Optical Specialties 03-13694-01 Microscope Controller

This is a Steindorff XTL-IV Microscope Stereo Zoom 7.5 x to 35 x WF10X Eyepiece variable illumination form above and below (base is not lighting up may need a new bulb) This item appears to work but has not been tested by a microscope technician and is being sold as is ***MPN XTL-IV ***OEM Steindorff ***SKU*** 43433