Canon patents optical formula for an RF 200-500mm f/4L IS 1.4x

One of the more popular “big white lenses” from Canon was the EF 200-400mm f/4L IS 1. 4x. It was never a reach to assume Canon would make an RF follow-up to that lens. It also shouldn't surprise anyone that Canon would do a redesign of the lens instead of a simply modifying the existing design [.

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2022-12-17 11:59