New Patent: Nikon 200-500mm f/3.5-5.6 VR lens

Nikon 200-500mm f 3.5 5.6 vr lens

Egami posted a new lens patent for Nikon 200-500mm f/3.5-5.6 VR lens.

Lens detail: (Translated by Google)
  • Patent Publication No. 2013-97322
    • Publication date 2013.5.20
    • Filing date 2011.11.4
    • Related 2013-97323,2013-97324
  • Example 1
    • Image height 21.60mm
    • Zoom ratio 2.40
    • Focal length f = 200.00 – 293.16 – 480.00mm
    • Fno 3.6 -. 5.2 – 5.6
    • Angle of view 2ω = 12.21 – 8.32 – 5.11 °
    • 280.13 – – 315.05mm 269.97 total length
    • 14 pieces in 11 groups Lens Construction
    • One ED glass
  • Example 2
    • Image height 21.60mm
    • Zoom ratio 2.40
    • Focal length f = 199.99 – 293.28 – 480.00mm
    • Fno 4.1 -. 5.1 – 5.6
    • Angle of view 2ω = 12.26 – 8.31 – 5.10 °
    • 290.90 – – 315.06mm 290.92 total length
    • 15 pieces of 11-group lens configuration
    • One ED glass
  • Nikon patents
    • 5-group zoom of positive and negative positive positive and negative
    • Inner Focus (Group 4)
    • (1 part of the second group) correction to shake

In the past, Nikon has another 200-500mm f/4.5-5.6 pantent.

Nikon 200-500mm f 4.5 5.6 vr lens

 

via: egami