A new Supertelephoto Zoom?
This is definitely a lens that Tamron would make. If you need length and you're on a budget, this could be a one of a kind option if and when it comes to market.

Patent Publication No. 2012-208434

  • Release Date 2012.10.25
  • Filing date 2011.3.30

Example 1

  • Focal length f = 152.3068-582.0002mm
  • FNo. = 5.12-6.45
  • 2ω = 16.30-4.23 ° angle of view
  • 18 sheets 13 groups lens configuration
  • 5-group configuration of positive and negative positive negative
  • Inner Focus (the fourth group focus group)
  • Stabilizer (front group of the fifth group of anti-vibration group)
  • Reduce the size of the group of anti-vibration and focus group
  • To shorten the focal length of the front group of the fifth group, reduce the amount of movement of the time the anti-vibration
  • Joining the front group lens and the fifth group, when the spherical aberration correction of the anti-vibration, axial chromatic aberration and chromatic aberration of magnification

Source: [EG]


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