11 December 1984 A Microprocessor-Controlled Autofocus System
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An operational autofocus system, which directly senses deviations in back focal distance of the camera lens and restores the camera to a best-available focus, has been successfully employed in long focal length reconnaissance cameras. This microprocessor-based system entails the use of internal optical elements to dynamically measure and adjust the back focal length to continuously maintain a best focus position.
© (1984) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Frank Palazzo, "A Microprocessor-Controlled Autofocus System", Proc. SPIE 0496, Airborne Reconnaissance VIII, (11 December 1984); doi: 10.1117/12.944418; https://doi.org/10.1117/12.944418


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