Canon Patent: RF 130mm f/2 Lens For The EOS R System

Canon Patent

Here is a new Canon patent. A RF 130mm f/2 lens for the EOS R full frame mirrorless system.

Canon patent application 2022-043436 (Japan) discusses optical formulas for a RF 100mm f/2 lens.

PROBLEM TO BE SOLVED: To provide an optical system which is compact and has various aberrations such as chromatic aberration satisfactorily corrected.

Example 1

  • Focal length: 130.77
  • F value: 2.06
  • Half angle of view: 9.39
  • Image height: 21.64
  • Overall length: 132.51
  • Back focus: 25.26

As always, this Canon patent was spotted by asobinet. More Canon patent applications are listed here. Some particularly interesting patent applications we think might get into production are these: