
Maintain consistent exposure for photography projects with this Platinum white balance gray card set. The white, gray and black cards serve as visual references to help you set the right color balance for your camera, and the removable lanyard provides easy handling while keeping the cards organized. This Platinum white balance gray card set is constructed from durable plastic for long-lasting use.
A: TL;DR: No. My received gray card is measured 28% reflectance. Also, the gray and white cards have significant color shift from neutral gray. The gray card is 4 Delta-E towards cyan; the white card is 8 Delta-E towards violet. The attached image shows a comparison of the gray card against X-Rite ColorChecker Classic. The detailed measurement values: Gray card: CIEXYZ = (26.512024, 28.188942, 23.882407), CIELAB D50 = (60.059053, -2.707420, -1.172272). Delta-E = 3.86. White card: CIEXYZ = (68.359253, 69.543051, 65.551326), CIELAB D50 = (86.772259, 2.856743, -8.055409). Delta-E = 7.57. Black card: CIEXYZ = (2.339332, 2.398427, 2.013323), CIELAB D50: (17.452878, 0.554090, -0.336659). Delta-E = 0.88. Measured using Calibrite ColorChecker Studio (aka. X-Rite i1 ColorChecker Studio) spectrometer.
Q: Hello, is the gray card 18% gray ? Thank you.
A: Yes, this set includes: • Gray card • Black card • White card