Nikon Patent for 10-65mm f/1.9 Lens for Compact Cameras

Nikon has filed a new patent in Japan. The patent describes a 10-65mm lens with a constant maximum aperture of f/1.9 designed for cameras with 1/2.3-inch-type sensors.

According to the patent application Nikon 10-65mm f/1.9 lens will offer a 35mm equivalent of 56-366mm and expected to be used on a premium compact shooter.

You can see the internal design of the Nikon 10-65mm f/1.9 lens and the details as below.

Nikon 10-65mm f/1.9 lens patent for compact cameras

nikon-patent-for-10-65mm-f1-9-lens-for-compact-cameras

Explanation and self-interpretation of the patent literature

  • Patent Publication No. 2015-102646
    • Published 2015.6.4
    • Filing date 2013.11.25
  • Example 1
    • Zoom ratio 6.50
    • Focal length f = 10.00 25.00 65.00mm
    • Fno. 1.9
    • Half angle of view ω = 23.18699 9.61495 3.72602 °
    • Augmented Y = 4.05mm
    • BF 40.15837mm
    • Total length 367.46869mm

via Egami