O endoscópio é uma parte importante da cadeia visual. É um sistema puramente ótico, que transmite a imagem do cavidade do corpo para a câmera através de um sistema de lente. Além disso, o endoscópio transporta luz na cavidade do corpo. Endoscópios modernos podem ser autoclavados. Para a proteção das lentes frágeis são concebidas bandejas de óticas.
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