Benefits

• Superb image quality with prime-lens performance in a standard zoom
• Constant f/2 maximum aperture guarantees extensive control over depth of field - perfect for portrait and wedding photographers
• Shoot wide open in low light, for a fast shutter speed that freezes movement
• This lens features four aspherical elements, a pair of UD (Ultra-low Dispersion) elements and a Super UD element
• Reduce ghosting and flare with advanced SWC and ASC lens coatings
• Fluorine coatings on the front and rear elements prevent dust and dirt from sticking to the lens
• A customisable control ring on the lens barrel allows for quick and easy adjustment of settings without taking your eye away from the camera.
• The built-in Ultra-sonic Motor (USM) ensures fast, silent autofocus with full-time manual override.
• Part of Canon's professional L-series flagship range, it's designed for demanding use and is sealed against dust and moisture