Non F-Pro) 65-073548-OS

  • $ 990
  • Save $ 33


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


This item is an older non-F-Pro series Filter. Same Standard SC coated product. Exposed filter ring depth of this filter is 5mm versus the 4mm of the F-Pro Series

The B+W KR3 (81C) Filter is a color conversion filter that helps to slightly decrease color temperatures and provide a warming effect. The 81C filter adds more warmth to the image for use with tungsten films in natural lighting. It provides a decrease of 400K, 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 400K 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
  • 81C Filter for Color Conversion
  • Warming Filter to Decrease Color Temp
  • Single Coated Schott Glass
  • Rugged Black Brass Filter Ring
  • Type: Warming filter
  • Size: 62mm
  • Grade: 81C (KR3)
  • Filter Factor: 1.5 (0.6 stop)
  • Single-Coat
  • Effect: Provides decrease in color temperature for warming effect
  • Application: For use with tungsten-balanced film outdoors
  • Color Temperature: -400K
  • Construction: Schott Glass
  • Front Filter Thread Size: 62mm
  • Front Lens Cap Size: 62mm