SOLVED: The actual analysis and measurement of light is done by a to permit wavelength determinations it must pesfoone two taskctrometer: Fora spectrometer tasks: Resolve (separate) the incoming light into component colors.
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Diffraction - Wikipedia
Slit lamp biomicroscope
Applied Sciences | Free Full-Text | Design of a High-Performance Digital Slit-Lamp Microscope with Five-Switched Zoom
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