Indexed Grid 0.5mm Squares
Eyepiece Reticle with 20x20 Indexed Grid pattern, 10mm x 10mm grid with 0.5mm squares, marked 1-20, A-T
NE71
£71.02 - £90.68
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0.013mm +/-0.003mm
Soda Lime 1.5mm thick
+0/-0.1mm
+/-0.005mm
Correct reading through glass