Are all aspheric lenses from Edmund Optics® polished using magnetorheological finishing (MRF)?
No, advances in subaperture polishing have allowed for the fabrication ofaspheres with surface figure error down toλ/20 (0.25µm). However,MRFis still required for the highest-precision aspheres, such as those with λ/40 (0.125µm) figure error.
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