This updated version II is fully compatible with Canon Digital EF-S lenses, as well as the standard photo EF and TS-E lenses. It shortens the focusing distance of the lens. There is a white-index mark provided for digital SLR EF-S lenses and a red mark provided for photo lenses.
The Extension Tube EF 25 II is for use with lenses with a focal lenght of 50mm and up (An EF-S 18-55mm lens can be used at middle and tele zoom settings).
Item includes a lens cap.