| |||
| Winkelapertur f; Winkelöffnung f | |||
| Aperturwinkel m; a | |||
| Winkelblende f | |||
| Öffnungswinkel m | |||
| Öffnungswinkel m (microscope: the angle of the largest cone of light entering the objective from an object point on the axis) | |||
| Objektivoeffnungswinkel m | |||
|
angular aperture : 5 phrases in 2 subjects |
| Nuclear physics | 1 |
| Optics branch of physics | 4 |