Triple your view with this high-grade lens. It offers unmatched ease of use, making it the accessory of choice for reducing distortion and boosting image detail in a telephoto format. 3.0x telephoto converter. Lens Design: 4 groups, 4 elements. High grade lens in aluminum housing for superb durability. High grade lens offers twice the detail at the edge of an image. Made In Japan. Black Finish. Included are a carrying case, lens caps and 5 adapter rings 37, 46, 49, 55 & 58mm.