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Hoya 81B Filter

Hoya 81B Filter

Code: 00ZHYA81BFL    Brand: Hoya   
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The Hoya 81B Filters controls the bluish coloration that affects daylight film. It can also remove excessive blue from the effects of electronic flash. The Hoya 81B Filter decreases color temperature from 3500-3200°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%
Type Color Conversion
Grade 81B
Filter Factor +1/3 stop
Multi-Coated Yes Hoya Multi-Coated (HMC)
Rotating No
Effect The 81 series adds warmth to the image
Application Good for general scenery when the photographer wishes to remove the bluish cast from open shade or just add warmth to the photograph, with an 81EF having the greatest effect
Color Temperature Decreases color temperature from 3500 - 3200° Kelvin
Construction Glass
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OVERVIEW

The Hoya 81B Filters controls the bluish coloration that affects daylight film. It can also remove excessive blue from the effects of electronic flash. The Hoya 81B Filter decreases color temperature from 3500-3200°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%

SPECIFICATIONS

Type Color Conversion
Grade 81B
Filter Factor +1/3 stop
Multi-Coated Yes Hoya Multi-Coated (HMC)
Rotating No
Effect The 81 series adds warmth to the image
Application Good for general scenery when the photographer wishes to remove the bluish cast from open shade or just add warmth to the photograph, with an 81EF having the greatest effect
Color Temperature Decreases color temperature from 3500 - 3200° Kelvin
Construction Glass