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an illustration from Physics for Entertainment by Yakov Isidorovich Perelman from archive.org 双目 镜头 光纤 双筒望远镜顶视图
ai vector format! photographic lights, binoculars, hydrogen-…… Photographic lights, binoculars 摄影 光 双目 摄影灯、 双筒望远镜
sign black icon map symbols telescope road land binoculars reverse binocular closer Binoculars clip art 双目 双筒望远镜剪贴画