Abe's of Maine offers the Sigma 50mm F1.4 EX DG HSM Lens for Canon, model no. 310101, for $449. In-cart, it falls to $429. Coupon code "DEALNEWS15" further cuts it to $414. With free shipping, that's $20 under our mention from last summer and the lowest total price we could find by $25. It features a Hyper Sonic Motor for silent, high-speed auto-focus and is designed to work with Canon digital SLR cameras.