Canon Patent Application: Diffractive Optical Element

In this patent application (2024-135951) Canon is discussing how to improve the manufacturing of a diffractive optical element of a curious nature. Canon hopes to improve the method of manufacturing the element including preventing cracks from forming during the curing stage of creating the element, which can be especially difficult given this shape the element [...] Source...

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Published By: Canonrumors - Monday, 7 October

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• Patent Application: Super Telephoto Primes Canonrumors (Yesterday) - In this patent application (2024-163673), Canon is exploring some lesser-quality super telephoto primes. Could be good news for us peons that don't want to drop 5 digits on a super-telephoto prime. The designs seem interesting, yet simplistic, so I wouldn't necessarily expect these lenses to cost that much. Canon RF...