256 Zones Of Gray. Each zone represents double or half of the light one exposure stop in the adjacent zone so they follow a logarithmic progression powers of two in terms of the amount of light. 512GB 1 Silver 124900.
FREE shipping on qualifying offers. 1TB 1 Space Gray 144900. How much storage is right for you.
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Learn more about Competing in the Gray Zone. This allows 2 n different combinations of code for each pixel where n equals the number of bits. Zone 5 is the 50 gray tone 18 reflectance and in the center of the scale. United States Army War College Press 2015.