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The Tiffen 6.6 x 6.6" 81D Light Balancing Filter helps to decrease the color temperature by 500K in order to warm the image slightly in order to match the color quality of illumination. When using an 81D filter, you will be able to attain 3200K balance when the prevailing light source is 3700K. 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 and grinding flat to a tolerance of 1/10,000th of an inch. It measures 6.6 x 6.6" / 167.6 x 167.6mm.
Light balancing filter decreases color temperature and provides a warming effect.
Subtracts 500K in order to attain 3200K color balance from 3700K illumination.
Filter factor of 1.5 requires a 0.6-stop increase in exposure.
In the Box
Tiffen 6.6 x 6.6" 81D Light Balancing Filter
Limited 10-Year Warranty
Table of Contents
Amber light balancing
6.6 x 6.6" / 167.6 x 167.6 mm (0.2" / 4 mm thick)
1.5 (0.6 stop)
Decreases color temperature
For adjusting 3700K illumination to 3200K
Tiffen 6.6 x 6.6" 81D Light Balancing Filter Review