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Chapter 7. Black & White: Photoshop in B... > Scott’s High-Contrast Black-and-Whit... - Pg. 194

The Photoshop CS2 Book for Digital Photographers Step Six: Here's where the fun begins. The tech- nique starts with two predetermined steps: (1) Lower the Constant slider (at the bottom) to -8 to darken the entire photo, and (2) lower the Red channel to around 75% (I do this on every image). Now, you're going to increase the Green and Blue channels to create the extreme contrast. How much do you move them? For this image, I moved the Green to 26% and the Blue to 34%, but I came up with those numbers using a tried-and- true method, which I will disclose (for the first time ever) in the next step. Step Seven: