Canon RF 80-240mm f/3.5 Lens Patent for RF-mount

Here is another Canon patent application for RF-mount lenses. This patent describes the RF 80-240mm f/3.5 lens which will be a telephoto zoom lens for EOS R system.

Just like the , if goes in mass production, this will be identical to the  Sigma 60-600mm f/4.5-6.3. Let’s see if we see it in production. Till then see below the patent details for the 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

via asobinet

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