First image of the new Tamron 70-210mm f/4 lens mounted on a Nikon
On February 22 Tamron will announce the new 70-210mm f/4 lens. The image on top shows it mounted on a Nikon camera.
This is the teaser posted today by Tamron Japan:
First leaked images of the new Sigma 14-24mm F2.8 DG HSM Art lens
Sigma will soon announce the new 14-24mm F2.8 DG HSM Art lens. These are the first leaked images via Nokishita.
Nikon patented two new Fresnel lenses
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