Patents: RF 70-200mm f/4L, RF 28mm f/1.8, RF 50mm f/1.8

There should be more affordable and non-L lenses in the Canon RF lens roadmap. USPTO has new patents for Canon RF 70-200mm f/4L Lens, RF 28mm f/1.8 Lens, and RF 50mm f/1.8 Lens.

Canon RF 70-200mm f/4L:

  • Focal Length: 72.20mm 130.45mm 194.20mm
  • F-Number: 4.00 3.95 4.00
  • Angle of View: 16.68° 9.42° 6.36°
  • Image Height: 21.64mm 21.64mm 21.64mm
  • Total Lens Length: 215.54mm 215.54mm 215.54mm
  • BF: 25.98mm 25.98mm 25.98mm

Canon RF 28mm f/1.8

  • Focal length: 28.80mm
  • F-number: 1.85
  • Half angle of view: 36.91°
  • Image height: 21.64mm
  • Total lens length: 80.30mm
  • BF: 7.00mm

Canon RF 50mm f/1.8

  • Focal length: 48.50mm
  • F-number: 1.85
  • Half angle of view: 24.04°
  • Image height: 21.64mm
  • Total lens length: 95.00mm
  • BF: 15.80mm