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天文
Light Pollution Filter
Coating specifications
Tmax<0.7% / 200-455nm
Tmax<0.7% / 560-628nm
Tmax<0.6% / 728-800nm
Tmax<0.9% / 810-895nm
T50% 472 ± 5nm
T50% 537.5 ± 5nm
T50% 648 ± 5nm
T50% 697 ± 6nm
T>90% / 481-529.5nm
Tave<0.1% / 200-455nm
Tave<0.45% / 560-628nm
Tave<0.35% / 728-800nm
Tave<0.7% / 810-895nm
T10%-90% / Slope<12nm
T90%-10% / Slope<12nm
T10%-90% / Slope<14nm
T90%-10% / Slope<19nm
T>90% / 657.5-685nm
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