Hand spectroscope

Specifications

A simple device for the rapid qualitative examination of the composition of emission and absorption spectra.
It presents the main components as collimator, prism and telescope mounted inside an straight tube; one of the ends of the tube presents an adjustable slit to regulate the light entering inside and the other end is provided with an eyepiece.
The drawtube of the eyepiece can be slide along its length for sharp focusing the spectrum.
Supplied complete in a wooden box.