
(Ray)
(Fogra 39)Job:04-30554 Title:RP-Creative Photography Lab
#175 Dtp:225 Page:44
040-063_30554.indd 44 4/26/13 11:05 AM
(Ray)
(Fogra 39)Job:04-30554 Title:RP-Creative Photography Lab
#175 Dtp:225 Page:45
040-063_30554.indd 45 4/26/13 11:06 AM
Creative PhotograP hy Lab
44
(Text)
18-Percent Gray
In the early days of photography, someone
figured out that a typical landscape scene
averages about 18-percent reflectance. That
is, if you take all the tones in a black-and-
white photo and mixed them together like
paint, you end up with middle gray that turns
out to be 82 percent white and 18 percent
black. (It seems like it should be 50 percent ...