Originally Posted by holmburgers
Let's see the numbers. What reflectance are we calling zone VIII for instance?
Look at the table in post #26 and use the following equation to calculate the print reflectance:
R = 1/10^D
where D is the reflection density. For example, Zone VIII has a reflection density of 0.09.
R = 1/10^0.09
R = 1/1.2303
R = 0.81283
R = 81%
Ralph W. Lambrecht