Olympus M.Zuiko 40-200mm f/4 Lens Patent

Olympus filed a new lens patent for micro four thirds cameras. New patent includes Olympus M.Zuiko 40-200mm f/4 lens which is a new MFT lens with focal range of 40-200mm and constant f/4.0 aperture.

The new zoom lens for Micro Four Thirds cameras, Olympus M.Zuiko 40-200mm f/4 patent details are as follows.

Olympus-40-200mm-lens-patent

Olympus M.Zuiko 40-200mm f/4 Lens Patent

Description and self-interpretation of the patent literature (Translated by Google)

  • Patent Publication No. 2013-117667
    • Publication date 2013.6.13
    • Filing date 2011.12.5
  • Example 1
    • Focal length f = 40.80-90.00-196.00mm
    • Fno. 4.08
    • Angle of view 2ω = 30.57-13.85-6.46 °
    • BF 31.51-27.21-24.06mm
    • 158.58-170.08-193.58mm length
    • Image height 11.15mm
  • Olympus patents
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      • I earn a zoom rate
    • Inner Focus (Group 4)
    • To center the aperture thinned entire optical system

via Egami