| Subject | English | German |
| tech. | line of collimation | Kollimationsachse |
| construct. | line of collimation | Durchfluchtungslinie |
| earth.sc., industr., construct. | line of collimation | Kollimationslinie |
| construct. | line of collimation | Blicklinie |
| survey. | line of collimation | Sehlinie |
| opt. | line of collimation | Zielachse |
| opt. | line of collimation | Zielstrahl |
| opt. | line of collimation | Ziellinie |
| opt. | line of collimation | Absehlinie (sight) |
| mine.surv. | line of collimation | Visierlinie |
| life.sc. | pointing line,2.aiming line,3.line of collimation | Zielachse |
| life.sc. | pointing line,2.aiming line,3.line of collimation | verlaengerte optische Achse |
| life.sc. | pointing line,2.aiming line,3.line of collimation | Ziellinie |
| life.sc. | pointing line,2.aiming line,3.line of collimation | Instrumentenhorizont |