Microscope Eyepiece Reticules (Graticules) 

NE44 Concentric Circles 1mm-10mm

Eyepiece Reticle with 10 Concentric Circles ranging in size from 1mm to 10mm diameter in 1mm steps. 5th circle has dashed lines

Technical Specification

Line Thickness
0.016mm +/-0.003mm

Glass Type and Thickness
Soda Lime 1.5mm thick

Overall Tolerance
+/-0.010mm

Diameter Tolerance
+0/-0.1mm

Cross Line Length
23.0mm approx.

Orientation
Correct reading through glass