



Mamiya C33 Focus Screen Calibration Help!
Anyone had to do this before? I bought myself this lovely C33, but test roll showed every shot missed focus. By setting up an inclined target it was plain to see that there was a discrepancy between the VF and my makeshift ground-glass (frosted acrylic sheet works surprisingly well!)
Ive added nearly 0.5mm of shimstock under the focus screen and it seems there's a ways to go yet, which was more than I anticipated. Are you supposed to shim the front and back, or just the tiny washers at the rear?