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Canon Patent: Telephoto Lenses For The EOS R System (100-600mm & 120-700mm)

Canon Patent

And yet another Canon patent dealing with lenses for the Canon EOS R full frame mirrorless system.

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

More Canon patent applications are listed here. Some particularly interesting patent applications we think might get into production are these:

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