Add to Cart Quick view McBain Instruments Grey Binocular Microscope Head w/ Focus Block - No Eyepieces McBain Instruments Was: $108.00 Was: $300.00 McBain Instruments Grey Binocular Microscope Head with Focus Block - No Eyepieces or Objective Missing eyepieces (30mm dia) and stage plate (100mm dia) Condition: Used 21891 SKU: 21891 Weight: 18.00 LBS