Massimo / @Rainmaker1973 (RSS Feed) on Nostr: How a "Lubor’s lens" works. This is a type of Fresnel lens that takes the light ...

How a "Lubor’s lens" works. This is a type of Fresnel lens that takes the light coming into it from the back at obtuse angles and projects it forward in the front of the lens

\[📹 NightHawkInLight\]



https://nitter.moomoo.me/Rainmaker1973/status/1728849719018000591#m