The Canon EF 35mm f/1-4 L II USM Lens is an L-series prime wide-angle lens featuring Blue Spectrum Refractive Optics and a maximum aperture of f/1-4, making it ideal for shooting in low-light situations and for controlling depth of field- Two aspherical elements and one Ultra Low Dispersion (UD) element combine with the BR element to control chromatic aberrations and color fringing for increased clarity and sharpness- A Subwavelength Coating has also been applied to reduce ghosting and lens flare for greater color accuracy and contrast- The Ultrasonic autofocus motor (USM) provides fast and near-silent AF operation- Full time manual focus override enables precise manual focus even when in AF mode- {Key Features} - EF Mount L-Series Lens/Full-Frame Format - Aperture Range: f/1-4-22 - Blue Spectrum Refractive Optics - Two Aspherical Elements, One UD Element - Subwavelength and Fluorine Coatings - Ultrasonic Autofocus Motor - Full-Time Manual Focus Override - Weather-Sealed Design - Rounded 9-Blade Diaphragm {Box Contents} - Canon EF 35mm f/1-4L II USM Lens - E-72 II 72mm Lens Cap - Lens Dust Cap E (Rear) - LP1219 Soft Lens Case - EW-77B Lens Hood