MLchartDataset catalogue

Angular aperture

Term · Industrial and trades · MLC-T-IND-000206

The angle subtended by the entrance pupil of an optical system at a specified object point. This value determines the light-gathering ability and resolving power of the system for that object. For a microscope objective, it is half the angle of the cone of light that can enter the objective from the specimen.

Table 1. Record
IdentifierMLC-T-IND-000206
FieldIndustrial and trades
SubjectOptics and imaging
TranslationsGerman: Winkelapertur; Spanish: apertura angular; French: ouverture angulaire
Record as JSON
{
  "id": "MLC-T-IND-000206",
  "term": "Angular aperture",
  "field": "Industrial and trades",
  "definition": "The angle subtended by the entrance pupil of an optical system at a specified object point. This value determines the light-gathering ability and resolving power of the system for that object. For a microscope objective, it is half the angle of the cone of light that can enter the objective from the specimen.",
  "subject": "Optics and imaging",
  "translations": {
    "de": "Winkelapertur",
    "es": "apertura angular",
    "fr": "ouverture angulaire"
  },
  "url": "https://mlchart.com/terminology/industrial/angular-aperture/"
}

Record 221 of 7,361 in Industrial and trades terminology (MLC-0113). Request the full dataset.