| Subject | English | German |
| opt. | aplanatic condenser | aplanatischer Kondensor |
| opt. | aplanatic condition | Aplanasiebedingung |
| opt. | aplanatic doublet | aplanatisches zweiteiliges Objektiv |
| opt. | aplanatic lens | aplanatische Linse (corrected for spherical aberration and coma) |
| opt. | aplanatic lens | aplanatisches Objektiv (corrected for spherical aberration and coma) |
| phys. | aplanatic lens | Aplanat |
| phys. | aplanatic lens | aplanatische Linse |
| opt. | aplanatic lens | Aplanat (doublet; photographic lens: corrected for spherical aberration and coma) |
| astr. | aplanatic objective | Aplanat |
| phys. | aplanatic point | aplanatischer Punkt |
| opt. | aplanatic points | aplanatisches Punktepaar |
| opt. | aplanatic points | aplanatische Punkte |
| opt. | aplanatic surface | aplanatische Fläche |