Two new Canon RF lens patents now shown up at USPTO. One is already released Canon RF 24-105mm f/4L IS USM Lens, the other could be an upcoming RF lens as EOS R Kit lens: RF 24-80mm f/4L IS USM.
The size of RF 24-80mm f/4L IS USM lens patent is a bit smaller than RF 24-105mm f/4L IS USM Lens.
Japan Patent Application 2019-012243
Canon RF 24-80mm f/4L IS
- Focal length 24.72 48.09 82.45
- F number 4.12 4.12 4.12
- Half angle of view 41.19 24.22 14.70
- Image height 21.64 21.64 21.64
- Lens overall length 119.50 134.52 149.55
- BF 13.50 18.71 22.73
Canon RF 24-105mm f/4L IS
- Focal distance 24.72 63.46 131.00
- F number 4.12 4.12 4.12
- half field angle (degree) — 41.19 18.83 9.38
- Image height 21.64 21.64 21.64
- length of the lens 137.50 168.92 200.33
- BF 13.50 24.03 28.27
via: CR