Follow live: Sigma 28-45mm f/1.8 FE lens announcement!

At 13:00 London time Sigma will announce the world’s first Full Frame autofocus zoom lens with constant f/1.8 aperture!

Sigma 28-45mm f/1.8 preorders links:
In USA at Amazon, Bhphoto, Adorama.
in EU at FotoErhardt, Calumet, WexUK.