Abe's of Maine has Sigma 10-20mm F4-5.6 EX DC HSM AF Lens for Canon for $479 - $15 code NKDS15 - $50 code ABES50 - $15 code LOYALTY15 = $399 with free shipping. Discount applies during cart.

Retail Price:	$ 479.00
Deal Price:	$ 399.00
Savings:	$ 80 (16.70% Discount)