4.1 stars, based on 98
Ginsberg Advanced Spectrometer is used to measures the intensity of light or electromagnetic radiation at various wavelengths
A built-in illuminated auto collimator eliminates the difficulty of telescope-collimator alignment.
It is designed for easy set-up and use
Its sturdy iron base incorporates a 20cm diameter divided table with highly visible etched graduations and a Vernier scale that can be read to a resolution of one minute of arc
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