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Measuring Aspheres: Selecting the Best Technique

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The metrology method should match the nature of the part and the inspection constraints.

AMY FRANTZ, EDMUND OPTICS INC.

The benefits of aspheric lenses are numerous: They allow for a reduction in spherical aberrations and are ideal for focusing or collimating light, as they can achieve a low ƒ-number. Aspheres also allow the same or better performance using fewer lenses, which often translates to a reduction in...Read full article

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