Hoya A 81 B Filter
Hoya A 81 B Filter Box
81B Color Correction

81B Color Correction

Regular price $27.90 Sale price$17.90 Save $10.00
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  • Warms color temperature 300°K to balance cool lighting conditions 
  • Designed for film photographers
  • Helpful on overcast days and shady conditions
  • 6 layers of HMC multi-coating

PLEASE NOTE:This product is discontinued and no longer being manufactured by the factory. It is possible that inventory is available through retailers and online.

The 81B color correction filter warms the ambient light entering the lens by 300° Kelvin by adding orange to the overall exposure. The filter helps fine-tune the color or look of your scene to match your film's white balance.

The Hoya 81B filter is helpful when:

  • You are using daylight-balanced film and the light source is cooler than the traditional 5500° K and you need a specific amount of color correction to match your film type.

  • You would like to add a slightly warmer look to your portraits.

  • You are shooting in overcast conditions and there is a blue color cast.

HOYA Multi-Coat (HMC) filters are recommended for enhancing the performance of today’s multicoated lenses. These popular filters minimize reflection, reduce flare and ghosting, and result in over 97% average light transmission.


Comparison of 81 Series Conversions:
FILTER Warming Amount (in degrees Kelvin)

81A

200°

81B 300°

81C

400°

Filter Factor: 1/2 stop
Glass Type: Hoya Optical
Number of Multi-Coatings: 6 Total / 3 each side
Hardened Top Layer: No
Anti-Static: No
Frame Construction: Standard Profile / Aluminum
Front Filter Threads: Yes