Canon RF 70-200mm f/4L USM Lens

Patent: Canon RF 70-200mm f/4L Internal Zoom Lens

Canon has already released their first RF mount internal zoom lens: RF 70-200mm f/2.8L IS USM Lens (B&H Photo Video/Adorama/Amazon). This lens turns out one of the best selling lenses currently. According to latest Canon Japan patent, Canon may also announce a new RF 70-200mm f/4L internal zoom lens.

Continue reading “Patent: Canon RF 70-200mm f/4L Internal Zoom Lens”

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.

Continue reading “Patents: RF 70-200mm f/4L, RF 28mm f/1.8, RF 50mm f/1.8”