| Subject | English | German |
| opt. | even illumination | gleichmäßige Ausleuchtung (e.g. of the aperture) |
| opt. | even illumination | gleichmäßige Beleuchtung (e.g. of the aperture) |
| tech. | even illumination | gleichmaessige Ausleuchtung |
| tech. | even illumination of projection screen | Bildwandausleuchtung |