Does anyone have experiance with Nikkor APO f9 process lenses with LF photograph y, Do these lenses perform at infinity? Are there major focus problem around th e edges. Will the 610mm cover 8X10, I found an example on SK Grimes's website s howing several different focal lengths (up to the 760mm) mounted in shutter. If anyone has one of these lenses please let me know.
Thanks Dave
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