Nikon patented two new Fresnel lens designs:
400mm f/5.6 (23cm lenght) and 500mm f/5.6 (28cm length).
Both designed for Full Frame sensors.
via hi-lows-note
Nikon patented two new Fresnel lens designs:
400mm f/5.6 (23cm lenght) and 500mm f/5.6 (28cm length).
Both designed for Full Frame sensors.
via hi-lows-note
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