Vista Vision Binocular Microscope W/ Stand & Swing Arm, 2x: SWF10X/22 Eyepieces 132536968936 the display shows a calibration

the display shows a calibration error message

Manufacturer Leadshine Model Number L5-400Z SKU 19-77244 Ref 23-111220

Unit will have heavy corrosion on the top

Manufacturer Sonance Model Number VP10SUB SKU 19-81149 Ref 23-117375

Manufacturer Qiagen Model Number EZ1 SKU 19-20904 Ref 23-27135

Vista Vision Binocular Microscope W/ Stand & Swing Arm, 2x: SWF10X/22 Eyepieces 132536968936 the display shows a calibrationCondition Used Description This item is fully tested and in excellent working order. Item will come with a 30 Day Warranty. Cosmetically in good condition showing minor scuffs scratches blemishes from previous use. One eyepiece is missing the securing end cap. Includes Vista Vision Binocular Microscope, Stand & Swing Arm, and 2x: SWF10X 22 Eyepieces as pictured. No additional items or accessories are included. Unless pictured, no power adapter power