 |
| |||
| primary mirror (e.g. of a telescope); primary (reflector); main collecting mirror | |||
| objective mirror | |||
| main mirror; primary mirror | |||
| Hauptspiegel: 5 phrases in 1 subject |
| Optics branch of physics | 5 |
|
| |||
| primary mirror (e.g. of a telescope); primary (reflector); main collecting mirror | |||
| objective mirror | |||
| main mirror; primary mirror | |||
| Hauptspiegel: 5 phrases in 1 subject |
| Optics branch of physics | 5 |