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Canon Patent: 19mm f/2.8 Lens For Full Frame Mirrorless Camera Systems

Canon Patent
Drawing from the patent literature

Here is another Canon patent for an RF mount lens. And again it is for a lens for the RF mount.

Canon patent application P2021-67826A (Japan) discusses optical formulas for a 19mm f/2.8 lens or a full frame mirrorless camera, the EOS R. The patent was spotted by Hi Lows Note.

Embodiment 1

  • Focal length: 19.50 mm
  • F number: 2.88
  • Half angle of view (degree): 47.99
  • Image Height: 21.65 mm
  • Lens length: 96.33 mm
  • Back focus: 18.34 mm

Embodiment 5

  • Focal length: 19.29 mm
  • F number: 2.86
  • Half angle of view (degree): 48.30
  • Image Height: 21.65 mm
  • Lens length: 96.59 mm
  • Back focus: 18.43 mm

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