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The latest Nikon patents: 400mm, 500mm and 600mm f/5.6 Phase Fresnel (PF) lenses

on February 2, 2018

Nikon 400mm f/5.6 lens patent Nikon 500mm f/5.6 lens patent Nikon 600mm f/5.6 lens patent Nikon filed a patent  ( P2018-17857A ) in Japan for a 400mm f/5.6 (22cm long),  500mm f/5.6 (28cm long) and 600mm f/5.6 (33cm long) full frame Phase Fresnel (PF) lenses. Addition information on Nikon Phase Fresnel (PF) lenses can be found here : Nikon’s Phase Fresnel (PF) lens explained As of today the  Nikkor 300mm f/4E PF ED VR  is the only Nikon Phase Fresnel (PF) lens.

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The latest Nikon patents: 400mm, 500mm and 600mm f/5.6 Phase Fresnel (PF) lenses


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