Singh-Ray 130 x 177.8mm 81A Light Balancing Filter

BH #SI81A57 • MFR #R-321
Singh-Ray
Singh-Ray 130 x 177.8mm 81A Light Balancing Filter
Key Features
  • Warming Light Balancing Filter
  • Less 200K to Convert 3400 to 3200K
  • For Use with Cokin X-Pro Holder
  • CR-39 Optical Resin
The Singh-Ray 130 x 177.8mm 81A Light Balancing Filter helps to decrease the color temperature by 200K in order to warm the image slightly in order to match the color quality of illumination. When using an 81A filter, you will be able to attain 3200K balance when the prevailing light source is 3400K. The warming effect of this filter requires a 0.3-stop increase in exposure for normal results.
Special Order
Expected availability: 7-14 business days
$250.00

Important Notice

  • This item is noncancelable and nonreturnable.

Singh-Ray 130 x 177.8mm 81A Light Balancing Filter

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Singh-Ray R-321 Overview

The Singh-Ray 130 x 177.8mm 81A Light Balancing Filter helps to decrease the color temperature by 200K in order to warm the image slightly in order to match the color quality of illumination. When using an 81A filter, you will be able to attain 3200K balance when the prevailing light source is 3400K. The warming effect of this filter requires a 0.3-stop increase in exposure for normal results.

Singh-Ray rectangular filters are constructed from high-quality CR-39 optical resin for notable image quality and clarity. This filter measures 5.1 x 7" / 130 x 177.8mm and is compatible with Cokin X-Pro filter holders.

Light balancing filter decreases color temperature and provides a warming effect.
Subtracts 200K in order to attain 3200K color balance from 3400K illumination.
Filter factor of 1.3 requires a 0.3-stop increase in exposure.

Singh-Ray R-321 Specs

TypeAmber light balancing
Size5.1 x 7" / 130 x 177.8 mm (0.07" / 1.8 mm-thick)
Grade81A
Filter Factor1.3 (0.3 stop)
EffectDecreases color temperature
Color Temperature-200K
ConstructionCR-39 optical resin
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