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Canon Patent For Various Small/Pancake Prime Lenses For EOS R

Canon Patent For Various Small/Pancake Prime Lenses For EOS R

Just small or pancake prime lenses? We are not sure. We are just sure they are small and for the Canon EOS R full frame mirrorless system.

Canon patent application 2019-152683 discusses optical formulas for the following (small) prime lenses:

  • Canon RF 20mm F/2.0
  • Canon RF 35mm F/2.8
  • Canon RF 45mm F/2.8
  • Canon RF 35mm F/2.0

and a 16-35mm f/4 lens, also discussed in the patent application. The lenses appear to be non-L lenses, i.e. less expensive lenses. Are these pancake lenses, in you opinion?


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

Source: Canon News

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