A new Canon patent application for RF mount lenses with "Defocus Smoothing" (DO) optical technology. More about Defocus Smoothing is listed here. Canon patent application 2023170260 (Japan, published 12/1/2023) discusses…
A new Canon patent application for relatively fast prime lenses. Canon patent application 2023149130 (Japan, published 10/12/2023) discusses optical formulas for prime lenses for the RF mount: RF 70mm F2…
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…
Here is a new Canon patent application, yet for another RF mount lens. A rather interesting one, although it refers to ab already released lens: the Canon RF 100-300mm f/2.8L…
And another Canon patent for lenses for the RF mount. Canon patent application 2023104137 (Japan, published 7/28/2023) discusses optical formulas for three zoom lenses for the RF mount: RF 24-300mm…
And yet another Canon patent application: two telephoto fast primes for the RF mount. Canon patent application 2023104022 (Japan, published 7/28/2023) discusses optical formulas for two fast telephoto prime lenses…
And here is another Canon patent application, for two RF mount lenses. Canon patent application 023104029 (Japan, 7/28/2023) discusses optical formulas for two fast prime lenses for the RF mount:…
And yet another Canon patent application for an RF-mount lens. Canon patent application 2023099390 (Japan, published 7/13/2023) discusses optical formulas for what appears to be an RF 135mm f/1.8L IS…
A new Canon patent application was spotted. Canon patent application 2023099388 (Japan, published 7/13/2023) discusses optical formulas for what appears to be an RF 100-300mm f/2.8L IS USM lens for…
Another Canon patent application that was published yesterday. Canon patent application 2023099389 (Japan, published 7/13/2023) discusses optical formulas and methods for two ultra wide zoom lenses. From the patent literature:…
And here we have another Canon patent published today. Canon patent application 2023099385 (Japan, published 7/13/2023) discusses optical formulas for a RF 200mm f/2 IS lens. From the patent literature:…
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…
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