Here is a quick 8x10 print of the full negative with the easel centered under the lens. I dont see any falloff at all with the 75mm Nikon.. Bob must be correct about the issue being from cropping the image by moving the easel. Last night i removed the condenser tube to look and see if something look out of wack and put it back in place this morning.. Could the condensers have been out of line and when i put them back they fell back into place? This is a bad image of the print sitting in the fixer taken with my cell phone. No burning or dodging was done, just a quick exposure.