Tiffen 6.6"x6.6" 81EF Light Balancing Filter is useful with daylight corrected film in cool light conditions. 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 650K in order to attain 3200K color balance from 3850K illumination.
Filter factor of 1.5 requires a 0.6-stop increase in exposure.
Creates warmer tones and brighter colors on overcast days or when shooting with electronic flash
Great for improving flesh tones
81A converts tungsten 3200 K film to 3400 K lighting
Type: Amber light balancing Size: 6.6 x 6.6" / 167.6 x 167.6 mm (0.2" / 4 mm thick) 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
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.