Patent: RF 120-700mm f/4.5-8 & RF 100-600mm f/4.5-7.1

Northlight Image has just uncovered a patent showing optical formulas for more super-telephoto zoom lenses (RF 120-700mm f/4.5-8 & RF 100-600mm f/4.5-7.1) for the RF mount mirrorless cameras. Since Canon will soon announce the RF 100-500mm f/4.5-7.1L IS USM lens, will these new super telephoto zoom lenses coming to real ? Stay tuned.

Canon RF 100-600mm f/4.5-7.1

• Focal Length: 103mm – 248mm – 600mm
• F-Number: 4.6 – 5.8 – 6.8
• Half Angle of View: 11.86° – 4.98° – 2.07°
• Image Height: 21.64mm – 21.64mm – 21.64mm
• Lens Length: 241mm – 305mm – 331mm
• Backfocus: 17mm – 37mm – 97mm

Canon RF 120-700mm f/4.5-8

• Focal Length: 123mm – 293mm – 700mm
• F-Number: 4.6 – 5.8 – 8.0
• Half Angle of View: 9.98° – 4.22° – 1.77°
• Image Height: 21.64mm – 21.64mm – 21.64mm
• Lens Length: 246mm – 322mm – 370mm
• Backfocus: 14mm – 44mm – 107mm

via: NL