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Two New Canon Patents for Telephoto Zoom Lenses

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Two new Canon patent applications surfaced. These lenses are and .

If goes in mass production, these telephoto zoom lenses will be identical to the  Sigma 60-600mm f/4.5-6.3.

You can see the Canon patent applications for RF-mount lenses below. .

Canon RF 80-240mm f/3.5 Lens

Example 1

  • Focal length: 72.00-194.00
  • F value: 2.92
  • Half angle of view: 16.72-6.36
  • Image height: 21.64
  • Overall length: 185.00-255.23
  • Back focus: 16.68-70.96

Example 2

  • Focal length: 72.00-194.00
  • F value: 3.5
  • Half angle of view: 16.72-6.36
  • Image height: 21.64
  • Overall length: 185.00-255.16
  • Back focus: 15.63-65.11

Example 3

  • Focal length: 80.29-232.85
  • F value: 3.5
  • Half angle of view: 15.08-5.31
  • Image height: 21.64
  • Overall length: 222.75-325.37
  • Back focus: 11.49-64.12

Canon RF 30-600mm f/4-8 Lens

  • Focal length: 30.50-585.00
  • F value: 4.00-8.00
  • Half angle of view: 35.35-2.12
  • Image height: 21.64
  • Overall length: 309.33-489.09
  • Back focus: 29.33-102.45

Complete List of Canon RF Lenses | Updated Canon RF Lens Roadmap for 2021

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