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Originally Posted by afrodj13
The easiest is to use channel mixer I find. Just simply open your image, go to image - adjustments - channel mixer. A dialog box will pop up with three sliders, channel, constant, and a box for monochrome. Click monocrhome and you'll notice your image has turned b&w. Now, enter in some of these numbers to replicate real b&w film and filters (the first being red, second green, third blue);
Agfa 200X: 18,41,41
Agfapan 25: 25,39,36
Agfapan 100: 21,40,39
Agfapan 400: 20,41,39
Ilford Delta 100: 21,42,37
Ilford Delta 400: 22,42,36
Ilford Delta 400 Pro: 31,36,33
Ilford FP4: 28,41,31
Ilford HP5: 23,37,40
Ilford Pan F: 33,36,31
Ilford SFX: 36,31,33
Ilford XP2 Super: 21,42,37
Kodak Tmax 100: 24,37,39
Kodak Tmax 400: 27,36,37
Kodak Tri-X: 25,35,40
And some general ones, pretty much these will do;
Normal Contrast: 43,33,30
High Contrast: 40,34,60
After that go to image - adjustments - brightness/contrast and add a bit of contrast (or don't depending on what you feel is right for the shot). That's about it. If you use the desaturate option I will probably hunt you down and kick you in the throat. It's an easy way out but it leaves your shots completely flat, and devoid of all value and tone.
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