This precision student spectrometer is designed for accurate prism and grating spectrometry, featuring a 127mm diameter precision-engraved degree plate with a resolution of 1 minute of arc. Two precision-engraved Vernier scales provide easy, accurate angular readings. The spectrometer features 32mm wide apertures on both the telescope and collimator for enhanced light capture, producing brighter and sharper spectral images. Both the telescope and collimator are equipped with rack-and-pinion focusing for precise adjustments. The rotatable table provides flexibility in measurements, with hand-operated coarse adjustment and a fine lead screw for delicate positioning. Each unit includes detailed working instructions and is supplied in a sturdy wooden carrying case for transport and protection.