Constructed with 14 Elements in 12 Groups and an aspherical glass lens element, the Canon EF USM delivers excellent quality images. Offering 35 mm-135 mm focal length and built with an USM, this Canon lens makes focusing silent and quick. With 0.75 m being the closest focusing distance, this camera lens makes it convenient for you to zoom on the details. This Canon lens features f/4.0 minimum aperture, making way for optimum brightness in the images. The 5-bladed diaphragm of this camera lens aids in obtaining images with an excellent background blur. Get the Canon EF USM for your canon camera and click some professional quality pictures.