Abstract

Peculiarities of the optical layout configuration of a periscope-type objective based on wedge-shaped prisms with free-form surfaces are considered. Guidelines on the correction of aberrations of the initial optical system and control of ray incidence angles on the prism surfaces in the areas where ray reflection and refraction zones overlap are formulated. The effectiveness of these guidelines is demonstrated by calculation of a compact periscope-type objective operating in a spectral interval spanning visible and near-infrared ranges. Elements of the optical layout of the objective are fabricated using advanced commercially available types of plastic.

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