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

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