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Tiffen 138mm 81EF Light Balancing Filter

$338.40
In stock
SKU
9395
  • 138mm 81EF
  • Warming Light Balancing Filter
  • Less 650K to Convert 3850 to 3200K
  • ColorCore Technology

The Tiffen 138mm 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.

General Features:

  • Warming Light Balancing Filter
  • Less 650K to Convert 3850 to 3200K
  • ColorCore Technology
More Information
SKU 9395
Specifications

Type: Amber light balancing
Size: 138 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: 138 mm
Front Lens Cap Size: 138 mm

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