Motionless zoom lens

   
   

Systems and methods are disclosed herein to provide zoom lenses. For example, in accordance with an embodiment of the present invention, a zoom lens is provided with a tunable lens. The focal length of the zoom lens may be varied without mechanically moving or changing the separation between one or more lens components.

 
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> Stereo optical system pair for stereo endoscope system

> Zoom lens

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