Microscope Eyepiece Reticules (Graticules) 

G54 ASTM E562 24 Point Circular Grid

Eyepiece Reticle to ASTM E562. Two Concentric Circles of Crosses, 16 on outer circle, 8 on inner circle.

Technical Specification

Line Thickness
0.015mm +/-0.003mm

Glass Type and Thickness
Soda Lime 1.5mm thick

Image Size
10mm

Diameter Tolerance
+0/-0.1mm

Cross Size
0.4mm

Orientation
Correct reading through glass