无色光学玻璃B270
牌号厚度λtj(nm)λo(nm) Tλo(%) K
B270 1-5 310±10 400≥89.5≥1.0
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<img src="https://img-i-album.toocle.com/view/2024/08/08/b2/66b45f047ebb2.jpg" style="max-width:100%;"/>
