Product name: 52mm 2.0X teleconverter lens Product color: black Product material: aluminum-magnesium alloy + optical glass + coating Interface diameter: 52MM Front diameter: 62MM Multiple Rate: 2.0 Structure Structure: two sets of two pieces Package Package: original factory protective bag, front and rear lens caps, original factory packaging Product Introduction: This product is made of high-performance optical glass, suitable for all mainstream brands of digital cameras and digital video cameras, with no vignetting design, advanced coating technology to bring high transmittance, the inner wall of the lens barrel and the edge of the lens are painted black To prevent reflection, the lens barrel is made of high-quality aluminum, and the outer surface is all finely anodized. The metal outer layer is hard and wear-resistant, moisture-proof, corrosion-resistant, and pollution-resistant. The lens is made of environmentally friendly glass, and the quality is strictly monitored in each process such as coating and polishing. The lenses from polishing to final coating are carefully developed by experienced technicians, so that the lens quality can reach a perfect state, making users more comfortable, creating more distinctive image effects, and bringing you more shooting options and fun. After the product is manufactured, it will be released for sale after rigorous quality testing and inspection. High optical quality, special double-sided coating and partial multi-layer coating are prepared to reduce halo, reduce dispersion, and effectively prevent reflected light from the lens surface and external halo. Efficacy, the lens is of high quality and has high resolution, which makes the images you shoot wider and clearer, and makes your imaging colorful.