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