National Aperture
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Frequently Asked Questions

Yes, critical dimensions or specifications can be verified with technical support staff.

The available options for the Standard Precision Air Slit include unblackened (standard), black one side, black two sides, heavy substrate, close tolerance, calibrated, and mounted or unmounted.

The substrate specifications for the Standard Precision Air Slit include an unblackened finish, 300 series stainless steel material (except for HS option), a diameter of 3/8 inch (0.3753 inch max.), a positional tolerance of ø.006 inch (0.152mm), and a thickness of 0.0005 inch (12.7µm) on slits 5µm and up.

A Standard Precision Air Slit is a laser instrument used for spatial filtering in laser optics, OEM, and industrial applications.

The cost for shipping and handling within the USA for small packages of standard items is $10.

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