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Untwinned Grain Reticle (7.0 - 10.0), use with a 10x objective.
Methods for determining the average grain size:
ASTM Methods E112, PCN 12-501120-10
Plate 1B, Untwinned Grains (Flat Etch) 100x
Lines | Chrome deposition |
Chamfer | 0.010" - 0.020" |
Flatness | 2 waves or better |
Centering | Within 0.005" |
Glass Thickness | 1.5mm ± 0.2mm |
Diameter Tolerance | +0.00/-0.005" (0.127mm) |
- Weight:
- 1.00 LBS
- Width:
- 2.00 (in)
- Height:
- 2.00 (in)
- Depth:
- 2.00 (in)
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