The First Canon RF Mount Super Telephoto Lens Could be a DO Lens
Canon is allegedly working on several new RF mount lenses and the first Canon super telephoto lens for RF mount will be a diffractive optics (DO) lens. The focal length of the first Canon RF mount super telephoto lens is still unknown, but it is expected to be 500mm, which is a good start for Canon EOS R mirrorless system. […]
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