Purchased Nikon Lens to Canon Body Adapter on eBay. The only reason I spent $10.60 on this was that my brother-in-law owns Nikon camera and I wanted to use his Nikon 50mm f/1.4. Canon Kit Lens I got with my EOS 7D is f/3.5 and I definitely need faster lens for shallower depth-of-field. Not having the money to buy fast prime Canon lens, I will have to be borrowing my brother-in-law's lens for the..