BuyDig via eBay offers the Canon EF 50mm f/1.4 USM Autofocus Camera Lens, model no. 2515A003, for the in-cart price of $299.99 with free shipping. That's the lowest total price we could find by $39, although we saw it bundled with a filter for $12 less in May. This 10.2-oz. lens can be used with Canon EF-mount SLR cameras. Deal ends October 8 at 10:59 am ET.