New Nikon 58mm f/1.2 lens patent

Nikon-58mm-f1.2-lens-patent

Nikon field another two lens patents (2013-019992, 2013-011831) in Japan for the new 58mm f/1.2 lens.

Here are the technical details:

  • Focal length: 58.0216
  • Aperture: 1.229
  • Half angle of view: 20.82 “
  • Image height: 21.6
  • Lens length: 122.05004
  • Backfocus: 38.01861
  • Lens design: 9 elements in 7 groups with three aspherical surfaces and possibly two ED elements (2 & 4)

via: NR