Part of the Canon L (luxury)-series lenses, the Canon EF 800mm telephoto lens delivers extremely high telephoto performance. Offering a long focal length of 800mm, it effectively pulls distant scenery closer towards the camera and will undoubtedly aid professionals working in the field of sports and news photography. Equipped with high performance image stabiliser, it effectively boosts clarity while at high zooms. The inner focusing system of the lens is driven by a silent and powerful ring-type ultra-sonic monitor, this helps bring subjects quickly into focus while the lens overall length never changes during focus. Optical systems utilizing special optical materials such as fluorite help correct chromatic aberrations, this makes possible high-resolution, high-contrast shooting performance.