Does anyone have any data on the coverage of the 300/500mm Schneider Symmar convertible lens. I was testing the lens on 11x14 and I was surprised to see that it covered the format. I was shooting at f22 with the lens focused at infinity and there did not appear to be any significant light fall-off at the corners of my final print. Some foreground elements were somewhat out of focus, but this may be a function of the camera set-up and the fact that I did not use any lens tilt. I knew the lens covered 8x10 and I had used it with success on studio images at large magnification ratios (3:1, 2:1, etc.). I normally use a 480mm Red Dot Artar for 11x14 but I was looking for a wider angle. Is it possible that the Convertible Symmar covers 11x14 with little or no movements? Or am I just not seeing the limits of the image circle. Thanks for your help.
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