 |
| |||
| focal length (Scheinwerfer) | |||
| focal length | |||
| focal length (The distance between the camera's lens and the image plane) | |||
| focal width (Optik) | |||
| focus distance | |||
| focal distance | |||
| focal length (distance) | |||
| eccentricity (e.g. of the conic section) | |||
| Brennweite: 76 phrases in 6 subjects |
| Communications | 1 |
| Earth sciences | 1 |
| General | 1 |
| Measuring instruments | 2 |
| Optics branch of physics | 69 |
| Physics | 2 |