Tamron files a patent for a 150-600mm f/5-6.3 lens

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Tamron filed patent 2012-208434 in Japan for a 150-600mm f/5-6.3 lens. Two different lens designs were described. Patent details:

  • Patent release date: October 15, 2012
  • Patent filing date: March 30,  2011
  • Focal length: 152.3068-582.0002mm
  • Aperture: 5.12-6.45
  • Angle of view: 16.30-4.23°
  • Lens design: 18 elements in 13 groups
  • Internal focusing
  • Vibration Compensation (VC) mechanism

The "biggest" lens in Tamron's lineup is currently the 200-500mm f/5-6.3 Di LD IF AF.

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  • Mark

    This is cool. But, I’d prefer a 400-600/5.6.

    Mark

  • http://www.studio-toffa.com Thorstein K. Berg

    As a Tamron user I’m looking forward to what Tamron has installed for us when it comes to specs of the actual lens.

  • spam

    Definetly a lens I’d be interested in. I’ve considered the Sigma 150-500, but 100mm extra compared to my current 100-400 isn’t enough to justify a the expense.

  • http://www.cpearson.me.uk Chris

    If it can provide 500mm at better than the simga (ideally the 50-500 which is regarded the better of the two) at 5.6 then this has to be a sure fire winner assuming sensible pricing. Their VC is getting great reviews on the 24-70 and I’m sure this will be no different.

    That said I’d still probably go for a 300 f4 and teleconverter unless IQ is dramatically better than the sigmas.

  • longzoom

    On the second (lower) design of that long Tamron, G2 simmetrical group will deliver crazy vignetting. They perfectly know that, but it is posted, anyway. The question is – why?

    • longzoom

      symmetrical.

    • El_Pickerel

      By patenting that design, they prevent others from using it. Even if it is not great, it’s one less design that others could develop.

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