Frequently Asked Questions

The CaliBall II is used in horizontal interferometer set ups for calibration of transmission spheres.

The CaliBall II is held in a Zygo style 4" bayonet mount.

Yes, the bayonet mount of the CaliBall II provides x-y-z adjustments.

The CaliBall II comes with all the same components as CaliBall I.

Yes, the Random Ball Test has been reviewed in papers by authors at both NIST and CSIRO who conclude they are not aware of a better method of transmission sphere calibration.

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