Abe’s of Maine offers the Sigma 10-20mm f/4-5.6 EX DC HSM AF Lens, model no. 201101, for an in-cart price of $414. Coupon code “LOYALTY15” cuts it to $399. With free shipping, that’s $22 under our mention from last June and is the lowest total price we could find by $69. This lens is designed to work with Canon digital SLR cameras.