Diffraction-limited step-zoom telescope by image restoration.

Abstract

The design of a step-zoom telescope and its ability to achieve a diffraction-limited performance is explored. The basic idea is to include digital postprocessing to compensate for changes in the modulation transfer function of the system, assuming the knowledge of the range to the object. The instrument is conformed of a two-mirror telescope, two lenses… (More)
DOI: 10.1364/AO.54.009462

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