According to USPTO, Canon has just filed a series of f/1.8 RF mount prime lenses. You can take a look at below:
Tag: Patent
Canon RF 200-800mm f/6-8.5 Lens Patent
Canon has filed a new lens patent RF 200-800mm f/6-8.5 lens for Canon RF mount full frame mirrorless cameras. This lens patent has filed along with recently announced RF 100-500mm f/4.5-7.1L IS USM Lens(B&H Photo Video/Adorama/Amazon).
Patent: RF 120-700mm f/4.5-8 & RF 100-600mm f/4.5-7.1
Northlight Image has just uncovered a patent showing optical formulas for more super-telephoto zoom lenses (RF 120-700mm f/4.5-8 & RF 100-600mm f/4.5-7.1) for the RF mount mirrorless cameras. Since Canon will soon announce the RF 100-500mm f/4.5-7.1L IS USM lens, will these new super telephoto zoom lenses coming to real ? Stay tuned.
New Canon Patent: RF 70-300mm f/3.5-5.6 & RF 100-500mm f/5.6-6.4 Lenses
Canon Japan has filed a new lens patent for RF mount lenses: RF 70-300mm f/3.5-5.6 Lens & RF 100-500mm f/5.6-6.4 Lens.
Patent: Canon RF 8mm f/4 Fisheye Lens
Canon has just filed a new lens patent: RF 8mm f/4 Fisheye lens, this will be first fisheye lens for Canon RF mount.
New Canon Patents: RF 85mm f/1.8 & RF 100mm f/2.8 Lenses
Canon has just filed two new lens patents for Canon RF mount full frame mirrorless cameras. They are RF 85mm f/1.8 lens and RF 100mm f/2.8 lens. You can take a look at details below:
Patent: Canon RF 13-21mm f/2.8L Lens
Canon has filed a new lens patent for Canon EOS R full frame mirrorless cameras. The lens patent is RF 13-21mm f/2.8L lens. See the details below:
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.
Patent: Canon RF 24-100mm f/2.8L & 24-85mm f/2.8L Lenses
Canon has just filed two new RF lens patent for standard zoom lenses: RF 24-85mm f/2.8L and RF 24-100mm f/2.8L.
New RF Superzoom Lens Patents: RF 28-280mm f/2.8, RF 28-135mm f/4, RF 24-170mm f/4
Canon recently has registered several new RF mount superzoom lens patents, they are RF 28-280mm f/2.8, RF 28-135mm f/4, RF 24-170mm f/4. The RF 28-280mm f/2.8 lens should be a very large and heavy lens if it is real.