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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.