
DxOMark published their test results for the Sigma 12-24mm f/4 DG HSM Art lens for Nikon F-mount (price: $1,599 or $300 less than the Nikkor 14-24mm):
Here are the pitures and specs of the three new Sigma lenses that will be announced later today: 12-24mm f/4 DG HSM Art, 85mm f/1.4 Art and 500mm f/4 DG OS HS: