Canon EF 16-35mm f/2.8L II USM Autofocus Lens

I chose this lens as my first wide angle for everything from videos, group photos, night sky and landscape shots and more.

It's also great in low light with it's f/2.8.

Digital Picture Review:
http://www.the-digital-picture.com/Reviews/Canon-EF-16-35mm-f-2.8-L-II-USM-Lens-Review.aspx