Microscope Eyepiece Reticules (Graticules) 

NE25 Half Protractor

Eyepiece Reticle with 180º Protractor, 10mm diameter subdivided into 1º divisions. Also has a 10mm horizontal scale with 0.5mm divisions.

Technical Specification

Line Thickness
0.013mm +/-0.003mm

Glass Type and Thickness
Soda Lime 1.5mm thick

Overall Tolerance
+/-0.007mm

Diameter Tolerance
+0/-0.1mm

Orientation
Correct reading through glass