Capture wide, dramatic perspectives with the Canon EF 17-40mm f/4L USM Lens, a professional-grade ultra-wide-angle zoom lens built for Canon full-frame and APS-C DSLR cameras. Part of Canon's elite L-series, this lens delivers exceptional image quality, fast and accurate ring-type Ultrasonic Motor (USM) autofocus, and superior optical performance across the entire zoom range—perfect for landscapes, architecture, interiors, and travel photography. With a constant f/4 aperture, this lens ensures consistent exposure while maintaining a lightweight, weather-sealed build for reliable outdoor use. Sharpness and color fidelity are excellent, while the 17–40mm focal range offers both expansive ultra-wide views and versatile mid-range framing on crop-sensor bodies (approx. 27–64mm equivalent). This 9-piece accessory bundle enhances your creative control and lens protection. It includes a 3-piece filter kit (UV, CPL, FLD) for managing glare, reflections, and lighting conditions, and a 4-piece close-up macro filter set (+1, +2, +4, +10) for stunning detail at short distances. Also included are a lens cap keeper and cleaning cloth to keep your gear safe and clean on the go. Whether you're a hobbyist or professional, this Canon EF 17-40mm f/4L lens bundle delivers premium optics and essential tools to take your photography to the next level.