What is this thing?

5943 readers

37 users here now

Let us help you identify that mysterious object you’ve found.

Currently in CHALLENGE mode: If you've got something obscure knocking about, post a picture, and let's see how we do. Please prefix such posts with "CHALLENGE:" so we know we've got a fighting chance.

founded 2 years ago

MODERATORS

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

9 comments fedilink hide all child comments

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

you are viewing a single comment's thread
view the rest of the comments

[–] [email protected] 6 points 1 week ago

If you look at the photo of a magic lantern here https://blog.scienceandmediamuseum.org.uk/christmas-magic-lantern-slides/

The front lens cap is very similar.