Core Insights - The new generation of domestically produced extravehicular space suit cameras developed by the Xi'an Institute of Optics and Precision Mechanics of the Chinese Academy of Sciences has been successfully applied in the Shenzhou 21 mission, marking a significant advancement in China's extravehicular imaging technology [1] Group 1: Technology Development - The new extravehicular space suit camera utilizes entirely domestic image sensors and video compression chips, achieving 1080P high-definition recording and real-time ground transmission while significantly reducing power consumption [1] - The optical system of the camera employs aspheric lenses, which greatly reduces the size, weight, and power consumption compared to earlier models, making it more suitable for long-duration and high-intensity extravehicular operations [1] Group 2: Operational Achievements - The high-definition camera assisted astronauts in completing several critical tasks, including inspecting the Shenzhou 20 return capsule's porthole, installing space debris protection devices, and replacing the temperature control adapter's multi-layer cover [1] - The camera operated continuously and stably for over 8 hours, providing real-time high-definition live broadcasts of the extravehicular operations, laying a technical foundation for future extravehicular tasks during the operation phase of China's space station [1]