Where precision meets performance, the Sigma Tc-1401 1.4x Tele-Converter Af for Canon Eos Lenses stands out as a high-quality, durable, and versatile accessory for photography enthusiasts. This compact teleconverter is equipped with a Special Low Dispersion (Sld) glass element, designed to maximize image quality by reducing chromatic aberration and enhancing overall image sharpness. As part of Sigma's Global Vision series, the Tc-1401 teleconverter boasts a splash and dust-proof construction, ensuring long-lasting durability even in challenging weather conditions. This feature makes it an ideal companion for outdoor photography sessions, providing reliable performance over time. Designed exclusively for Global Vision lenses, the Sigma Tc-1401 ensures optimal compatibility, even with large diameter lenses. This compatibility extends specifically to Canon Eos lenses, making it a valuable addition to any Canon Eos camera kit. With effective autofocus at F8 and a 1.