Sigma 50mm f/2.8 EX DG Macro Canon EF Fit Lens - Lenses and Cameras
Sigma 50mm f/1.4 DG HSM Art Lens for Nikon F - Mage Bundle with 6PC Graduated Color Filter Kit, Macro/Close Up Lenses, Telephoto and Wide Angle Lenses and Much More - Walmart.com
Sigma 50mm F/2.8 Macro ZEN | LENS-DB.COM
Sigma 18-50mm f/2.8 EX DC HSM Macro Lens for Nik 582-306 B&H