Nikon AF-S 105mm f/2 lens patent

Back in December of 2010 I reported on a rumor for a new Nikon AF-S 105mm f/2 VRII Nano lens:

“2011 fall no more DC but VR and 77mm filter size min. focusing to 3.6 feet and max magnification of 1:3.4 priced at $2199 no more 135DC”

Yesterday a patent for a new Nikon 105mm f/2 lens appeared in the JPO (Japan Patent Office):

  • Patent #: 2011-112955
  • Published date: June 9th, 2011
  • Filing date: November 27th, 2011
  • Focal length: 104.02mm
  • Aperture: 1.98
  • Angle of view: 23.48°
  • Image height: 21.60mm
  • Total lens length: 127.09mm
  • Back focus: 44.44mm
  • Maximum magnification: -0.13080
  • No aspherical elements
  • Internal Focus

Nikon currently still has the AF DC-Nikkor 105mm f/2D lens in their product line which has similar lens design as the one from the patent:

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