Amazon.com : Sigma 85mm f/1.4 EX DG HSM Large Aperture Medium Telephoto Prime Lens for Canon Digital SLR Cameras : Digital Slr Camera Lenses : Electronics
Canon EF 85mm 1.8 vs Sigma 85mm 1.4 Shootout
Sigma 85mm F/1.4 EX DG HSM review
Sigma 85mm F/1.4 EX DG HSM review
Field Review: Sigma 85mm F/1.4 EX DG HSM (Day 4) - The Phoblographer