• # #CDFriday by @fox.aurora.radio.fm · 19 likes The joy of CD Friday - sharing the love of recorded music on Compact Disc, SACD, DVD-A, and other 120mm optical polycarbonate disc formats
• O Optical Printers by @handle.invalid · 1 likes I'm just fascinated with Optical Printers. And I just want a place to read about them and their use.
• C Cassette Beasts by @gausscone.bsky.social · 7 likes Consider: Optical Beasts! Hard Beasts. Floppy Beasts? Is this anything?
• _retinal database by @manedwuff.com · 5 likes [ optical cache ]
• Ocean-Lake-Optics by @ioccg.bsky.social · 0 likes A feed for optical remote sensing 🛰️🌏 and in situ radiometry in aquatic environments. Use any of these hashtags to be included: #oceanoptics #lakeoptics #marineoptics #aquaticoptics #freshwateroptics #coastoptics