4 ms·
> freznell Fresnel[1]? [1]: https://en.wikipedia.org/wiki/Fresnel_lens https://en.wikipedia.org/wiki/Fresnel_lens
by genpfault 1y ago
> freznell
Fresnel[1]?
[1]: https://en.wikipedia.org/wiki/Fresnel_lens https://en.wikipedia.org/wiki/Fresnel_lens