Hoya 67mm 81C Filter**

The Hoya 67mm 81C Filter controls the bluish coloration that affects daylight film. It can also remove excessive blue from the effects of electronic flash. The Hoya 81C Filter decreases color temperature from 3600-3200°K.

Multi-coated to minimize reflection at the filter surfaces which reduces flare and ghosting.

• As one of the premier filter manufacturers, Hoya filters continue to made from quality glass assuring the photographer clear, sharp and accurate images
• Hoya filters consistently provide even color all the way through the filter; All surfaces are ground and polished to specific thickness and tolerances
• Even non-multi-coated Hoya filters have one layer of anti-reflective coating applied to each surface of the glass; Hoya's single layer coating decreases light reflection off the surface from approx. 9% to an average of 4-5%