Canon EF 16-35mm f/4L IS USM Lens

The Canon EF 16-35mm f/4L IS USM Lens is a wide-angle zoom lens featuring a constant f/4 maximum aperture to provide consistent performance throughout the zoom range. The optical design incorporates three aspherical elements, including one large-diameter aspherical element, as well as two UD (Ultra-low Dispersion) elements to minimize chromatic aberrations and contribute to high edge-to-edge sharpness and resolution. {Key Features} - EF Mount L-Series Lens - Aperture Range: f/4 to f/22 - Optical Image Stabilizer - Two UD and Three Aspherical Elements - Fluorine Coating - Internal Focusing Ring-Type USM AF Motor - Full-Time Manual Focus Override - Water- and Dust-Resistant with Filter - Nine-Blade Circular Aperture - Minimum Focusing Distance: 11 inches {Overview} A fluorine coating has also been applied to the front and rear lens surfaces to reduce flare and ghosting for maintained color neutrality and image contrast. Benefitting working in difficult lighting conditions, an Optical