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Konica 8-17mm f/2.8 Micro Four Thirds Lens Patent

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Egami has spotted a new MFT lens patent filed by Konica-Minolta. Konica 8-17mm f/2.8 lens patent is designed for the Micro Four Thirds system cameras. The new lens patent focal length corresponding to the 16-35mm wide-angle zoom lens equivalent.

This is a good news that Konica-Minolta could soon join the MFT system with new lenses. This is the third MFT lens patent after the 43mm f/1.4 and 12-42mm f/3.5-5.6 lens patents.

Below are the Konica 8-17mm f/2.8 micro four thirds lens patent details. (translated by Google)


Konica 8-17mm f/2.8 Micro Four Thirds Lens Patent

Description and self-interpretation of the patent literature

  • Patent Publication No. 2013-156477
    • Publication date 2013.8.15
    • Filing date 2012.1.31
  • Example 1
    • Zoom ratio 2.12
    • Focal length f = 8.22 – 11.99 – 17.42mm
    • Angle of view 2ω = 105.45 – 84.01 – 63.60 °
    • BF 15.01mm
    • 95.84 – – 99.05mm 100.08 total length
    • Fno. 2.9
    • Image height Y = 10.90mm
    • 16 images in 11 groups Lens Construction
    • Three 5-sided aspherical
    • Two ED glass
  • Konica Minolta patents
    • 6-group zoom of positive and negative positive negative positive and negative
    • Inner Focus (Group 5)
    • The weight of the focus group, Support for video
    • To ensure the telecentric while short back focus

via Egami