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New Patents : Tamron 70-130mm f/2 FE and 200-400mm f/4 FE Lens

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Tamron has filed two new lens patent for Sony full frame mirrorless cameras. New patent applications are Tamron 70-130mm f/2 FE Lens and Tamron 200-400mm f/4 FE Lens.

The Tamron 70-180mm F/2.8 Di III VXD (Model A056) lens is on the way and the high-speed telephoto zoom lens for Sony E-mount full-frame E-mount cameras will be priced at $1,199. There are three more F2.8 prime lenses from Tamron and these ‘Di III OSD M1:2’ lenses come in three focal lengths: a 20mm f/2.8 Di III OSD M1:224mm f/2.8 Di III OSD M1:2, and 35mm f/2.8 Di III OSD M1:2 lens.

Tamron 70-130mm f/2 FE and 200-400mm f/4 FE lenses are very fast telephoto zoom lenses designed for full frame Sony E-mount 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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