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BSA25-75X70观景镜 观鸟镜 性能参数: 物镜:70mm 镀膜:多层宽带膜 棱镜:bk4 放大倍数:25X-75X 出瞳直径:2.8-0.9 出瞳距离:16mm-14mm 最近调焦距离:6.5m 视场范围:33m/1000m-16m/1000m 防水充氮 ...
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