en

focal length

1

Terminological databases

EKI terminibaas Esterm

ID 722742 Last modified 30.12.2004
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Domain Physics
  • for a lens, the distance measured along the principal axis, between the principal focus and the second principal point
fookuskaugus
focal length
Usage examples
  • Optical system consisting of a lens with a focal length, f, of at least 500 mm and corrected for chromatic aberrations. The full aperture of the lens must not exceed f/20.
distance focale
Mindestbrennweite
polttoväli

Matemaatika terminibaas

ID 660682 Last modified 18.01.2024
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Domain Mathematics
фокальное расстояние

Meteoroloogia ja klimatoloogia terminibaas

ID 515051 Last modified 07.07.2023
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Domain aktinomeetriaatmosphere - climatology - meteorology - magnetosphere

Metroloogia terminibaas

ID 582441 Last modified 04.11.2024
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Domain Standardisation - Metrology
fookuskaugus preferred
fookusekaugus
teravussügavus variant
focal length preferred
  • optilise süsteemi või läätse peapunkti ja fookuse vaheline kaugus
  • distance between the centre of a lens or curved mirror and its focus
fookuskaugus preferred
Usage examples
  • Optilise süsteemi fookuskaugus võimaldab mõõta, kui tugevalt süsteem läheneb või kaugeneb, ja see kaugus on süsteemi optilise võimsuse pöördväärtus.
fookusekaugus
teravussügavus variant
focal length preferred
Usage examples
  • Focal length of an optical system is a measure of how strongly the system converges or divergeslight. It is the inverse of the system's optical power.

Word forms not available

Etymology

  • focal length

Related words not available

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