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Angular resolution
Magnification
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Key terms: math n numerical aperture na lens theta optics sin beam fiber mathrm angle laser defined refractive light index object related laser beam ray microscopy acceptance angle cone max distance approximation refractive index magnification irradiance exit apertura definition focal cos typically gaussian maximum interface angular axis cone of light sqrt spread marginal mode core photography spot plane snell's law ratio optical system photographic exact pupil fiber optics resolution lenses Search external links cited by footnotes on Wikipedia page Numerical aperture: |
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