Steve Jolly wrote: > > Paul Stenquist wrote: > > But that one red channel is adjustable, so its infinitely variable. > > What's more, one can adjust the tonality of the color original in other > > ways -- shadow/highlight, curves, selective color, color replacement > > etc. -- so almost any grayscale variation is possible. > > Indeedy; there are two facts to bear in mind here: > 1. It's almost always possible to get exactly the grayscale image you > want by tweaking things in Photoshop, and > 2. It's almost impossible to *exactly* duplicate the effect of a given > physical filter in Photoshop. It's *absolutely* impossible to simulate > things like UV, polarising and deep red filters, but you can usually get > the effect you wanted (eg a darker sky or improved contrast) a different > way. > > S
I've done a fair amount of tweaking using Brightness and contrast and color shifts in color... but have much to learn. One thing I ill surely get myself is a polarizer - alas I don't have any 58's - anyone have a spare ? ann
