Tamron 70-200mm f/4 VC Lens Patent

Tamron-SP-70-200mm-f2.8-Di-VC-USD-Lens

The Current Tamron SP 70-200mm f/2.8 Di VC USD Zoom Lens

Tamron has filed a new patent for 70-200mm f/4 VC lens, which will be designed for full frame DSLR cameras. This Tamron 70-200mm f/4 VC lens will be much cheaper than the current Canon EF 70-200mm f/4L IS USM ($1,099) and Nikon AF-S NIKKOR 70-200mm f/4G ED VR ($1,396).

Take a look at the patent details below translated by Google.

tamron-70-200-f4-vc-lens-patent

Patent Publication No. 2016-126278

  • 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

Tamron patent

  • Positive and negative positive positive and negative 5-group zoom
  • Inner zoom
  • Inner focus
  • Vibration control

Via: Egami

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