The Krüss Hand-held Spectroscope features a variable, precision slit for outstanding, crisp, clear spectra. It has a built-in wavelength scale for readings from 400 to 700nm
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The Krüss Hand-held Spectroscope features a variable, precision slit for outstanding, crisp, clear spectra. It has a built-in wavelength scale for readings from 400 to 700nm
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