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Plum@lemmy.world

Fresnel lens (en.m.wikipedia.org)

submitted 6 months ago by Plum@lemmy.world to c/wikipedia@lemmy.world

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[–] reddig33@lemmy.world 2 points 6 months ago (1 children)

I wish the article had an illustration explaining why it works. Like maybe some arrows drawing the path of light in a normal lens compared to a fresnel.

[–] BenM2023@lemmy.world 8 points 6 months ago

here is a better article. With light paths and why the lens works.