Nikon’s patent for a 16-30mm f/4.5-5.6 FX lens
Patents 2012-8268, 2012-8271 and 2012-8273 filed in Japan are for a 16-30mm f/4.5-5.6 full frame lens:
- Patent published on January 12th, 2012
- Patent filed on June 23rd, 2010
- Focal length: 16.48 – 29.10mm
- Aperture: 4.41 – 5.88
- Half angle of view 53.27 – 36.32°
- Zoom ratio: 1.77x
- 14 elemetns in 9 groups
- 3 ED glass elements
- 2 aspherical elements
- Internal focusing
