This Canon Ultrasonic EF 28-135mm f/3.5-5.6 IS Macro Image Stabilizer is a versatile zoom lens that is compatible with Canon EF mounts. It has a maximum aperture of f/3.5-5.6 and a focus type that is both auto and manual. This makes it ideal for capturing high-quality images and videos in various settings.

With a length of 4.5 inches, a height of 4.5 inches, and a width of 3 inches, this unit is lightweight and easy to carry around. It also comes with a compatible lens front of 72mm and a compatible filter size of 72mm. The lens was manufactured in the 2000s and is made of plastic. This Canon EF 28-135mm lens is a great addition to any camera kit for photographers looking to capture stunning images.