Nikon’s patent for a 16-30mm f/4.5-5.6 FX lens

• 12 years ago
• Categories: Nikon Lenses, Nikon Patents

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