Patents: Canon RF 120-700mm f/4.5-8 & RF 100-600mm f/4.5-7.1 Lenses

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It seems that Canon is working hard on some super-telephoto zoom lenses for the Canon RF mount mirrorless cameras (Canon EOS R and Canon EOS RP). Northlight has uncovered a patent showing optical formulas for RF 120-700mm f/4.5-8 lens and RF 100-600mm f/4.5-7.1 lens.

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

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

In addition, the new Canon RF 100-500mm f/4.5-7.1L IS USM Lens is already listed at B&H, Adorama. And it is expected to be officially announced soon, maybe along with the Canon EOS R5 and Canon EOS R6.

Read more: Best Lenses for Canon EOS R and Best Lenses for Canon EOS RP.

Stay tuned with us for more Canon Rumors.