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Canon Patent: RF 150-600mm f/8-11 Zoom Lens For EOS R System

Canon Patent
Drawing from the patent literature

A new Canon patent, for a RF 150-600mm f/8-11 zoom lens.

Canon patent application 2022106401 (Japan) discusses optical formulas for a 150-600mm f/8-11 zoom lens for the RF mount.

PROBLEM TO BE SOLVED: To provide a compact and lightweight zoom lens having high optical performance in the entire zoom range.

Example 1

  • Focal length: 103.00-387.89
  • F value: 5.82-8.24
  • Half angle of view: 11.86-3.19
  • Image height: 21.64
  • Overall length: 183.21-258.38
  • Back focus: 39.88-81.93

Example 2

  • Focal length: 153.00-581.90
  • F value: 8.00-11.31
  • Half angle of view: 8.05-2.13
  • Image height: 21.64
  • Overall length: 274.81-354.89
  • Back focus: 68.40-126.51

More Canon patent applications are listed here. Some particularly interesting patent applications we think might get into production are these:

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