The Canon 16-35mm is the widest zoom lens that Canon offer without image distortion ( bowing ). It features an aperture of F2.8 throughout the zoom range and when accompanied by the Canon 24-70mm and Canon 70-200mm lenses, provides you with everything you need from a lens set.

Techie Stuff
Mount: EF
Focal Length: 16-35mm
F-Stop: 2.8
Servo: No
Image Stabilised: No
Weight: 790g