2 ms·
This is the best explanation of the innovation of Fresnel lenses I've come across: https://www.youtube.com/watch?v=VyQAg4j-7K4 https://www.youtube.com/watch?v=
by dmix 4y ago
This is the best explanation of the innovation of Fresnel lenses I've come across:
https://www.youtube.com/watch?v=VyQAg4j-7K4 https://www.youtube.com/watch?v=VyQAg4j-7K4