Originally Posted by
Alan9940
Based on your shooting parameters, I would think that using a 450mm (18") lens would be difficult and, perhaps, cumbersome. Think of it this way, to get a 1:1 relationship on film with this lens would require 36" of bellows draw! 3 feet!! That's a lot of bellows and maintaining stability at that extension would be difficult. How much bellows extension does your bellows allow? Will it go to, at least, 27"? That might provide a workable image on the film that you could crop into, as needed.
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