This paper analyzes the optical characteristics of the filter as a plane-parallel plate glass, and discusses the influence of the filter on the optimal focal plane position of the system according to the nature of the backward focus position, and proposes a large field of view space remote sensor sub-field of view The fixed focus scheme; through analyzing the working principle of the splicing instrument, the influence of the filter on the distance measurement of the splicing instrument is discussed, and the precautions of the mixed splicing of a variety of different filter detectors are studied, and a variety of detector confocal surfaces are obtained The calculation formula of splicing optical path difference, a variety of detectors hybrid splicing confocal surface scheme is proposed.
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