en

αI

1 symbol

Terminological databases

Metroloogia terminibaas

ID 1143232 Last modified 09.06.2026
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Domain metrologymeasuring procedures
ühistelgne valgustusnurk preferred
ühistelgse valgustuse nurkvahemik
αI
angular range of coaxial illumination
αI
  • nurkvahemik, millest mõõteobjekti pind on ühistelgselt valgustatud
  • angular range from which the sample/specimen is coaxially illuminated
ühistelgne valgustusnurk preferred
Usage examples
  • Tavalistel juhtudel saab ühistelgse valgustusnurga väärtuse tuletada objektiivi avaarvust.
ühistelgse valgustuse nurkvahemik
Usage examples
  • Ühistelgse valgustuse nurkvahemiku väärtust saab mõjutada objektiivi kooslus.
αI symbol
angular range of coaxial illumination
Usage examples
  • In normal cases, the value of an angular range of coaxial illumination can be derived from the numerical aperture of the objektive.
  • The value of angular range of coaxial illumination can be influenced by the coise of the objective.
αI symbol

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