New Patent: Canon EF 58mm F/1.4 Lens

Canon EF 58mm F1.4 lens patent

Canon has just filed a new patent of EF 58mm F1.4 lens. This is the same focal length as Nikon 58mm f/1.4G and Voigtlander Nokton 58mm f/1.4 SL-II lens.

Patent Publication No. 2015-172611

  • Published 2015.10.1
  • Filing date 2014.3.11

Example 1

  • Focal length 57.99
  • F-number 1.45
  • Half angle (in degrees) 20.46
  • Image height 21.64
  • Overall length of the lens 117.64
  • BF 38.23

Source: EG

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