Nikon 135mm f/1.8 lens patent

Nikon filed a patent (201048125) in Japan for a 135mm f/1.8 lens:

  • Patent release date: March 8, 2012
  • Patent filing date: August 30, 2012
  • Focal length: 132.9mm
  • Aperture: 1.8
  • Angle of view: 18.3°
  • Lens design: 15 elements in 9 group, 2 ED elements
  • Internal focusing (IF)
  • Vibration reduction (VR)
Update: here is the US patent 20120050872 application for the same lens.

Nikon currently has the AF DC-Nikkor 135mm f/2D lens ($1,329.00) in their catalog (lens design: 7 elements in 6 groups).

It seems that Nikon is persistently releasing a whole line of full frame f/1.8 lenses - last year there was the Nikkor AF-S 50mm f/1.8G lens, this year the Nikkor 85mm f/1.8G and will probably see also a new Nikkor AF-S 28mm f/1.8G by the end of 2012.

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