4. Optics: measuring and testing
  5. Lens or reflective image former testing
  6. Focal length measuring

Douglas D. Rife

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Back vertex annular aperture

Optics: measuring and testing – Lens or reflective image former testing – Focal length measuring
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Spectrophotometer apparatus and method including scale drift cor

Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrophotometer
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Profile ID: LFUS-PAI-P-1452330

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