Product Highlights : - EF-Mount Lens/Full-Frame Format - Aperture Range: f/2.8 to 22 - Fluorine and BBAR Coatings - Optimized Silent Drive AF Motor - TAP-in Console Compatible - Leak-Proof Lens Seals - Rounded 7-Blade Diaphragm
17-35mm focal length is ideal for a variety of scenes. Bright maximum aperture of f/2.8 works well in low light. Optimized Silent Drive AF motor ensures quick, quiet, accurate autofocus. Coatings on lens elements help reduce ghosting, flare, and aberrations that are common in wide-angle lenses. Front lens element is resistant to water and oil and the entire lens is sealed for outdoor use. TAP-in Console compatibility lets you easily update firmware and perform other customizations.