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Opteka Medium 5 X 4 inches Color and White Balance Reference Grey Card Set With Quick Release Neck Strap for Digital Photography

by Opteka


Order now to get it by: Sunday December 18 - Tuesday December 20

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Condition: New

Product ID: 435184

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Description

  • Includes three color calibrated reference cards
  • Dimensions 5" X 4" 0.1" (130mm by 100mm)
  • Logo label with focus target is affixed to one side of the grey card. Both sides of the cards are usable for white balance
  • Works with any digital camera, for JPEG and RAW files
  • Lanyard Strap Included
  • The color values of Opteka Digital Grey Card set have been tested under varying light conditions and show a high degree
    of spectral neutrality. Using the industry-standard X-Rite spectrophotometer, LAB values of L* 63.8, a* -1.6, b* -0.4
    are measured from the surface of the grey card under D50 standard illuminant. For optimum color correction, the black
    card achieves truly deep blacks (RGB 16,16,15). The grey card displays superior spectral neutrality with measured values
    of 162, 162, 160. The white card has a tested RGB value of (220, 224, 223). All three cards have excellent uniformity
    across a range of light sources.

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