BuyDig offers the Sigma 50mm f/1.4 EX DG HSM Lens for Canon, model no. 310101, with a Zeikos 77mm UV Protective Filter, model no. ZE-UV77, for the in-cart price of $369. (Add the lens to your cart; the filter will be added automatically.) Apply coupon code "NewYearSave10" to drop it to $359. With free shipping, that's the lowest total price we could find for the lens alone by $80, although we saw it by itself for $10 less last month (since expired). It features a 17.7" minimum focal distance, hyper sonic motor (HSM), and more. Deal ends January 31.