Canon has filed a new lens patent for upcoming Canon RF lenses. This new lens is RF 24-70mm f/4L IS USM lens. This lens will likely be a new kit lens for Canon EOS R full frame mirrorless cameras. See the detail below:
Canon RF 24-70mm f/4L IS USM:
Focal Length: 24.71 – 39.93 – 67.99
F-number: 4.12 – 4.12 – 4.12
Half Angle of Field: 41.20 – 28.45 – 17.65
Image Height: 21.64 – 21.64 – 21.64
Overall Lens Length: 99.36 – 108.69- 132.25
BF: 13.50 – 24.36 – 42.60
via: USPTO