Infiray Iray Tube Night Vision Scope TF50L. Model TD50L. InfiRay TUBE Night Vision Scope, 1440 1080, 50Hz, 50mm lens. Compared with normal integrally multiple zoom-in, TD50L allows users to zoom continuously and gradually from 4x to 16x where is a customized field of view and smooth zoom of screen display can be enjoyed.
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