http://www.nikonchat.com/nikkor-50mm-1-8-af-s/
"I can use Nikon lenses on Canon cameras?
I'm buying a primary objective and I am thinking about Canon EF 50 mm f / 1.8 II AF-S 50 mm f / 1.8 G Nikkor. I know I should not go. "I can use Nikon lenses Canon EOS 500D Nikon if I get one?
Actually, no Yes, you can buy an adapter to connect a Nikkor lens of a Canon camera, but you lose all the auto-features are digital SLR cameras, auto focus and accurate meter readings light and control the lens aperture to control the cameras have chosen a Canon system, so stick with Canon accessories.
nikon 50mm f/1.8G AF-S NIKKOR Lens for nikon digital slr Cam
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