Spectroscope

★Double adjustable light source   

★Adjustable light well:2-28nm        

★Adjustable slit and Draw-tube focus 

★With optic fiber output                                

★Photospot cold light halogen lamp:12V/50W                           

★With wavelength scale(range from 400 to 700nm)                           

★Adjustable intensity of tungsten-halogen illumination               

★Worldwide voltage