DGK Color Tools DGKR27-XT Digital Gray Cards (Set of 3) Two 8x10" Cards / One 4x5" Card, Double-Sided, Gray/Black, For Use When Establishing White Balance, Helps Determine Correct Exposure, Gray Side is for 18% Reflectance, Works with Any Camera or...
DGK Color Tools DGKR27-XT Digital Gray Cards (Set of 3) Two 8x10" Cards / One 4x5" Card, Double-Sided, Gray/Black, For Use When Establishing White Balance, Helps Determine Correct Exposure, Gray Side is for 18% Reflectance, Works with Any Camera or...