Commercial Quality Windows, Square, N-BK7 Optical Glass

Specifications

Diameter Tolerance

+/- 0.125 mm

Thickness Tolerance

+/- 0.125 mm

Surface Accuracy

~5 wave per inch

Surface Quality

60-40, scratch-dig or better

Parallelism

<15'

Edges

Fine ground and beveled

Commercial Quality Windows, Square, N-BK7 Optical Glass

Esco PN:
  • $ 1320


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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American Owned & Operated

Esco Optics is a leading manufacturer of custom and catalog optics, precision optical components, and ITAR optics in the United States.

Military & Defense Supplier

As the leader for military and defense optics in the United States, Esco Optics adheres to the International Traffic in Arms Regulations.

ITAR Registered & Compliant

ITAR registered and compliant, Esco manufactures ITAR optics for all of its customers with the strictest confidentiality.