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

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Canon has filed three new patents for RF 70-200mm f/4L, RF 28mm f/1.8 USM Lens and RF 50mm f/1.8 IS STM Lens, which are designed for Canon full frame mirrorless camera. Take a look at the patent details below:

Canon RF 70-200mm f/4L Lens

  • 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 Lens

  • 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 Lens

  • 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

Canon EOS R body: $2,299 at Amazon, B&H, Adorama.

$200 off on Canon EOS R with 24-105mm Lens: $3,199 at Amazon, B&H, Adorama

Canon EOS RP: $1,299 at Amazon, B&H, Adorama

$200 off on Canon EOS RP with 24-105mm Lens: $2,199 at Amazon, B&H, Adorama

Via: USPTO