Patent: Canon patents RF 200mm f/2L IS, RF 300mm f/2.8L IS and RF 500mm f/4L IS optical formulas

Craig
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Canon is obviously working on RF mount versions of the legendary EF 200mm f/2L IS, EF 300mm f/2.8L IS and EF 500mm f/4L IS lenses. I expect the 300mm and 500mm lenses to be announced in late 2022 or in 2023. As for an RF 200mm f/2L IS, maybe further down the road as it's a pretty niche lens.

Canon RF 200mm f/2L IS USM

  • Focal length 200.00mm
  • F-number 2.06
  • Half angle of view 6.17°
  • Image height 21.64mm
  • Lens overall length 196.01mm
  • Back focus 38.50mm

Canon RF 300mm f/2.8L IS USM

  • Focal length 292.53mm
  • F-number 2.90
  • Half angle of view 4.23°
  • Image height 21.64mm
  • Lens overall length 273.92mm
  • Back focus 76.35mm

Canon RF 500mm f/4L IS USM

  • Focal length 489.05mm
  • F-number 4.12
  • Half angle of view 2.53°
  • Image height 21.64mm
  • Lens overall length 411.08mm
  • Back focus 100.00mm
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Craig is the founder and editorial director for Canon Rumors. He has been writing about all things Canon for more than 17 years. When he's not writing, you can find him shooting professional basketball and travelling the world looking for the next wildlife adventure. The Canon EOS R1 is his camera of choice.
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