I have 36 inch of workable bellows ... I am using an old century camera with no shutter, its light tight as I have gone through a few boxes of film as late as last sunday.

Quote Originally Posted by Dan Fromm View Post
Bob, there's a rule of thumb to the effect of "the higher the magnification, the shorter the lens." This because, for a given focal length the higher the magnification, the more extension needed. How much ya got?