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Canon Patent for EF 58mm f/1.4 Lens

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Canon has a new patent application for a new prime lens. The new patent describes the EF 58mm f/1.4 lens designed for Canon DSLRs with full-frame image sensors.

The Canon EF 58mm f/1.4 prime lens comes with a fast maximum aperture. It is ideal as an everyday lens and is very effective in low light conditions

If becomes in production the EF 58mm f/1.4 lens will probably not repace the current EF 50mm f/1.2 L USM but sure will compete against Nikon’s AF-S NIKKOR 58mm f/1.4G lens. 

Canon EF 58mm f/1.4 Lens Patent

canon-patent-for-ef-58mm-f1-4-lens

Description, self-interpretation of the patent literature

  • 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

via EG