Hello, all,
My local camera Guru let me borrow a lens to try out before I bought it and he has no idea what exactly it is. I didn't know "wheel stop" (if thats even the proper term) existed before I saw this lens.
There is no markings on the lens anywhere. There are etchings on the back of the wheel that read 8, 16, 32, 64.
Not sure if there's any way to know who made it or how old is, but thats why I figured I would post here!
By my measurements it should be a 165mm lens. Despite the etchings on the back, the larger hole on the wheel I measured as 5/8" which, if I did my math right, would be f10.4.
Any ideas on where one might learn about such a thing?
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