“Visible light cameras are the most widely used optical payloads in aviation optoelectronic platforms. Their working environment is complex and varied, and automatic focusing function is one of the key factors to ensure their imaging quality. This article introduces their research progress in the field of aviation optoelectronics. The team has established an automatic focusing system and explored the topic of improving image clarity evaluation algorithms, providing a solution for real-time imaging of optoelectronic platforms.”