You can, but in any case, use an adjustment layer. Some people feel that Levels is more "destructive" than curves to an image, others feel that curves gives better control. I don't know about the first (not sure even what is meant by destructive in this sense), but the later shouldn't matter if you get the result you want.
Frits W�thrich wrote: > Why not use levels for that? > > On Fri, 2004-01-09 at 19:04, Dag T wrote: > > I always try to stretch the scale so that the image contains both areas > > being close to the lightest and darkest values. Anything else will > > often seem grey. It�s the same thing I do in the darkroom, it is done > > by controlling both contrast and the overall exposure. In Photoshop I > > use the curve tool.
