It can conveniently attached to the front of lens and allows you a wider of view, taking wide-angle photography Design 0.45X wide-angle lens with portion, for cameras & camcorders with 58mm size lens filter thread Constructed with multi-coated optical glass, water-proof, oil-proof, providing you clear, high-resolution images with minimal distortion and for glare Wide application, lens is perfect for microcosmic such as jewelry, circuit board,, for butterfly, flowers, files, stamps, antiques, parts Housing frame part is magnesium-aluminum alloy, which has high strength, good toughness, and durability