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Firmware Update

Nikon 180-400mm Announcement Date and Price

Nikon 200-400mm lens image

Nikon 180-400mm Lens details leaked today, according to latest rumors the lens is expected to be announced 3rd week of January possible on January 18, 2018 in Japan.  We may see the 180-400mm glimpse of this lens in the CES show.

The shipment of 18-400mm lens will start from March of 2018 and will be price around 1,287,900 yen including tax and possibly $11000 on USA.

The lens will arrive with

  • Lens hood: HK-41
  • Lens cap: LC-K103

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Also see  –  Nikon Mirrorless in March 2018

Also check Nikon upcoming camera 2018

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Nikon FX Lens Roadmap and Patent News

Nikon FX Lens Roadmap and new patent details published by egami , The FX Lens Roadmap is based on Nikon FX Lens patents.

Nikon FX Lens Roadmap

Nikon FX lens roadmap


Nikon 70-200mm F4 telephoto zoom lens patent

Nikon 70 200mm F4 lens
Patent literature, interpretation and self-summary (translated by google)

  • Patent Publication No. 2011-197302
    • 2011.10.6 Release Date
    • Filing date 2010.3.18
  • Example 1
    • Focal length f = 71.40 – 107.00 – 195.99mm
    • Fno = 4.1
    • Half angle of 17.107 – 11.288 – 6.107 °
    • Image height 21.60mm
    • Optical Length 214.6 – 214.5 – 214.8mm
    • Back Focus 51.9 – 51.8 – 52.1mm
    • Maximum magnification β =- 0.07 – -0.09 – -0.14 times
    • 20 sheets of 15 groups
    • Zoom ratio 2.745
  • Positive positive positive and negative elements in 5 groups Zoom
  • Inner Focus
  • Inner Zoom
  • Image stabilization (VR) with

Nikon 800mm F5.6 telephoto lens patent

Nikon 800mm Lens Partent

Patent literature, interpretation and self-summary (translated by google)

  • Patent Publication No. 2011-197413 (Translated by google)

    • 2011.10.6 Release Date
    • Filing date 2010.3.19
  • Example 1
    • Focal length f = 800.00mm
    • Fno = 5.61
    • Image height 21.60mm
    • Β =- 0.153 times the maximum magnification
    • 16 images 14 groups
  • Group 4 consists of positive and negative polarity
  • Inner Focus
    • The second focus group for
  • Image stabilization
    • The third part of the group for the VR

Also see latest Nikon D800 Rumors.