Canon EF 300mm f/4L IS USM
Long-distance problem solver: Action and distance. two photographic challenges that become even trickier when combined. It's good news that this EF 300mm f/4 image-stabilizing lens is here to help you reach across space and capture motion-freezing shots With its fast, light-gathering f/4 maximum aperture and nimble image-stabilization technology, it provides a level of performance seldom found in a lens of its size and weight. This lens has all of the precision optical technology you've come to expect from Canon.