high-performance optical glass, high transmittance, advanced coating technology, make your images wider and clearer, and make your images colorful The metal outer layer, hard and wear-resistant, corrosion-proof, pollution-resistant and Easily detachable macro lens for close-up shots such as: collections, stamps, cones, documents, or flowers This 0.35X professional conversion lens has high-defination optical resolution, install this lens on your camera and it will instantly double your zooming, giving you wider field of view for wide-angle photography Design 0.35X wide-angle fisheye lens with macro portion, cameras & camcorders with 58mm size lens filter thread