Back نظام كاسر عاكس Arabic Oxetivu catadióptrico AST Sistema catadiòptric Catalan Zrcadlový objektiv Czech Katadioptrisk optik Danish Spiegellinsenobjektiv German Objetivo catadióptrico Spanish Sistema katadioptriko Basque لنز آیینهای Persian Katadioptrinen objektiivi Finnish
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A catadioptric optical system is one where refraction and reflection are combined in an optical system, usually via lenses (dioptrics) and curved mirrors (catoptrics). Catadioptric combinations are used in focusing systems such as searchlights, headlamps, early lighthouse focusing systems, optical telescopes, microscopes, and telephoto lenses. Other optical systems that use lenses and mirrors are also referred to as "catadioptric", such as surveillance catadioptric sensors.