Wikipedia@lemmy.worldEnglish · 4 months ago

Fresnel lens

en.wikipedia.org

Fresnel lens

en.wikipedia.org

dantheclamman@lemmy.worldM to

Wikipedia@lemmy.worldEnglish · 4 months ago

Fresnel lens - Wikipedia

en.wikipedia.org

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pelletbucket@lemm.ee
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4 months ago
it is not.

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