Patent of Nikon 1 Nikkor 9-30mm F1.8-2.8 lens

Nikon 1 Nikkor 9-30mm F1.8-2.8 lens

Patent of Nikon 1 Nikkor 9-30mm F1.8-2.8 lens

Nikon has just filed a new patent of 1 Nikkor 9-30mm f/1.8-2.8 lens. This wide angle zoom lens will be available for Nikon 1 mirrorless cameras.

Patent Publication No. 2015-11191       

  • Published 2015.1.19
  • Filing date 2013.6.28

Example 1

  • Zoom ratio 3.14
  • The focal length f = 9.3-19.1-29.1mm
  • Fno. = 1.8-2.5-2.9
  • Angle of view 2ω = 85.1-44.7-29.8 °
  • Image height Y = 8.0mm
  • Total length 95.9-101.1-114.1mm
  • BF 13.8- 18.9- 18.4mm
  • 4-group zoom of positive and negative, positive
  • Inner focus

Source:EG

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