Abe's of Maine offers the Sigma 50mm f/1.4 EX DG HSM Lens for Nikon, model no. 310306, bundled with the Hoya 77mm Ultra Violet Super Multi Coated Glass Filter, model no. X77UV, for $449. (The UV filter is added to your cart automatically.) Coupon code "loyalty15" drops it to $434. With free shipping, that's $65 below the lowest total price we could find for these items elsewhere. The lens features six groups, eight elements lens construction, 1.7.4x magnification, and more.