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 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
