The instrument is made up of two main parts,five group assemble fittings and one fitting which can be equipped by clients choice. Two main parts:

1.Optical bench :

(1)length:0.75m (2)Based fittings

2.Spectrometer:

(1)The spectrometer can be improved that the whole set can  rotate.

     Accuracy of precision slit:0.01mm

(2) Based fittings

3.Five group assemble fittings :

(1)Micrometer eyepiece 15X

(2)Focal length of teaching collimator :143mm

(3)Vari-focus lens:   focal length:329mm,φ55,

     Focus lens:   focal length:59mm,φ18

(4)Grating:1200l/mm

(5)Low Pressure Sodium Lamp、He-Ne discharge tube、Hydrogen discharge tube、hydrogen-     deuterium discharge tube

4.One fitting which can be equipped by clients choice:

Olympus E-420 Digital single Iens reflex ,10 million pixel,equivalent focal length:28-84