中性暗色玻璃
曲线依据原厂样本手工描点还原,仅供选型参考,最终以实测报告为准。
五机部
AB5
苏联(原)
HC7
SCHOTT
NG11
HOYA
ND-50
色度值 (x, y, Y)
Re-digitized against the clean sequential-page scan; curve reads genuinely ~0% from 200-290nm (UV cutoff) rising to ~58% at the 2500nm right edge.