What is this thing?

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mykl

Some sort of strange lens assembly I found at a Goodwill many years ago (lemmy.world)

submitted 1 week ago by turbowafflz to c/whatisthisthing

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1000016939

It has 4 lenses in total, two at each end. The only text on it is the number 50, stamped into the bottom of the ring that goes around the outside to attach it to whatever it goes with

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[–] Warl0k3 19 points 1 week ago* (last edited 1 week ago)

My first thought, too. Its almost identical to the image from wikipedia's article on petzval lenses, even.