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FOUR-ELEMENT CONVERGING LENS [1 record]

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Record 1 1977-02-01

English

Subject field(s)
  • Optical Glass
  • Optics
OBS

A number of lens designs, obtained by high-speed computers applying a "least-square" criterion to ray-tracing results, have been published. One [is] a "four-element F/2 lens", ...

OBS

converging lens: Lens which refracts rays of light passing through it towards the optical axis, forming a real image which can be focused on a screen.

French

Domaine(s)
  • Verres d'optique
  • Optique
CONT

La combinaison de deux telles paires de lentilles va donc donner une lentille de focale constante: on obtient ainsi un dispositif appelé «quatuor convergent».

Spanish

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