双筒望远镜
双筒望远镜（binoculars；field glasses；或直接简称双筒镜）是奈两个相同个或者镜像对称个望远镜并排连拉一个架子上让渠拉始终对准同一方向而做成个望远镜。使用者可以透过渠同时以双眼观察远处景象。双筒望远镜比单筒望远镜提供更高个深度搭距离感。双筒镜也可以由两个短个折射望远镜组合，用拉观看遥远个目标。
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