American Owned & Operated
Committed to supporting American industry and ensuring the highest-quality production standards.
Diameter Tolerance |
+/- 0.125 mm |
Thickness Tolerance |
+/- 0.125 mm |
Surface Accuracy |
1.0-3.0 mm thickness ≤ 5λ per inch |
Surface Quality |
60-40 Scratch-Dig or better |
Parallelism |
<15' |
Edges |
Fine ground and safety beveled* |
Clear Aperture |
85% |
*parts under 25.4mm in diameter may not have beveled edges
Commercial windows are used for sight glasses, instrument windows, beamsplitter substrates, vacuum windows, welding window substrates. Esco carries a complete inventory of square commercial optical windows of N-BK-7 Optical Glass.
Would you like to modify a catalog part to better suit your requirements? Please use our online quote tool to get an estimate on a custom part.
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Committed to supporting American industry and ensuring the highest-quality production standards.
Esco Optics proudly manufactures precision optics for all branches of the armed forces land, sea, air and space.
Esco manufactures compliant ITAR optics for all of its customers with the strictest confidentiality.
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