Warming Color Conversion Filter, 5500 to 3400K Color Temp Decrease

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The Tiffen 72mm 85 Colour Conversion Filter helps to decrease the colour temperature from 5500 to 3400K, allowing the use of tungsten-balanced film in daylight conditions. The warming effect of this filter requires a 0.6-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 decreases colour temperature and provides a warming effect.
  • Converts 5500 to 3400K for using tungsten-balanced film in daylight conditions.
  • Filter factor of 1.6 requires a 0.6-stop increase in exposure.


TypeAmber colour conversion
Size72 mm
Filter Factor1.6 (0.6 stop)
EffectDecreases colour temperature
ApplicationFor use when photographing with tungsten-balanced film in daylight conditions
Colour Temperature5500 to 3400K
ConstructionColorCore technology
Front Filter Thread Size72 mm
Front Lens Cap Size72 mm
Tiffen 72mm 85 Color Conversion Filter
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