It looks like Tamron is going to be busy at Photokina this year with lens announcements. We now see a 70-200mm f/4 VC patent, a lens that is likely to come to market.

Patent Publication No. 2016-126278 (Google Translated)

  • Published 2016.7.11
  • Filing date 2015.1.8
  • Focal length 71.8092 109.9915 205.9615
  • F-number 4.0989 4.1033 4.1023
  • Half angle of 16.7567 10.8972 5.8621
  • Positive and negative positive positive and negative 5-group zoom
  • Inner zoom
  • Inner focus
  • Vibration control

We've now seen patents for a 60mm f/2.8 VC and 100-400mm f/4.5-6.3 VC from Tamron in the last few weeks. I will note that in the patent for the 100-400 optical formula, there were also examples for a 150-600mm f/4.5-6.3 VC, the current lens starts at f/5.

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