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ASTM E562 25 Point Square Grid
Eyepiece Reticle to ASTM E562. 5 X 5 Square Grid of Crosses.
G55
£157.11 - £187.02
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0.015mm +/-0.003mm
Soda Lime 1.5mm thick
10mm
+0/-0.1mm
0.4mm, 2.5mm Pitch
Correct reading through glass