It seems to be a never-ending parade of optical formula patents from Tamron, this time it's a 115mm f/1.4 VC. This is another fast and unique lens concept from Tamron.

Patent Publication No. 2016-151661 (Google Translated)

  • Published 2016.8.22
  • Filing date 2015.2.17
  • f = 113.000
  • Fno = 1.456
  • ω = 10.632
  • Tamron patent
  • Positive and negative positive
  • Inner focus (the second group)
  • Vibration proof group (one of the group)

Announcements from Tamron ahead of Photokina should be coming any day now. I suspect most will wait until after the EOS 5D Mark IV announcement and chatter has cooled down.

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