Patent: Canon RF 24-80mm f/4L IS USM Lens
Canon has filed a new patents for RF 24-80mm f/4L IS USM Lens, which are designed for Canon full frame mirrorless camera. One of the optical formulas in this parent is for an Canon RF 24-105 f/4L IS USM. Take a look at the patent details below:
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
Canon EOS R body: $2,299 at Amazon, B&H, Adorama.
Canon Mount Adapter EF-EOS R: $99 at Amazon, B&H, Adorama.
Canon EOS R on Facebook: Canon EOS R Page, Canon EOS R Group
