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Canon is Making Metalenses, Further Legitimizing the Technology
(petapixel.com)
This is a most excellent place for technology news and articles.
Is this currently limited by lens diameter? It seems it would be - so huge glasses would be more forgiving in this sense?
Mainly it's number of lenses.
High quality camera lenses have like 10-20 lenses, while glasses have ... 1
Sir, that's called a monocle.