The Sigma 100-400mm f/5-6.3 DG DN OS Contemporary lens, designed for the Leica L-mount, offers versatility in a telephoto zoom lens, blending a handheld-friendly design with commendable optical performance. Featuring a four-stop-effective optical image stabilization system, it effectively minimizes the impact of camera shake, enhancing the sharpness of handheld shots. Additionally, this 100-400mm lens is compatible with the optional TS-111 Tripod Socket, providing stability for shooting atop a tripod or monopod, further expanding its flexibility in various shooting scenarios.