I picked up a gowland 4x5 aerial that had been made to work with a Rodenstock Apo-Sironar-S 150mm f5.6. That lens has a FFD of 147mm. I thought I could go with the much more affordable Nikkor W 150mm f5.6 with a ffd of 146.8mm. I guess those 2 tenths of a mm really make a difference because it is nowhere near in focus. With the help of a forum member (who shall remain nameless to protect his reputation) we have been experimenting with temporary shims but I still am surprised that there should be that much of a difference unless there is something I am overlooking.
Anyone looking to get get of a Sironar S 150?
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