Tiffen 49mm 81EF Light Balancing Filter

The Tiffen 49mm 81EF Light Balancing Filter helps to decrease the color temperature by 650K in order to warm the image slightly in order to match the color quality of illumination. When using an 81EF filter, you will be able to attain 3200K balance when the prevailing light source is 3850K. The warming effect of this filter requires a 0.6-stop increase in exposure for normal results.

SKU
4981EF

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The Tiffen 49mm 81EF Light Balancing Filter helps to decrease the color temperature by 650K in order to warm the image slightly in order to match the color quality of illumination. When using an 81EF filter, you will be able to attain 3200K balance when the prevailing light source is 3850K. 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.

  • Light balancing filter decreases color temperature and provides a warming effect.
  • Subtracts 650K in order to attain 3200K color balance from 3850K illumination.
  • Filter factor of 1.5 requires a 0.6-stop increase in exposure.
  • General Specifications
    Detail
    Type Amber Light balancing
    Size 49 mm
    Grade 81EF
    Filter Factor 1.5 (0.6 stop)
    Effect Decreases color temperature
    Application For adjusting 3850K illumination to 3200K
    Color Temperature -650K
    Construction ColorCore glass
    Front Filter Thread Size 49 mm
    Front Lens Cap Size 49 mm

     

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