Nikon 1 Nikkor 7.5mm f/2.8 Lens Patent

Nikon has filed a new patent for a super-wide-angle lens in Japan. The new patent describes a new 1 Nikkor 7.5mm f/2.8 lens designed for mirrorless cameras with 1-inch type sensors.

From the patent document we can say the lens will offer 7.5mm focal length and f/2.8 bright aperture. The Nikon 1 series CX (1″) format have 2.7X crop factor that clearly means (7.5mm X 2.7) = 20mm (approx) of focal length.

See the patent details below.

Nikon Patent for 1 Nikkor 7.5mm f/2.8 Lens

Nikon 7.5mm F2.8 Focal length translated by Japanese

• Patent Publication No. 2015-152851
  • Published 2015.8.24
  • Filing date 2014.2.18
• Example 1
  • Focal length f = 7.54025mm
  • Fno. 2.85
  • Angle of view 2ω 94.66
  • Y 8.00
  • TL 51.2997
  • Air conversion BF 13.6095

via Egami