New Patent: Tamron 70-130mm F2 FE and 200-400mm F4 FE Lens

According to HLN, Tamron has just filed a new lens patent for Tamron full frame mirrorless lenses. They are Tamron 70-130mm f/2 FE Lens and Tamron 200-400mm f/4 FE Lens. Both the lenses are very fast telephoto zoom lenses for Sony mirrorless cameras.

Embodiment 6: 70-130mm F2

  • Focal Length   72.110    97.006     130.941
  • F number      2.060
  • ω                    16.823   12.307      9.071
  •  Y                21.633
  • TL              205.680
  • BF             20.170

Embodiment 5: 200-400mm F4

  • Focal length     203.875      290.974     388.046
  • F number      4.120
  • ω                       5.854            4.108       3.087
  • Y            21.633
  • TL          310.000
  • BF        34.952
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