| English | German |
| angular separation | Winkelabstand (e.g. between beams reflected from the top and bottom surfaces of an optical flat) |
| just resolvable angular separation | gerade noch auflösbarer Winkelabstand |
| limiting angular separation | Grenzwinkelabstand |
| minimum angular separation | kleinster Winkelabstand |
| minimum angular separation | angulare Sehschärfe |