Olympus 70mm f/2.8 and 100mm f/4.5 Lens Patents

Egami has spotted new Olympus patents filed in Japan. The patent includes two new macro lenses for micro four thirds cameras. The new Olympus MFT lenses are the 70mm f/2.8 and 100mm f/4.5.

Olympus M.Zuiko 100mm f/4.5 and Olympus M.Zuiko 70mm f/2 lenses will be the new micro four thirds macro lenses. Below are the details of the filed patent for the 70mm f/2.8 and 100mm f/4.5 mft lenses. (translated by Google)

olympus-macro-lenses-patant

Olympus 70mm f/2.8 and 100mm f/4.5 Lens Patent Details

Description and self-interpretation of the patent literature

  • Patent Publication No. 2013-152279
    • Publication date 2013.8.8
    • Filing date 2012.1.24
  • Example
    embodiment
    Example Focal length Fno. Angle of view β Total length BF Lens constitution
    One 72.23 – 57.55 2.88 – 3.11 17.23 – 16.24 0 -0.30 100.582 16.579 13 pieces in 10 groups
    60.52 – 53.05 2.88 – 5.80 20.37 – 5.57 0 -1.0
    Two 75.91 – 52.97 3.25 – 3.63 16.69 – 14.88 0 -0.60 100.580 17.152 13 pieces in 10 groups
    66.03 – 56.95 3.03 – 5.80 18.54 – 9.69 0 -1.0
    Three 65.91 – 44.15 3.11 – 3.67 18.95 – 17.30 0 -0.60 100.582 19.468 13 pieces in 10 groups
    58.70 – 44.08 2.88 – 5.80 20.34 – 11.19 0 -1.0
    Four 53.78 – 42.70 2.98 – 3.28 23.18 – 20.37 0 -0.60 98.843 14.922 13 pieces in 10 groups
    39.61 – 43.89 2.88 – 5.80 28.59 – 11.42 0 -1.0
    Five 101.25 – 60.87 4.39 – 4.92 12.44 – 11.06 0 -0.60 108.582 25.178 13 pieces in 10 groups
    98.97 – 53.14 4.38 – 5.80 12.69 – 8.34 0 -1.0
    Six 59.75 – 41.98 3.34 – 3.82 21.21 – 18.70 0 -0.60 100.582 21.447 13 pieces in 10 groups
    64.32 – 45.50 2.99 – 5.80 19.19 – 11.22 0 -1.0
    Seven 59.76 – 40.81 3.52 – 3.83 21.34 – 18.76 0 -0.60 100.582 17.535 13 pieces in 10 groups
    60.77 – 46.62 3.05 – 5.80 19.88 – 10.10 0 -1.0
    Eight 69.07 – 52.64 2.96 – 3.00 17.94 – 17.88 0 -0.20 100.582 16.737 13 pieces in 10 groups
    58.18 – 39.76 2.88 – 5.80 21.46 – 3.00 0 -1.0
    Nine 84.20 – 61.02 3.50 – 3.65 15.31 – 13.09 0 -0.60 96.557 13.129 13 pieces in 10 groups
    70.27 – 61.82 3.30 – 5.80 17.35 – 8.63 0 -1.0

    Image height is 11.15mm

  • Olympus patents
    • I and a second shooting mode and the first photography mode
    • First photography mode
      • Inner Focus (Group 4)
      • Focus group with one piece, can be high-speed AF
    • Second shooting mode
      • (Third group and the second group approaches) inner focus
      • Focus is more than one group, and corresponds to the macro

via EG