I am not really good at lens reviews but i decided to try this one out anyways just because Canon have probably made their most fun lens ever.
Its a Fisheye lens, not something that i would have bought a few months back, simply coz i was happy with the gear i already owned. it was only until i managed to see a few shots taken with the Fisheye lens and the positive reviews given by Kai, presenter on Digital Rev Tv( a hardcore Nikon fanboy praising canon lens?) i decided to dig into my savings and buy this piece of expensive glass.
Build Quality : its an L series lens. that means it has all the awesomeness of an L lens, Canon's flagship series of top of the line quality products. its small in size, and its also a bit plasticy, but its made from some very strong plastic. and its weather sealed.... so take it out anywhere , anytime... just dont try going underwater, coz that will be plain stupid.