Multiband Calibration Filters

V-10 and V-30 contain neodymium, and HY-1, holmium. All three filters exhibit outstanding absorption at specific wavelength. The filters are used for wavelength calibration and V-10 as a dual-color-type filter.

V-10 2% Checking wavelength calibration 2.5 mm

V-30 0.1% Checking wavelength calibration 2.5 mm

HY-1 5% Checking wavelength calibration 2.5 mm

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