Originally Posted by
Two23
I am currently trying to fit large lenses to a 5x7 Gundlach Korona. (I'll write more about that later.) For me, the most important measurement has been flange diameter. I'v just purchased a voigtlander Petzval with a 5.5 in. flange that I need to figure out how to get it onto a 4.5 x 4.5 lens board. Second figure of importance is diameter of a lens, to see if it will fit through the front standard as I don't want to try haning a really heavy lens on the Korona's front standard (would like lens to straddle it.) Third measurement would be focal length, of course. I have about 39 inches of rail.
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