Olympus 8-20mm f/2.8-4 lens patent

Olympus filed a new patent in Japan for a 8-20mm f/2.8-4 lens for Micro Four Thirds:

  • Patent number 2012-194238
  • Patent release date: October 11th, 2012
  • Patent filing date: March 15, 2011
  • Focal length: 7.629 - 19.848mm
  • Aperture: 2.933 - 4.000
  • Half angle of view: 30.843-92.529°
  • Image height: 12.029mm
  • Lens design: 14 elements in 11 groups

The patent also contains calculations for a 8-35mm f/2.2-4.0 and 8-74mm f/2.8-4 lenses.

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