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Canon EF-S 20mm f/2.8 STM lens patent

2015_111192_fig05

Canon filed a patent for an EF-S 20mm f/2.8 STM lens. Will this be the next pancake lens for APS-C DSLRs?

  • Patent Publication No. 2015-111192
    • Published 2015.6.18
    • Filing date 2013.12.6
  • Example 3
    • Focal length 20.65mm
    • Fno. 2.88
    • Half angle of view ω = 33.48 °
    • Image height Y = 13.66mm
    • Overall length of the lens 64.00mm
    • BF 35.30mm
  • Canon patents
    • Negative ShiboTadashi
    • The pay-out the entire
[via Egami]
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