Az endoszkóp a vizuális lánc fontos része. Tisztán optikai rendszer, amely a testüreg képét üvegszállencse-rendszeren keresztül vezeti a kamera érzékelõjére. Ezen túlmenõen az endoszkóp továbbítja a fényt is a testüregbe. A modern endoszkópok autoklávban vegyileg fertõtleníthetõk. A törékeny lencsék védelme érdekében speciális kialakítású optikai tálcák kaphatók.
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