Get Latest Canon Camera, Lens, Accessories News
New Canon Patent applications filed for a set of RF mount lenses. These new lenses are the Canon RF-S 15-70mm f/4 and RF-S 15-85mm f/2.8-4.
We could see the RF-S 15-85mm f/2.8-4 IS USM being the likeliest product to come from these optical formulas. Stay tuned for more info. Continue reading “New Patent: Canon RF-S 15-70mm f/4 and RF-S 15-85mm f/2.8-4”
Canon has filed a new patent application for two RF-mount telephoto lenses with extender: 200-400mm F4 x 1.4 and 200-500mm F4 x 1.4. lenses. Designed for Canon RF-mount full-frame mirrorless cameras, Canon patent application P2022185663 (Japan, published 12/15/2022) discusses optical formulas for two RF-mount telephoto lenses with 1.4 extender, the RF 200-400mm F4 x 1.4 and RF 200-500mm F4 x 1.4. Continue reading “Canon Patent: 200-400mm F4 x 1.4 & 200-500mm F4 x 1.4 Lenses”
Canon has filed several new compact and lightweight zoom lens patents for RF 70-300mm f/4.5-7.2, RF 100-350mm f/5-8, RF 250-600mm f/6.3-11 lenses that are designed for Canon RF-mount full-frame mirrorless cameras.
[Publication number] JP-A-2022-178447
[Publication date] 2022.12.2
[Patent application title] Zoom lens and imaging device having the same
From the patent literature:
A zoom lens is provided which is compact and lightweight and capable of achieving high optical performance over the entire zoom range and all object distances.
More details of the new Canon Patents for full-frame mirrorless cameras can be found below. Continue reading “Canon RF Patents: 70-300mm F4.5-7.2, 100-350mm F5-8 & 250-600mm F6.3-11”
A new Canon patent that is describing 28-70mm f/2.8 lens surfaced online. Designed for Canon RF-mount full-frame mirrorless cameras it seems to be a patent on the optical system of the large-aperture zoom lens “28-70mm F2.8” that are likely to adopt a retractable structure.
[Publication number] P2022147945
[Publication date] October 6, 2022
[Patent application title] Zoom lens and imaging device
From the patent literature:
A zoom lens is provided which is compact and lightweight and capable of achieving high optical performance over the entire zoom range and all object distances.
More details of the new Canon Patents for full-frame mirrorless cameras can be found below.
Continue reading “New Patent for Canon RF 28-70mm f/2.8 Lens”
Canon filed new RF-mount lens patents for 300mm F2.8 1.4x, 400mm F2.8 1.4x, 600mm F4 1.4x with built-in teleconverters.
[Publication number] P2022142979
[Publication date] October 3, 2022
[Patent application title] Optical system, lens device, imaging device
More details of the new Canon Patents for full-frame mirrorless cameras can be found below.
New Canon Patent applications discusses optical formulas for three RF mount lenses. These lenses are 20mm f/1.8, 28mm f/1.8 and 24mm f/1.8 with backlight control.
From the patent literature: Continue reading “New Canon Patents for 20mm f/1.8, 28mm f/1.8 and 24mm f/1.8 Lenses”
New Canon Patent applications filed for a set of RF mount lenses. These new lenses are the Canon RF 28-70mm f/2.8 & 28-60mm f/2.8.
Canon patent application 2022091621 (Japan) discusses optical formulas for two small and compact zoom lenses with large aperture:
Example 1
Example 2
New Canon Patent applications filed for a set of RF mount lenses with electronically controlled Defocus Smoothing (DS).
Defocus Smoothing is a technology Canon first introduced with the RF 85mm f/1.2L DS lens. The featured Canon patent might suggest more DS lenses are on their way.
Canon patent application 2020-199390 (Japan) discusses optical formulas and methods for three prime lenses with DS:
Continue reading “Canon Patent: 135mm f/2, 400mm f/4 and 50mm f/2.5 defocus smoothing”
New Canon Patents filed for several new RF mount lens models. The patent application describes the RF 11-24mm f/4L USM wide-angle and RF 8-24mm f/4L USM fisheye lenses for Canon full-frame mirrorless cameras.
The first lens is similar as previous rumored RF 10-24mm f/4L USM lens, which is in the RF lens roadmap for a long time. The second lens is a zoom fisheye lens, this lens will work as a circular fisheye on a full-frame sensor and as a “normal” fisheye on the crop sensors found in the Canon EOS R7 and Canon EOS R10. Continue reading “New Canon Patents for RF 11-24mm f/4L and RF 8-24mm f/4L Fisheye Lenses”
Here are several new Canon Patents but this time for tilt-shift lenses with reduced composition shift. Canon has filed several new RF mount lens patents for 35mm f/2.8, 85mm f/2.8, 130mm f/4 and 220mm f/4 Tilt-shift.
A new Canon patent application discusses optical formulas and methods for tilt-shift lenses with reduced composition shift.
From the patent literature: Continue reading “Canon Patents for 35mm f/2.8, 85mm f/2.8, 130mm f/4 and 220mm f/4 Tilt-shift”
