The Canon EF 17-40mm f/4L Ultra Wide Angle Zoom Lens in black is a high-quality lens designed for Canon cameras. With a maximum aperture of f/4 and a focal length range of 17-40mm, this lens offers versatility for various photography needs. It features both auto and manual focus options, making it suitable for a range of shooting styles. Constructed with durable plastic exterior material, this Canon EF lens is lightweight at 1.9lbs. and is compatible with 77mm filters. Ideal for landscape, architecture, and interior photography, this Canon EF lens is a reliable option for photographers looking to expand their creative capabilities.