Visible Absorbance References

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Visible Absorbance References

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Metal-on-Quartz Neutral Density Filters (250 – 635 nm)
Starna Green Broadband References (250 – 650 nm)
Combined Holmium/Neutral Density Glass (360 – 640 nm)
Combined Didymium/Neutral Density Glass (430 – 890 nm)
Neutral Density Filters (440 – 635 nm)
Metal-on-Quartz Neutral Density Filters (250 – 635 nm)
Starna Green Broadband References (250 – 650 nm)
Combined Holmium/Neutral Density Glass (360 – 640 nm)
Combined Didymium/Neutral Density Glass (430 – 890 nm)
Neutral Density Filters (440 – 635 nm)

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