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.
Canon Japan has just filed a new patent “in body image stabilization system for Canon image sensor”. As we already know, the recently released Canon EOS R (B&H/Amazon/Adorama/Focus Camera/WEX/ParkCamera) has no IBIS, maybe we will see IBIS in next Canon EOS R model (EOS R Pro), Canon manager also said we may see IBIS in next Canon EOS R.