海大 偏振镜 67mm 科研专用

评测依据

• review_count：2800
• rating_avg：4.6
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• time_range：{"from":"2026-06-26 02:41:55","to":"2026-06-26 02:41:55"}
• intros：{"brand_intro":"海大（Haida）创立于2009年，是国内知名光学滤镜制造商，产品涵盖UV、偏振、ND等全系列。公司拥有万级无尘车间和精密镀膜设备，为科研院所提供定制化光学解决方案。海大滤镜以\"高清晰、低色差\"闻名，多次获得中国光学学会推荐。","product_intro":"专为科研显微镜和工业相机设计的线性偏振镜，采用日本AGC光学玻璃，双面多层镀膜，透光率≥98%。镜片厚度仅2.5mm，超薄设计适配高倍物镜。内置防反射螺纹，有效抑制杂散光。附带校准证书，适合定量偏振测量。","key_specs":{"口径":"67mm","透光率":"≥98%","偏振效率":">99%","镀膜":"双面多层AR+防水","厚度":"2.5mm","适用场景":"显微镜偏振、材料检测"}}
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