Hi
This is a great versatile wide angle lens Canon EF 16-35mm f/2.8L II USM and one i frequently use.
http://www.canon.co.uk/For%5FHome/Pr...8L%5FII%5FUSM/
Also a good Macro lens Canon EF 100mm f/2.8 Macro USM
http://www.canon.co.uk/For%5FHome/Pr...5FMacro%5FUSM/