CAL | CaliBall™ Interferometer Transmission Sphere Calibration Ball
CAL1-M | CaliBall™ Interferometer Transmission Sphere Calibration Ball w/100mm Bayonet Mount
The CaliBall™ is extremely round and perfect, uses 'Random Ball Test' to determine the error in transmission spheres. Qualify your transmission sphere is minutes anytime you need it and be confident of the results. See brochure for detail. |