New Patents: Nikon 400mm, 500mm and 600mm f/5.6 Phase Fresnel (PF) Lenses

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The current Nikon AF-S NIKKOR 300mm f/4E PF ED VR Lens

Nikon has filed a new patent (P2018-17857A) in Japan: the new Nikon 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.

Nikon 400mm f/5.6 Lens

 

Nikon 500mm f/5.6 Lens
Nikon 600mm f/5.6 Lens

Nikon AF-S NIKKOR 300mm f/4E PF ED VR Lens is currently in stock at most US stores: $1,996.95 at Amazon, B&H, Adorama

Via: NikonRumors