Patents: Canon RF 28-70mm f/2.8 & 24-70mm f/2.8 Lenses
Canon filed a patent describing 28-70mm f/2.8 and RF 24-70mm f/2.8 Lenses for Canon full-frame mirrorless cameras. It seems to be a patent on the optical system of the large-aperture zoom lenses “28-70mm F2.8” and “24-70mm 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
Example 1
- Focal length: 28.84-67.90
- F-value: 2.91
- Half angle of view: 32.65-17.67
- Image height: 18.48-21.64
- Overall length: 149.46-115.94
- Back focus: 13.48-27.78
Example 3
- Focal length: 24.72-67.90
- F-value: 2.91
- Half angle of view: 35.02-17.67
- Image height: 17.32-21.64
- Overall length: 150.00-130.39
- Back focus: 9.87-27.17
Example 5
- Focal length: 28.84-67.90
- F-value: 2.91
- Half angle of view: 34.77-17.67
- Image height: 20.02-21.64
- Overall length: 152.61-120.01
- Back focus: 22.71-41.28
Reminder: UP TO $400 OFF ON SELECT CANON RF LENSES
Stay tuned with us for moreĀ Canon Rumors.
Read more:
- Best Canon RF Lenses
- Best Memory Cards for Canon EOS R7
- Best Memory Cards for Canon EOS R10
- Best Lenses for Canon EOS R3
- Best Memory Cards for Canon EOS R3
- Best Lenses for Canon EOS R5
- Best Memory Cards for Canon EOS R5
- Best Lenses for Canon EOS R6
- Best Memory Cards for Canon EOS R6