what's the real coverage of 210xl lens?

[rich silha]

the schnieder 210 xl lens has a listed coverage of 20". can any one who owns one , let me know if the image circle is any larger? will it cover 8x20, 12x20?

[Sol Campbell]

Looking at the MTF charts they are ruler flat all the way to 500mm, so I would guess 600mm at the least and maybe even 700-800mm! What do others think?

This truly is an amazing lens. I think of all the current lenses it is THE one with the largest coverage.

[J.T.]

We put the 210XL on a 12X20 camera and it seemed to work fine with no movements.

[Natha Congdon]

Jeff:

I have this lens and would be interested in using it on 12x20. Was that at infinity? Were you stopped way down?

Thanks,

Nathan