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.
| Identifier | MLC-T-IND-000206 |
|---|---|
| Field | Industrial and trades |
| Subject | Optics and imaging |
| Translations | German: 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.