 |
| |||
| neutral wedge | |||
| gray-wedge; grey-wedge | |||
| gray wedge | |||
| neutral gray wedge; wedge filter | |||
| optical wedge (light-absorbing wedge of uniformly increasing density); neutral density wedge (light-absorbing wedge of uniformly increasing density); continuous wedge | |||
|
Graukeil : 2 a las frases, 2 temas |
| Óptica rama de la física | 1 |
| Tecnología | 1 |