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What does NA stand for?

NA stands for Numerical Aperture

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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Other Resources:
We have 40 other meanings of NA in our Acronym Attic

Samples in periodicals archive:

It excels at correcting chromatic aberration and curvature of the field of view, plus it offers longer working distances and higher numerical apertures.
DVD-Recordable Disc Dimensions To help achieve a six to seven-fold increase in storage density over CD-R, two key components of the writing hardware needed to be altered: the wavelength of the recording laser and the numerical aperture (n.