New Patent: Tamron 70-200mm f/4 VC Lens

Tamron 70-200mm F4 VC lens patent

Tamron Japan has just filed a new lens patent for Tamron 70-200mm f/4 VC lens. This Full-Frame lens would be much cheaper than Canon EF 70-200mm f/4L IS USM and Nikon AF-S NIKKOR 70-200mm f/4G ED VR lens.

Patent Publication No. 2016-126278  (Google Translated)

  • Published 2016.7.11
  • Filing date 2015.1.8
  • Example 1
  • 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
  • Patent of Tamron
  • Positive and negative positive positive and negative 5-group zoom
  • Inner zoom
  • Inner focus
  • Vibration control

Source: EGAMI

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