Canon Patents for A Series of Wide-angle Zoom RF Lenses

Canon has filed several new lens patents for RF mount wide-angle zoom lenses, you can take a look below:

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Patents: RF 70-200mm f/4L, RF 28mm f/1.8, RF 50mm f/1.8

There should be more affordable and non-L lenses in the Canon RF lens roadmap. USPTO has new patents for Canon RF 70-200mm f/4L Lens, RF 28mm f/1.8 Lens, and RF 50mm f/1.8 Lens.

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Patent: RF/EF 400mm f/4 DO, 600mm f/4 DO, 800mm f/5.6 DO Lenses

Canon recently has filed a new lens patent in Japan. This patent is for 400mm f/4 DO lens, 600mm f/4 DO lens, and 800mm f/5.6 lens. The patent didn’t mention whether this lens is EF mount or RF mount, but hi-lows-note said these lenses could be RF mount, and upcoming EOS R could have IBIS.

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Patents: RF 100-400mm f/3.5-5.6L IS, RF 70-300mm f/4-5.6 IS, RF 50-250mm f/4-5.6 IS

Canon has just filed more RF lens patents in Japan. Seems Canon is very serious on their new full frame mirrorless system. As already leaked online, Canon will announce at least 5 new RF lenses next week.
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