Tabletop Gemology Spectroscope Gemstone Analytical Optical Instrument Wavelength Scale 400nm-700nm

Tabletop Gemology Spectroscope Gemstone Analytical Optical Instrument Wavelength Scale 400nm-700nm

Features:

Dual light source with adjustable intensity;

12V/50W halogen lamp for stable performance and minimal heat

Adjustable input light hole (2-28mm);

Built-in fan for continuous operation;

Prism-type scale spectroscope with adjustable slit and focal distance;

Digital scale with wavelength range from 400 to 700nm;

Special lamp design for safer lamp replacement.