Starrett VB300 Vertical Optical Comparator 12", 6" x 2.8" measuring Range, .001mm/0.00005" Scale Resolution with QC720 Readout, with 10X lens
Starrett 16"/400mm Optical Comparator, Model HB400 Surface and Contour Illumination, 12" x 6" Stage with Glass Scales, without Edge detection, Lenses not Included , With QA721 readout