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We've been bad about recording video, I admit it. A few people have put together some videos from past SELEMs, however. Here are some links: https://www.youtube.com/watch?v=VupBooxluBw https://www.youtube.com/watch?v=uSxR2TVxVbU https://www.youtube.com/watch?v=jPJzctwHmLo...

Honestly, Edmunds was going to be my suggestion, but yeah - they're prices have gone up quite a bit post-covid. You might want to do some experimenting with the dichros you already have, though, to see if you can make it work. So long as the cut-off wavelength is far enough from whatever...

If you still have the platters from that drive, you can make a cool (and very nerdy) clock with one: take it to an engraver and have them etch the standard clock face numbers around the outer edge. Then install a battery-powered clock mechanism on the back (Amazon sells these for less than 10...

Thanks for sharing, Steve.