Assertion: numerical aperture | /r/HasProperty | na
Facets:
Source sentences:
text: Numerical Aperture (NA) =
text: Numerical Aperture (NA)
text: i m is termed as the numerical aperture (NA).
text: Table 2 provides a list resolution (R) and numerical aperture (NA) by objective magnification and correction.
text: The relative aperture for a microscope is called the numerical aperture (NA) and is equal to the sine of half the angle subtended by the aperture at an object point times the index of refraction of the medium between the object and the objective lens.