The EF 400mm f/2.8L IS II USM Lens from Canon is the perfect choice for nature, wildlife and sports photographers.
the three mode Optical Image Stabilization allows you to shoot at
shutter speeds 4 stops slower, and the advanced third IS mode activates
only when the shutter button is fully pressed, so you can pan with
fast-moving subjects without the IS function interfering with
composition and framing. An ultrasonic autofocus motor (USM) enables
smooth, fast and quiet autofocus and a Power Focus mode allows smooth
focus change which is especially important while shooting video. A focus
preset function allows you to store focusing positions and return to
them in an instant when needed. An AF stop button will pause autofocus
with just a touch and manual focus override allows precise manual focus
even in AF mode.
Image sharpness is enhanced with fluorite optics
that deliver reduced chromatic aberration and SWC (SubWavelength
structure Coating) reduces flare and ghosting. A circular aperture
design helps to produce pleasing out of focus areas.
water sealing keeps the lens functioning even in less than ideal
conditions and magnesium and titanium construction elements reduce its
weight. Fluorine coating on the front and rear lens surfaces allows dirt
to be removed easily and an attachment slot is provided for a wire-type
security lock. The EF 400mm f/2.8L is compatible with Canon's EF1.4x
III and EF2x III extenders and this lens includes a lens hood, 52mm
drop-in gelatin filter holder, a detachable tripod collar and a hard