Canon 70-200mm F2.8 Is Ii Usm

The EF 70-200mm f/2.8L IS II USM is a workhorse telephoto zoom lens designed for professional use. It has a rugged durable design, a four-stop Image Stabilizer and specialised lens elements.
Benefits
High-performance, L-series telephoto zoom lens
Constant maximum aperture of f/2.8
Four-stop Image Stabilizer
Fluorite and UD lens elements
Improved durability
1.2m minimum focussing
Water and dust resistant
Ring type USM AF motor