| Display title | Numerical aperture |
| Default sort key | Numerical aperture |
| Page length (in bytes) | 17,031 |
| Namespace ID | 0 |
| Page ID | 327296 |
| Page content language | en - English |
| Page content model | wikitext |
| Indexing by robots | Allowed |
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| Counted as a content page | Yes |
| Page image |  |
| HandWiki item ID | None |
| Edit | Allow all users (infinite) |
| Move | Allow all users (infinite) |
| Page creator | imported>Steve Marsio |
| Date of page creation | 23:01, 6 March 2023 |
| Latest editor | imported>Steve Marsio |
| Date of latest edit | 23:01, 6 March 2023 |
| Total number of edits | 1 |
| Recent number of edits (within past 90 days) | 0 |
| Recent number of distinct authors | 0 |
Description | Content |
Article description: (description)
This attribute controls the content of the description and og:description elements. | In optics, the numerical aperture (NA) of an optical system is a dimensionless number that characterizes the range of angles over which the system can accept or emit light. By incorporating index of refraction in its definition, NA has the property that it is constant for a beam as it goes from one material... |
