Quote:
Originally Posted by bojan
Alex just reminded me - some time ago I bought those from ebay.
Basically, this is pair of Galliean telescopes (or opera glass).. They are a bit fiddly to adjust (colimate), but they are great because the working distance is ~30-50cm.
I am using them when I work with lathe, to see what tool is doing without getting to close.
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That is a respectable set, Bojan! Nice!