Canon EF 70-200mm f/4L IS USM Lens

Highlight: EF-Mount Lens/Full-Frame Format Aperture Range f/4 to f/32 One Fluorite Element and Two UD Elements Super Spectra Coating Ring-Type Ultrasonic Motor AF System Optical Image Stabilizer Internal Focus, Focus Range Limiter Weather-Sealed Construction Rounded 8-Blade Diaphragm The EF 70-200mm f/4L IS USM is a Canon L-series lens spanning a useful portrait-length to medium telephoto range. The constant f/4 maximum aperture allows you to maintain a consistent exposure throughout the zoom range and also contributes to the sleeker form factor when compared to other 70-200mm lenses. In regard to its optical performance, this lens employs one fluorite element and two ultra-low dispersion elements, which work in concert to suppress chromatic aberrations and color fringing for notable clarity and color accuracy. A Super Spectra coating has also been applied to control flare and ghosting for improved contrast when working in harsh lighting. Complementing the imaging capabilities, th