AmScope Microscope Stage Calibration Slide for USB Camera 0.01mm Stage Micrometer

0.01mm Microscope Calibration Slide

0.01mm X-Y Ruler and 4-dot Microscope Calibration Slide

X-Y 0.01mm Aluminum Microscope Calibration Slide

0.1mm & 0.01mm Microscope Calibration Slide

AmScope Stage Micrometer Calibration Slide w/ 4-Scales for Microscope