Canon EF 24-105mm f/4.0L IS USM
The L-class lenses are Canonƒ??s flagship professional range of lenses. Dust and moisture resistant combined with impecable performance capabilities, this lens is designed to give you the absolute best image quality a lens can offer.;Constant Maximum Aperture;Shoot through the entire lens focal range at a constant aperture speed of f/4. Shutter speeds will not change as the lens is zoomed.;Image Stabilisation;Canonƒ??s IS system allows you to take shots at shutter speeds up to three times slower, without experiencing motion blur or camera shake artifacts.;Ultrasonic Focusing;A ring-type ultrasonic motor drives the lenses autofocus. Not only is it extremely fast, but the motor holds torque to ensure the point of focus is reached accurately without overshooting. Full-time manual override is also available, without having to leave AF mode.