Get incredibly close by reversing one lens and coupling it with another. A coupling ring has threads on both ends so that two lenses can be joined together at their filter mounts.
Expand the potential of your lenses (recent and old) simply by turning it around and attaching to your EOS with a reversing ring.
Digital King converters are designed to work with EF-S 18-55mm zoom lens and offer a relatively inexpensive method of extending the wide-angle capabilities of this popular kit lens. They attach to the front of the lens using the 58mm filter mount. A great way of accessing wide angle with your kit lens.
A set of four close-up lenses which will increase the magnification power of your lenses, ideal for close-up and macro work. Can be used individually or stacked together to multiply the effect.
Attach your EF and EF-S lenses to your EOS M-series compact system camera with this purpose-made lens mount adapter from Canon.