Canon has filed a new lens patent for EF 10mm f/2.8L USM full frame lens.
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.
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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Canon has filed a new RF lens patent in Japan: RF 90mm f/2.8L IS Macro Lens.
Canon has filed a new lens patent for upcoming Canon RF lenses. This new lens is RF 24-70mm f/4L IS USM lens. This lens will likely be a new kit lens for Canon EOS R full frame mirrorless cameras. See the detail below:
Canon recently has filed two new diffractive optics lenses in Japan. These two lenses are 300mm f/2.8 DO & 400mm f/2.8 DO. According to patents, these two lenses are probably RF mount lenses. We may see these lenses announced in 2020 with EOS R verison EOS-1D X Mark II.
Sigma recently has filed a new lens patent in Japan: Sigma 12mm f/2.8 full frame lens.