McBain Instruments American Optical AO 580 Stereo Star 1x-6x Zoom Microscope 144174032221 Unit will have light yellow

Unit will have light yellow residue on the body

Manufacturer Datacard Model Number PX30 SKU 19-73932 Ref 23-107860

Manufacturer Hirshmann Model Number RSP35 SKU 19-73644 Ref 23-105643

Includes Vision I/F Module as pictured

McBain Instruments American Optical AO 580 Stereo Star 1x-6x Zoom Microscope 144174032221 Unit will have light yellowThis item is sold AS IS. No returns or exchanges are accepted. Condition For parts or not working Description The microscope has multiple functional issues. The left eyepiece displays an image, but with reduced contrast. The right eyepiece does not produce an image at all. The zoom control does not operate through its full range and produces an unusual noise. With the eyepieces removed, it is apparent that the right side zoom optics are not moving in