it's the canon macro lens ef 100mm 1:2.8L is usm
http://www.thecamerastore.com/3014-C...ro-IS-USM.aspx
it's definitely fun to use. the probem i find is that it often reminds me how badly i need to dust!! ha! ha!
i'm hoping to play around more with the lighting & angle of those previous pics... but unfortunately 'work calls'