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Wednesday, July 13, 2016

Tamron Patent - 100-400mm f/4.5-6.3 VC Lens

Tamron 150-600mm f/5-6.3 Di VC USD lens

Egami has uncovered a patent from Tamron for a 100-400mm f/4.5-6.3 VC lens. This is the most popular, medium focal length, zoom lens for wildlife photography and my personal favorite is the Canon EF 100-400mm f/4.5-5.6L IS II. I have taken this lens on worldwide photo shoots. You can see my equipment bag and works on

Tamron is a third party lens manufacturer and super long zoom lens is very popular. Canon is expected to announce their own Super Zoom lens some time n 2017.

Patent Publication No. 2016-126295 (Google Translated)

  • Published 2016.7.11
  • Filing date 2015.1.8
  • Focal length 103.00 247.29 389.05
  • Fno. 4.51 5.81 6.53
  • Half angle of 11.68 4.88 3.11
  • Positive and negative positive negative
  • Rear focus (Group 5)
  • Anti-vibration (third group)

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