After careful design and innovation, we present the 100-400mm f/5-6.3 Dg Dn Os Contemporary Lens for Leica L. This high-quality, durable lens offers a remarkable optical performance, packed into a compact and lightweight body, making it ideal for field photography and videography. Designed exclusively for full-frame mirrorless cameras, this lens boasts an ultra-telephoto zoom that provides a fresh perspective to everyday scenes. Its state-of-the-art optical design technology ensures edge-to-edge high-resolution and high-contrast image quality throughout its entire focal range. This lens achieves high image quality, rivaling that of standard zoom lenses such as the Sigma 24-70mm F2.8 Dg Dn | Art, ensuring a perfect match while shooting.The Sigma 100-400mm F5-6.3 Dg Dn Os | Contemporary lens is built with 16 groups and 22 elements, including one Fld and four SLDs, for effective correction of aberrations and distortions.