Glass 0.01mm 0.5mm 0.1mm Objective Stage Calibration Slide Grid Cross Microscope Eyepiece Micrometer Scribing Plate Microruler

Specifications:

Material: Glass

Size:

C1: 25x75x1.5mm, minimum 0.01mm

C2: Diameter 19mm

C3: Diameter 19mm, minimum 0.1mm

C4: Diameter 19mm, minimum 0.05mm

C5: Diameter 19mm, Each small square is 0.25mm squared

C6: Diameter 19mm, Each small square is 0.04mm squared

C7: Diameter 19mm, minimum 0.1mm