Canon patented an impressive RF 120-700mm f/4.5-8 lens

Canon patent application 20200174234 (US) discusses optical formulas for two telephoto lenses for the RF mount: 100-600mm f/4.5-7.1 and 120-700mm f/4.5-8.

RF 100-600mm f/4.5-7.1:

• Focal Length: 103-00mm
• F-Number: 4.6-6.8
• Half Angle of View: 11.86° – 4.98° – 2.07°
• Image Height: 21.64mm
• Lens Length: 241mm-331mm
• Backfocus: 17mm-97mm

RF 120-700mm f/4.5-8:

• Focal Length: 123-700mm
• F-Number: 4.6-8.0
• Half Angle of View: 9.98° – 4.22° – 1.77°
• Image Height: 21.64mm
• Lens Length: 246mm-370mm
• Backfocus: 14mm-107mm

Source: CanonNews  Via: CanonWatch.