Adorama offers the Sigma 10-20mm f/3.5 EX DC HSM AF Zoom Lens Bundle for Canon, Nikon, Sony Alpha, Pentax, or Sigma for $599. Coupon code “S0101132″ drops it to $525. With free shipping, that’s $66 under the lowest total price we could find for the lens alone elsewhere. It features two ELD glass elements, minimum focusing distance of 9.4″, and more. The bundle includes a Tiffen 82mm UV filter, lens cap leash, and lens cleaning kit.