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Knowledge Center/ Technical Frequently Asked Questions/ Optics Frequently Asked Questions/ Optical Lenses/ Does Edmund Optics still use magnetorheological finishing for high quality aspheres?

Does Edmund Optics still use magnetorheological finishing for high quality aspheres?

Yes, magnetorheological finishing (MRF) is still required for the highest quality aspheres and can achieve accuracies exceeding λ/20.

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