Here is a new Canon patent application, for a bunch of fast primes for the RF-S mount. Canon patent application P2023130885 (Japan, published 9/21/2023) discusses optical formulas for RF-S mount…
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 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…
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…
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…
A new Canon patent application. Three fast primes are discussed, all seem to have Defocus Smoothing on board. Defocus Smoothing is an optical technology introduced first on the RF 85mm…
And yet another Canon patent application for a bunch of fast prime lenses for the RF mount, i.e. for the EOS R full frame mirrorless camera system. Canon patent application…
Here is a new Canon patent application. As so often lately, this one too refers to an RF mount lens. Canon patent application 2021-193435 (Japan) discusses optical formulas for what…
And yet another Canon patent application for RF mount lenses. This time we have a 14mm f/1.8 and a 20mm f/1.4. Canon patent application 2021-184030 (Japan) discusses optical designs for…
And yet another Canon patent application for lenses for the RF mount (EOS R). Canon patent application 2021-179550A (Japan, spotted by Hi Lows Note) discusses optical formulas for a 28-70mm…
A new Canon patent application for an RF mount lens. The interesting fact here: it seems to be be made for a camera with APS-C sensor. Is the EOS R…
Today Canon announced the RF 5.2mm f/2.8L dual fisheye lens for VR. Here is a Canon patent for a head mounted display for VR applications. Various Canon patent applications that…
And yet another Canon patent for RF-mount lenses spotted by asobinet.com. An RF 27mm f/1.4 and an RF 35mm f/1.4. From the patent abstract: In recent years, image pickup devices…
And here is a new Canon patent application for lenses for the RF mount: 22mm, 24mm, 33mm, 35mm, and all are f/1.4. Canon patent application 2021-113905A (spotted by High Lows…
Here is an interesting Canon patent application spotted by asobinet.com. The Canon patent application seems to discuss optical formulas for various zoom lenses for the RF mount, and for APS-C…
And here is another Canon patent for an RF mount lens. Spotted by Hi Lows Note, Canon patent application 2021-81531A (Japan) discusses optical formulas for a 83mm f/1.4 lens for…
And here is yet another Canon patent discussing optical formulas for lenses for the EOS R full frame mirrorless system. Canon patent application P2021-71624A (Japan) discusses optical designs for a…
And here is another Canon patent application for telephoto zoom RF mount lenses. No doubt left that Canon is heavily investing in the EOS R full frame mirrorless system. Canon…
A new Canon patent application for a bunch of fast prime lenses for the Canon EOS R full frame mirrorless system. Canon patent application P2021-39304A (Japan) discusses optical formulas for…
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