Nikon’s patent for a 16-30mm f/4.5-5.6 FX lens

Patents 2012-8268, 2012-8271 and 2012-8273 filed in Japan are for a 16-30mm f/4.5-5.6 full frame lens:

  • Patent published on January 12th, 2012
  • Patent filed on June 23rd,  2010
  • Focal length: 16.48 – 29.10mm
  • Aperture: 4.41 – 5.88
  • Half angle of view 53.27 – 36.32°
  • Zoom ratio: 1.77x
  • 14 elemetns in 9 groups
  • 3 ED glass elements
  • 2 aspherical elements
  • Internal focusing
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