Core Viewpoint - Xiaomi's founder and CEO Lei Jun introduced the Xiaomi 17 Ultra, highlighting its Leica 200 million pixel optical zoom capabilities, which are based on traditional camera zoom lens technology [1] Group 1: Product Features - The Xiaomi 17 Ultra features Leica's 200 million pixel optical zoom, supporting full 200 million pixel optical output throughout the zoom range [1] - The device includes four major portrait focal lengths, all covered by a single lens [1]