There is a patent for a new Nikon AF-S Nikkor 50mm F1.2G lens

After yesterday's rumor, a reader posted a link to a Nikon AF-S Nikkor 50mm F1.2G patent on a Japanese site (English translation):

  • Focal length f = 51.63mm
  • Brightness F = 1.25
  • Overall length: 94.94mm optics

The patent was filed on July 2nd, 2008 and was published on January 21st, 2010. I could not find any reference to this lens in the US Patent Office - it seems that this patent was filed only in Japan (just a reminder that patents do not guarantee a future production version).

I am curious to know if the tips I received are based on this patent or they are coming from different channels.

UPDATE: for comparison, here is the lens diagram of the current Nikon 50mm f/1.2 Ai-S model (source: Nikon):

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