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Sony Patents 60mm F2.0 Lens

60mm-lens

Sony Patents 60mm F2.0 Lens surfaced over the web, tale a look at the more info translated by google below…

computer translated

Description and self-interpretation of the patent literature

  • Patent Publication No. 2013-238740
    • Publication date 2013.11.28
    • Filing date 2012.5.15
  • Example 1
    • Focal length f = 1.00mm
    • Fno. 2.0
    • Half angle ω = 19.62 °
    • 4 group 6 lens configuration
    • Three 5-sided aspherical
    • One ED glass
    • 35mm equivalent 60mm
  • Example 2
    • Focal length f = 1.00mm
    • Fno. 2.85
    • Half angle ω = 23.31 °
    • 4 group 6 lens configuration
    • Three 5-sided aspherical
    • One ED glass
    • 35mm equivalent 50mm
  • Seishibo negative-positive
  • Inner focus
    • The weight of the focus group
    • Fast AF
    • Video support
  • Increase the exit pupil distance by the third lens unit

src-egmai

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