The departure of the surface under test from a best fitting spherical surface, presentable by graphical illustrations, provide a valuable assurance of the quality of a manufactured spherical surface, detecting both aspherical anomalies and astigmatism, and enabling accurate production of items such as isometric reference lenses.
Pre-booked calibrations can be carried out with a quick and reliable turnaround enabling customers to return to their high quality services without delay. Short notice bookings are also taken and normally dispatched quickly. Majority of calibrations are completed within 1 to 2 weeks.
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