Light filter apparatus of an image scanning device

摘要

A light filter apparatus of an image scanning device is provided. The light filter apparatus is a frame of a spindle-like shape. The frame comprises a connecting sleeve at both ends and a plurality of axial-symmetrical sub-frames each of which accommodates a light filter film. The sub-frame has two inwardly converging ends connected with the connecting sleeves respectively. The sub-frame has a slot for receiving the light filter film.