Patent: Sony FE 28-70mm F/4.0 OSS Lens

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Sony FE 28-70mm f4.0 lens patentSony has just filed a new patent for FE 24-70mm F4.0 OSS lens. This new lens will get a constant f/4.0 aperture instead of the variable f/3.5-5.6 aperture of the current lens.

  • Patent Publication No. 2015-64492
    Published 2015.4.9
    Filing date 2013.9.5
  • Patent of Sony
    Positive and negative five-group zoom
    Inner focus (fourth group)
    Vibration control
Sony FE 28-70mm f3.5-5.6 lens

The Current Sony FE 28-70mm F3.5-5.6 OSS

Source: EG

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