Fujifilm FinePix X100 10x High Definition 2 Element Close-Up (Macro) Lens (Includes Filter Adapter Ring 49mm) - (52mm w /Stepping Ring 49-52mm)

Close-up lenses are for quick and easy close-up photography. The close-up lens is screwed on to the front of a lens like a filter. This lens has two achromatic elements to correct chromatic aberrations. They do not degrade the high optical performance resulting from your cameras natural lens.