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
An eye on the new Nikon mirrorless system
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
