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Trawling through Ebay I just came across a real
whopper of a lens. It is a 36" (914mm) f4 Perkin Elmer. My guess
is it was a mapping camera. The objective is 9" across. It would be fun to
own and make an amazing astrograph but it also weighs 300lb so no
commercial mount I know of would hold it. The item number and URL are
below.
Item # 1736104559
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