Originally Posted by RattyMouse
The answer is YES, 1/30th is mostly too slow for my GA645. I have not been able to do any of the testing described in this thread to check my camera's focus. But I got back from the lab 6 rolls of film today with 4 of the rolls being high speed 400 or 1600 film. MUCH better sharpness. It has to be due to the higher shutter speeds. 1/45 and higher speeds lost almost 100% better. Only a few throw aways.
I guess I have to shoot a lot less 100 speed film. Makes me sad as I LOVE Acros film.