Amazon.com has a great deal on Simga 105mm f/2.8 EX DG HSM Macro lens.
Sigma 105mm f/2.8 EX DG OS HSM Macro lens for Canon – $586.55 – at Amazon.com – Deal Expired
This is lowest price for this great Sigma macro lens. Regular price for this lens is $669.00 at B&H Photo Video and Adorama.com.
Note: This is a limited time deal, Amazon.com will end this deal at any time, so if you need one, get it ASAP.