Abe's of Maine offers the Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Camera Lens, model no. 8806A002, for $739. Coupon code "DEALNEWS15" cuts it to $724. With free shipping, it's the lowest total price we could find by $15, although we saw it for $17 less last winter. (Most stores charge $750 or more.) This 1.1-lb. lens is for use with most Canon SLR cameras.