I have decided to update the serial number listing, indicating that No. 1868 contains only the rear optics grouping.
Early on when I got my HB&H, I tried the front and rear groups alone. I don't recall offhand which set-up worked better, though I seem to remember that the focal length was quite a bit different. I think the Chevalier Lentille à paysage would be the closest example to a front group only Petzval, mounted reversed. Anyone try that recently?
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