Cooling Color Conversion Filter, 3400 to 5500K Color Temp Increase

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The Tiffen 82mm 80B Colour Conversion Filter helps to increase the colour temperature from 3400 to 5500K, allowing the use of daylight-balanced film in tungsten-lit conditions. The cooling effect of this filter requires a 1.6-stop increase in exposure for normal results.

This filter is made using ColorCore technology, a process that involves laminating the filter substrate between 2 pieces of optical glass, grinding flat to a tolerance of 1/10,000th of an inch, and then mounting to precision metal rings.

Key Features

  • Colour conversion filter increases colour temperature and provides a cooling effect.
  • Converts 3400 to 5500K for using daylight-balanced film in tungsten-lit conditions.
  • Filter factor of 3 requires a 1.6-stop increase in exposure.


TypeBlue colour conversion
Size82 mm
Filter Factor3 (1.6 stop)
EffectIncreases colour temperature
ApplicationFor use when photographing with daylight-balanced film in tungsten lighting
Colour Temperature3400 to 5500K
ConstructionColorCore glass
Front Filter Thread Size82 mm
Front Lens Cap Size82 mm
Tiffen 82mm 80B Color Conversion Filter
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