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本发明提供的变焦透镜系统有一个杂光光阑,用它限制在不同条件下产生的杂光。当变焦时,移动杂光光阑,不会引起光强不足,杂光光阑的移动与透镜组移动无关。
The zoom lens system provided by the present invention has a stray light aperture which limits the stray light generated under different conditions. When zooming, moving the stray stop does not cause insufficient light intensity, and the stray stop does not move with the lens group.