Canon EF 17-40mm F4 L USM lens. Zoom function works perfectly, and both autofocus and manual focus work correctly; autofocus is fast and accurate. The lens elements are in excellent condition, with no scratches, mold, or visible dust. Please see detailed images. The lens has minor signs of use, but its overall appearance is like new. Please see the images; they are part of the description. Includes: Lens cap, original lens hood. Ships via Austrian Post or DPD, with tracking number provided.