Response to halving ISO speed?

Ryan-- I am especially fond of Tri-X shot at 200. I used to use Microdol-X at 1:3 for 10-1/2 minutes (75 degrees F). Lately I am using diluted Xtol (either 1:2 or 1:3), and I have found that the Xtol times on the Kodak website for Tri-X at 200 give very fine negatives. When reading with a thru-the-lens meter on my Canon, I make a point of comparing shadow values and highlight values and setting the exposure so that it is adequate to give shadow detail -- much like you describe.

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