This Canon EF 17-40mm f/4L ultra wide angle zoom lens is a high-quality accessory for Canon cameras. It is compatible with Canon EF mount and has a maximum aperture of f/4. The lens comes with a UV filter, hood, and bag to protect it during transport. With a focal length of 17-40mm and a focus type of auto and manual, this lens is perfect for capturing wide-angle shots. It is made of durable plastic and weighs only 1.9lbs. Compatible with 77mm lens front and filter size, this zoom lens is perfect for any Canon enthusiast.