Development of a Lens Assembly for a Microsatellite Camera with Ritchey-Chrétien Configuration

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This work describes the design of a catadioptric lens assembly for a high-resolution Ritchey-Chrétien camera, expanding the field of view while correcting aberrations. The study includes athermalization strategies and precision manufacturing techniques to ensure dimensional stability under orbital thermal fluctuations. These efforts facilitate the integration of high-resolution push-broom imaging payloads onto microsatellite platforms.