Opteka Medium 5 X 4 Inches Color And White Balance Reference Grey Card Set With Quick Release Neck Strap For Digital Pho only $ 7.95 - ZoneOffer
Opteka Medium 5 X 4 Inches Color And White Balance Reference Grey Card Set With Quick Release Neck Strap For Digital Pho

Opteka Medium 5 X 4 Inches Color And White Balance Reference Grey Card Set With Quick Release Neck Strap For Digital Pho

$ 7.95
$ 29.95
73%
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Product Information

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.
Brand: Opteka
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