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ASTM E562 24 Point Circular Grid
Eyepiece Reticle to ASTM E562. Two Concentric Circles of Crosses, 16 on outer circle, 8 on inner circle.
G54
£149.63 - £178.11
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0.015mm +/-0.003mm
Soda Lime 1.5mm thick
10mm
+0/-0.1mm
0.4mm
Correct reading through glass