Nikon patents for 17mm f/4 tilt and shift, 10mm f/4, 16-30mm f/4.5-5.6 and 28mm f/1.4 lenses

Nikon filed patent 201278550 in Japan and for a 17mm f/4 tilt and shift and 10mm f/4 wide angle lenses:

  • Patent released date: April 19th, 2012
  • Patent filing date: October 1st, 2010
  • Focal length: 17.11mm
  • Aperture: 4.08
  • Angle of view (half): 63.03deg
  • Image height: 33.00mm
  • Lens length: 188.30mm
  • Back focus 53.036mm
  • Lens design: 18 elements in 11 groups, 2 aspherical elements, 3 ED glass elements
  • Focal length: 10.3mm
  • Aperture:. 4.17
  • Angle of view (half): 64.84deg
  • Image height: 21.6mm
  • Lens length: 132.78mm
  • Back focus: 38.10mm
  • Lens design: 17 elements in 10 groups, 2 aspherical elements, 2 ED glass elements

patent: 16-30mm f/4.5-5.6

Patent 2012008273 filed in Japan is for a 16-30mm f/4.5-5.6 full frame lens. This is another example of a “cheap” full frame lens that could be designed for the rumored Nikon D600 camera:

Problem to be solved: To provide a lens having a wide angle of view, which is compact, has a small number of lenses, satisfactorily corrects aberrations and has high imaging performance, an imaging device, and a method for manufacturing the zoom lens.

Patent 201283703 has three different calculations for 28mm f/1.4, 24mm f/1.4 and 30mm f/1.4 lenses:

  • Patent release date: April 26th, 2012
  • Patent filing date: September 17th, 2010
  • Focal length: 28.50mm
  • Aperture: 1.45
  • Angle of view: 75.6deg
  • Image height: 21.6mm
  • Lens length: 133.3mm
  • Focal length: 24.70mm
  • Aperture: 1.44
  • Angle of view: 83.7deg
  • Image height: 21.6mm
  • Lens length: 133.3mm
  • Focal length: 30.87mm
  • Aperture: 1.45
  • Angle of view: 71.3deg
  • Image height: 21.6mm
  • Lens length: 135.0mm
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