Panasonic Patent for 12mm f/1.2 OIS MFT Lens

Egami has discovered a new patent filed by Panasonic. The new patent refers to a Panasonic 12mm f/1.2 OIS lens for Micro Four Thirds cameras.

According to patent details, the lens features a fixed focal length of 12mm, a maximum aperture of f/1.2, and built-in optical image stabilization.

Panasonic 12mm f/1.2 OIS will be a fast wide angle lens with built-in lens stabilization. The patent includes several more compact design variations with f/1.4, f/2.0 and f/2.8 aperture.

Panasonic Patent for 12mm f/1.2 OIS MFT Lens

panasonic-12mm-f1-2-ois-patent

Explanation and self-interpretation of the patent literature

  • Patent Publication No. 2014-142604
    • Published Date 2014.8.7
    • Filing date 2012.12.27
  • Example
    embodiment
    Example Focal length Fno. Half angle The overall length of the lens BF Lens constitution Aspheric surface Vibration control
    One 1.0000 2.08529 43.7315 2.8310 0.47144 7 groups nine Three three-sided None
    Two 1.0002 2.08222 43.7120 3.0904 1.03774 8 group 9 pieces Two two-sided None
    Three 1.0001 1.45663 43.6782 3.6941 0.48182 12 sheets 9 groups Three three-sided Vibration control
    Four 1.0000 2.08425 43.7166 3.6482 1.28635 8 group 9 pieces Two two-sided None
    Five 1.0001 1.24833 43.6641 4.3816 0.45147 12 sheets 8 groups Two two-sided Vibration control
    Six 1.0002 1.45910 43.1737 3.3515 0.17291 11 sheets 8 groups Two three-sided None
    Seven 1.0001 2.08512 43.8216 3.7366 1.41738 8 group 9 pieces Two two-sided None
    Eight 0.9998 2.70528 43.7240 2.1879 0.49203 8 group 9 pieces Three three-sided None
    Nine 0.9999 2.08404 43.8528 3.7372 1.40512 8 7 groups Two two-sided None

    Image height Y = 0.8590mm

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