Sigma 24-35mm f/2 DG HSM Art lens for Nikon F mount to start shipping tomorrow in the US (in stock now in Europe) - Nikon Rumors
MPEX Review of the Sigma 24-35 f/2 DG HSM Art Lens – MPEX Experience
DXOMARK - Sigma 24-35mm F2 DG HSM Art Nikon mount review: Performance redefined. Looking to cut down on the number of lenses you carry? This ultra-fast high-grade zoom could be an attractive
Sigma 24-35mm f2 Art review | Cameralabs
Sigma 24-35mm f/2 DG HSM Art Lens for Canon EF (588954) for sale online | eBay