Test plates provide a standard for testing spherical surfaces of the reverse curvature.
Kreischer Optics, Ltd. is a leader in the manufacture and calibration of test plates for the precision optics industry.
Kreischer Optics has test plates of over 1,700 radii in stock. This information is useful to the optical engineer to match a new design to our existing tooling, reducing manufacturing cost and lead time.
See Test Plate Inventory for a detailed listing.
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