Structural drawings new 58 mm f/1.2 lens.
The two latest Nikon patents bring No. hieu 2012-230133 and 2012-230340 filed in Japan are related to a single-lens reflex 58 mm focal length and aperture of f/1.2. This could be the upgrade of the legendary Ai Noct Nikkor 58mm f/1.2 which is one of the fastest lens Nikon (which is a version of 50 mm f/1.0 but very rare).
Noct Nikkor 58mm f/1.2 had been introduced in 1977 and ceased production in 1997.One of the most striking features of this product is that when shooting with a wide open aperture, the light sources such as street lights will appear as a dot instead of the comet as many rays as usual.
Who Noct-Nikkor 58mm f/1.2 introduced in 1977.
Of upcoming Nikon lenses also has many features in the lens structure compared to the old product. Patents approved date 22/10/2012 and previously filed on 4/4/2011. Products with a half angle of 20.81 degrees, the length of the lens is 108.9 mm and the closest focus is 38 mm.