The product is composed of an outer cylinder, a telescopic cylinder, prism, slit eyepiece system, etc. Outer cylinder, a telescopic cylinder is made of engineering plastic, the outer cylinder dimensions for φ20×60mm, wall thickness 1.5mm; The eyepiece system consists of a lens holder, an eyeglass lens seat, size φ24×13mm; slit width 1.4mm, width 7mm.
....To observe several spectra: continuous spectrum, emission spectrum, absorption spectrum and solar spectrum.
....It is used to observe continuous spectrum or solar spectrum generated by light from burning solid or liquid.
....It is used to observe several spectrums, continuous spectrum, bright line spectrum, absorption spectrum and solar spectrum.
....