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Precision AR-coating Achromatic Glass Lenses For Color-corrected BinocularsPrecision AR-coating Achromatic Glass Lenses For Color-corrected Binoculars Material: Achromatic Doublet: Precisely bonded pair of optical glass elements. Crown Glass (Low Dispersion): Typically types like BK7, ... Read More
2025-06-08 14:25:08
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