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

The Canon 16-35mm f4L IS USM is a Canon L-series lens distinguished by its constant f/4 maximum aperture, sophisticated optical design, and use of image stabilization to realize sharp imagery. Two ultra-low dispersion elements are used to greatly reduce color fringing and chromatic aberrations throughout the zoom range for high clarity and color accuracy, and a Super Spectra coating has also been applie F4d to suppress flare and ghosting for improved contrast.

• EF-Mount Lens/Full-Frame Format
• Aperture Range: f/4 to f/22
• Two Ultra-Low Dispersion Elements
• Three Aspherical Elements
• Super Spectra and Fluorine Coatings
• Ring-Type Ultrasonic Motor AF System
• Optical Image Stabilizer
• Weather-Sealed Construction
• Rounded 9-Blade Diaphragm