Patent: Was the Leica APO Vario-Elmarit SL 90-280mm F/2.8-4 Lens Designed by Panasonic?

Patent: Was the Leica APO Vario-Elmarit SL 90-280mm F/2.8-4 Lens Designed by Panasonic?

A Panasonic patent has been published which details the design for a 90-280mm F/2.8-4 OIS lens for full-frame mirrorless cameras. The patent may have some questioning if Panasonic are working on a full frame mirrorless camera, but instead it would appear that the lens depicted in the patent is the Leica APO Vario-Elmarit SL 90-280mm F/2.8-4. Comparison of the patent diagram, and a diagram of the Leica lens show the two lenses to be almost identical. It isn’t a secret that Leica and Panasonic have worked together in the past, it is interesting though to find a graphic depiction of the collaboration in action:

Leica Panasonic Patent Feature

  • Patent Publication No. 2016-139125
    • Published 2016.8.4
    • Filing date 2015.1.21
  • Example 1
    • Zoom ratio 2.95713
    • Focal length 92.2864 158.6671 272.9028
    • F-number 2.90761 3.28448 4.10547
    • Angle of view 13.1946 7.6150 4.4177
    • Image height 21.6300 21.6300 21.6300
  • Panasonic patent
    • Vibration control
    • Inner focus

Via: Egami.


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