Canon Patent For A Bunch Of RF Mount f/1.8 Prime Lenses
And yet another Canon patent application dealing with RF mount lenses. Canon patent application 2020-0326505 (USA) discusses optical formula for a bunch of f/1.8 lenses for the EOS R. 105mm…
Canon Patent Shows RF Mount Zoom Lens That Could Be For An APS-C EOS R Camera
Interesting Canon patent application. Various zoom lenses for the EOS R system are discussed, with one being particularly interesting since it seems to point to an APS-C EOS R. Canon…
Canon Patent For Cooling Adapter For The RF Mount
Did Canon foresee the EOS R5/R6 overheating hysteria? A Canon patent suggests so. Canon patent application 2019-186871 (Japan) describes an adapter for the Canon RF mount which seems to have…
RF Mount Macro Lenses For The EOS R Might Be In The Works, Patents Suggest
I think it's just logic to expect that Canon will continuously release RF mount versions of most of the lenses currently existing for the EF mount. RF mount macro lenses…
Canon Patent For Various RF Mount Zoom Lenses
Canon patent application US20190369372 discusses optical formulas for various zoom lenses for the Canon EOS R system. Among the discussed optics in this Canon patent application is a 28-280mm f/2.8…
Canon Might Have A Video Camera With RF Mount On Their Agenda, Patent
Is Canon working on a video camera with RF mount? A patent suggest they might. Canon patent application 2019‑161567 (Japan) describes a compact video camera that looks like the Canon…
Canon Patent: 12-24mm f/2.8 And 14-20mm f/2 For RF-Mount
Here is a new Canon patent application, as usual for RF-mount lenses. Canon patent application 2024042622 (japan, published 3/28/2024) discusses optical formulas for two lenses for full frame mirrorless cameras…
Canon Patent: 20-120mm F4 And 18-100mm F4 For RF-S Mount
A new Canon patent application (well, not really new) for two lenses for the RF-S mount. Canon patent application 2023182926 (Japan, published 2023-12-27) discusses optical formulas for two RF-S mount…
Canon Patent: 11mm F2, 13mm F2, 22mm F2, And 30mm F2 Lenses For RF-S Mount
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…
Canon Patent: Head Mounted Display For Virtual Reality (RF 5.2mm f/2.8L)
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…
Canon Patent: RF-S 33mm f/1.8 And Other Lenses
Here is a new Canon patent application for a bunch of lenses, of which one might already have releases. Canon patent application 2024082112 (Japan, published 6/19/2024) discusses optical formulas for…
Canon Patent: RF-S 14-30mm f/4-6.3 And RF 20-50mm f/4-5.6
Here is a new Canon patent application, one for a RF-S and one for a RF lens. Canon patent application 2024072459 (Japan, 5/28/2024) discusses optical formulas for two RF-mount lenses:…
Canon Patent: RF-S 15-45mm F3.5-6.3 Lens For APS-C Imaging Sensors
And here is another Canon patent application for the RF-S mount. Canon patent 2023182958 (Japan, published 2023-12-27) discusses optical formulas for a lens for the RF-S mount, 15-45mm F3.5-6.3. From…
Canon Patent: Head Mounted Display For Photographic Information
A new Canon patent, and I am not sure I understood it entirely. Canon patent application 2023179231 (Japan, published 12/19/2023) discusses technology and methods for a "head mounted display" that…
Canon Patent: RF 70-200mm F2-2.8 DS, RF 70-135mm F2.5 DS, More Lenses
A new Canon patent application for RF mount lenses with "Defocus Smoothing" (DS) optical technology. More about Defocus Smoothing is listed here. Canon patent application 2023170260 (Japan, published 12/1/2023) discusses…
Canon Patent: RF 70mm F2, RF 70mm F2.8, RF 75mm F2.4, and RF 85mm F2.8
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…
Canon Patent: RF 100-300mm F2.8 Telephoto Zoom Lens
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…
Canon Patent: RF 24-300mm f/2.8-5.6 IS, RF 24-240mm f/2-5.6 IS And RF 40-350mm f/2.8-5.6 IS
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…
Canon Patent: RF 300mm f/2.8 IS And RF 400mm f/2.8 IS
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…
Canon Patent: RF 15mm f/2 And RF 12mm f/2.8 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:…