CANON ET EF12 I & II

Canon ET EF12 I & II Stackable extension tubes for macro photography, version I and version II in mint condition. Comes with one body cap and one end cap. From Canon: They're perfectly compatible with all previous EF and TS-E lenses, and will work with any EOS film or Digital SLR. Note that exposure compensation is often required with cameras other than the EOS-1 Series.
12mm fully coupled Extension Tube for EOS cameras and most lenses * Version II extension tubes are the only tubes compatible with EF-S 18-55mm lens * White index mount is for EF-S lenses ; Red dot is for use with EF and TS-E lenses * EF 12 II Extension Tube is especially suited for close-focusing with Wide-Angle lenses * Extension tubes work well with telephotos to allow closer focus than normally possible * Manual focusing is recommended, and with zoom lenses, focus after zooming is completed