And here we have another Canon patent application published today. Canon patent application 2023099391 (Japan, published 7/13/2023) discusses optical formulas and methods for an RF 20-60mm f/4.5-6.3 lens for the…
Here is a new Canon patent, the first of four that have been published today. Canon patent application 2023099386 (Japan, published 7/13/2023) discusses optical formulas for a bunch of fast…
After a long time, here is a new Canon patent application. Canon patent application 2023066202 (Japan, published 5/15/2023) discusses optical formulas for a RF-S 10-14mm F3.5-4 lens, i.e. a lens…
A new Canon patent application for another RF mount lens. Canon patent application 2023018429 (Japan, published 2/8/2023) discusses optical formulas for an RF 100-300mm F2.8 x 1.4 extender lens. From…
A new Canon patent, and as almost all Canon patents of the last two or three years it is for RF mount lenses. Canon patent 2023005851 (Japan, published 1/18/2023) discusses…
A new Canon patent application for two RF-mount telephoto lenses with extender: 200-400mm F4 x 1.4 and 200-500mm F4 x 1.4. Canon patent application P2022185663 (Japan, published 12/15/2022) discusses optical…
A new Canon patent, and once more more for RF mount lenses (what else?). Canon patent application 2022178447 (Japan, published 12/2/2022) discusses optical formulas for two zoom lenses for the…
And here is another Canon patent application for two RF-mount lenses with Defocus Smoothing technology. Canon patent application 2022175307 (Japan, published 11/25/2022) discusses optical formulas for two RF-mount lenses with…
A new Canon patent application for a RF 24-120mm f/2.8 IS and RF 85mm f/1.4 IS lenses. Canon patent application 2022175604 (Japan, published 11/25/2022) discusses optical formulas for two RF…
Rather interesting Canon patent for a 28-70mm f/2.8 lens that becomes shorter when zoomed to the telephoto end, i.e. it retracts. Canon patent 2022147945 (Japan, published 10/6/2022) discusses a rather…
Here is a Canon patent application for a lens that might hit the shelves, sooner or later: RF 16-28mm. Canon patent application 2022112179 (Japan) discusses optical formulas for an RF…
A new Canon patent, for a RF 150-600mm f/8-11 zoom lens. Canon patent application 2022106401 (Japan) discusses optical formulas for a 150-600mm f/8-11 zoom lens for the RF mount. PROBLEM…
A new and rather interesting Canon patent application. Very compact zoom lenses with large aperture. Canon patent application 2022091621 (Japan) discusses optical formulas for two small and compact zoom lenses…
A new week, a new Canon patent application. More lenses for the RF mount and one already released lens. Canon patent application 2020-199535 (Japan) seems to describe the optical formula…
A new Canon patent application surfaced. It's for RF lenses, as most of the recent Canon patents for lenses are. Canon patent application 20220171174 (USA) discusses optical formulas for a…
Canon patent application for some telephoto zooms, for the EOS R system I guess. Canon patent application 2020196094 (Japan) discusses optical formulas for three telephoto zoom lenses: 200mm f/2300mm f/2.8500mm…
Here is a new Canon patent application, and it is a rather interesting one. Canon patent application P2022065383 (Japan) discusses optical formulas for a RF 9-18mm f/4 wide angle zoom…
A new Canon patent, once again for RF mount lenses. Some interesting lenses, we might add. Canon patent application 2022063727 (Japan) discusses optical formulas for three RF mount lenses: RF…
A new Canon patent application for RF mount super telephoto lenses. Canon patent application 2022-53697 (Japan) discusses optical formulas for three super telephoto lenses, all for the RF mount: 60-600mm…
Here is a new Canon patent. A RF 130mm f/2 lens for the EOS R full frame mirrorless system. Canon patent application 2022-043436 (Japan) discusses optical formulas for a RF…
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