Canon Patent Application: Super Ultra Wide Full Frame lenses

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Jul 20, 2010
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In this patent application (2024-023099) Canon describes quite a few different full-frame super ultra-wide zoom lenses. Now with Canon just having released the pretty incredible Canon RF 10-20mm f/4 L IS STM, this is probably some of Canon’s prior research that happened with that lens. Canon in their own patent-ish words; An object of the

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