Canon has filed a new lens patent RF 200-800mm f/6-8.5 lens for Canon RF mount full frame mirrorless cameras. This lens patent has filed along with recently announced RF 100-500mm f/4.5-7.1L IS USM Lens(B&H Photo Video/Adorama/Amazon).
Embodiment 4: 200-800mm F6-8.5
Focal length: 199.97 399.99 784.76 mm
F number: 6.00 6.80 8.50
Half angle of view: 6.17 3.10 1.58
Image height: 21.64 21.64 21.64 mm
Lens length: 285.44 355.65 385.65 mm
Back focus: 22.57 43.72 83.86 mm
via: HLN