Canon EF 70-200 2.8 USM

-High speed AF performance - even faster than the EF 70-200 2.8L .
-New high performance Image Stabilizer - effect equivalent to 3 stops compensation .
-High level dust and moisture resistance - designed for use in harsh conditions .
-4 UD lenses for high image quality - reduces residual chromatic aberration .
-Telephoto Zoom Lenses.
Offering improved performance in many areas over its predecessor, the EF 70-200 2.8L USM, this new lens features Image Stabilizer technology, improved autofocus performance and high levels of dust and moisture resistance. The new lens, with its enhanced performance and Image Stabilizer technology, is sure to set the benchmark for professional level telephoto zoom lenses.
-L-series lens design offers exceptional optical performance and low distortion throughout the zoom range utilising 4 UD elements and Super Spectra Coating in the optical system. Inner focus design with Ultrasonic Motor (USM), improved electronics and AF algorithm delivers further enhanced Autofocus performance and virtually silent operation. The 8-blade circular aperture generates attractive background defocus.
-Newly developed compact, high performance Image Stabilizer system offers up to 3 stops of compensation - effectively reducing camera shake at slower shutter speeds. Specially designed moisture and dust protection in the mount area, switch panel, zoom ring and focussing ring prevents water and dust penetration in extreme conditions.