This reversing ring allows you to mount a 58mm(Female) front threaded lens in reverse on a lens mount camera. Recommended for use with standard (58mm) lenses.Reversing the lens greatly increases the macro reproduction capabilities. Material: Metal Color: black Male thread: 58mm Male thread: 58mm We carry many camera, camcorder accessories like battery, charger, cable, lens cover, filter etc. - We specialize in Electronics, Computer, Cell Phone, Camera, Professional Signal Conversion Devices, Networking, Security, TV Mount, Adapter, Cables and other Accessories Pickup Location: "Cable Link" Tel: 613-680-6188