Canon Patent: RF-S 10-14mm F3.5-4 Lens For APS-C
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…
Canon Patent: RF 100-300mm F2.8 x 1.4 Extender 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…
Canon Patent: RF 70-300mm f/4.5-7.2 & RF 250-600mm f/6.3-11
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…
Canon Patent: RF 18-35mm f/1.8 DS & RF 120-300mm f/2.8 DS (Defocus Smoothing)
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…
Canon Patent: RF 24-120mm f/2.8 IS & RF 85mm f/1.4 IS
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…
Canon Patent: RF 28-70mm f/2.8 Lens That Retracts When Zooming
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…
Canon Patent: RF 16-28mm Lens That Might Be f/2.8 or f/2.8-4 or f/4
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…
Canon Patent: RF 150-600mm f/8-11 Zoom Lens For EOS R System
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…
Canon Patent: 11-24mm f/4 IS, 12-24mm f/2.8 IS, And Already Released RF 14-35mm f/4L IS
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…
Canon Patent: RF 11-24mm f/4L & RF 8-24mm f/4L Fisheye
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: RF 9-18mm f/4 Wide Angle Zoom For EOS R System
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…
Canon Patent: RF 16-28mm f/2.8, RF 15-28mm f/2.8-4 and RF 15-28mm f/4-5.6 IS
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…
Canon Patent: Shift-compatible Mount Adapter Supporting Electronic Contacts
Here is a new Canon patent application: shift-compatible mount adapter with support for electronic contacts. Canon patent application P2022052536 (Japan) discusses the technology to implement a shift-compatible mount adapter with…
Canon Patent: Drone Camera Pan/tilt Assembly And Mount
Here is a somewhat different Canon patent application. A drone camera pan/tilt assembly. Canon patent application 2022-046746 discusses methods and technology for a drone camera assembly. [Problem] To provide an…
Canon Patent: RF 130mm f/2 Lens For The EOS R System
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…
Canon Patent: RF 80-240mm f/3.5 Zoom Lens For EOS R System
Here is another Canon patent application. This one is for a RF 80-240mm f/3.5 zoom lens. This is not the first patent we feature today. Canon patent application 2022-29115 (Japan)…
Canon Patent: RF 30-600mm f/4-8 Zoom Lens For The EOS R System
Another day, another Canon patent for an RF lens . Canon patent application 2022-29145 (Japan) discusses optical formulas for a RF 30-600mm f/4-8 überzoom lens. PROBLEM TO BE SOLVED: To…
Canon Patent: Underwater Attachment Optic For Better Performance
Very interesting Canon patent application. If I got it right, it is for a sort of underwater attachment optic you can mount on a telephoto lens. The optical system should…
Canon Patent: RF 20mm f/1.8, RF 24mm f/1.8, RF 28mm f/1.8 Lenses
A new Canon patent application, once more for RF mount lenses. Canon patent application 2022-20096 (Japan) discusses optical formulas for a bunch of RF mount lenses: RF 20mm f/1.8, RF…
Canon Patent: RF-S 16-55mm f/2.8 & RF 28-70mm f/2.8 Lenses
A new Canon patent application suggests there might be some truth to the rumor about an EOS R model with APS-C sensor. Canon patent application 2022-18006 (Japan) discusses optical formulas…