Panasonic 12-60mm f/4.5-5.6 and Olympus 150mm f/2.8 lens patent

Panasonic filed a patent (201247813) in Japan for a 12-60mm f/4.5-5.6 Micro Four Thirds lens:

  • Patent release date: March 8th, 2012
  • Patent filed on: August 24th, 2010
  • Focal length: 58.1999-12.3599mm
  • Aperture: 4.63557-5.76853
  • Angle of view: 10.1280-4.3446 deg.
  • Zoom ratio: 4.70875
  • Lens design: 11 elements in 8 groups
  • 1 ED glass element
  • 5 aspherical elements
  • Optical Image Stabilizer
  • Internal focusing/zooming

Patent 201253260 is for a 150mm f/2.8 Macro lens by Olympus. Several different lens designs were described - for Four Thirds and Micro Four Thirds cameras:

  • Patent release date: March 15, 2012
  • Patent filed on: September 31, 2010
  • Focal length: 150.11mm
  • Aperture: 2.83 - 1.85 - 1.30
  • Lens length: 178.64mm
  • Lens design: 15 elements of 12 groups
  • 3 ED glass elements
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