Canon RF 13-21mm f/2.8L USM Lens Patent

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Canon has filed a new lens patent for the RF 13-21mm f/2.8L USM Lens for Canon EOS R full frame mirrorless camera.

Take a look at the patent details below by Google.:

[Publication number] JP 2020-30251 (P2020-30251A)
[Publication date] February 27, 2020
[Patent application title] Zoom lens and imaging apparatus using the same

  • Zoom ratio: 1.58
  • Focal length: 13.40mm  17.30mm  21.20mm
  • F number: 2.88 2.88 2.88
  • Half angle of view: 58.23 51.35 45.58
  • Image height: 21.64mm  21.64mm  21.64mm
  • Lens length: 150.15mm  136.89mm  130.04mm
  • Back focus: 20.96mm  25.13mm  29.31mm

Read more: Best Lenses for Canon EOS R & Best Memory Cards for Canon EOS R

Via: J-Platpat