Stereo microscope is very popular in industrial field such as Circuit Board Detection. It offers high resolution, clear sharp images, super wide field of view, large magnification range and long working distance. LED or fluorescent ring light can be an illuminator which supplies cool, even and bright light. Stereo microscope is an ideal instrument for research labs, engravers, collectors and anyone in semiconductor or electronic industry. If you need mount a camera, trinocular head microscope is a good choice.
Check more details about PHEN microscope which can be used in this field.