Reticle Untwinned Grain Counting 1-10 ASTM E112
KR-808H glass eyepiece untwinned grain counting reticle (1-8). For use with a 10x objective lens. This reticle was created for ASTM Methods E 112, PCN 12-501120-10. Plate 1 B, Untwinned Grains (Flat Etch) 100x. Reticle is available in a number of different diameters, select below when ordering.
NOTE: This is a special order product. Please allow 2-3 weeks for delivery. This item is not returnable.
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