apertometers

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  5. Measuring Devices (hierarchy name)
  6. measuring devices (instruments)
  7. [measuring devices for extent]
  8. distance measuring devices
  9. size measuring devices
  10. diameter measuring devices
  11. apertometers
Scope note
Instruments designed to measure the numerical aperture of microscope objectives.
apertometers
Accepted term: 10-Mar-2025