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Half ball lens

透镜
August 01, 2020
Catégorie Connexion: double lentille convexe
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A hemispherical lens has a very short focal length,but also a very large aberration.
So it is often used for energy convergence, not for imaging systems.
Les étiquettes:
#lentille optique faite sur commande #double miroir convexe #deux lentilles convexes
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