Nikon patent 400mm, 500mm and 600mm f/5.6 Phase Fresnel (PF) lenses
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Friday 2nd February 2018, 14:16
Join Date: Aug 2013
I have been wishing for longer and lighter f5.6 lenses for several years so it looks really interesting.
A 500mm/5.6 at around 1.5 kg would be a very nice tool for walk around bird photography.
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