 |
| |||
| illumination | |||
| lens-speed (Lens-speed is the largest lens-opening at which a lens can be set) | |||
| power of lens; rapidity of lens | |||
| relative aperture | |||
| lens speed; lens aperture | |||
| светосила объектива: 17 phrases in 6 subjects |
| Automated equipment | 1 |
| Mass media | 1 |
| Metallurgy | 1 |
| Polygraphy | 1 |
| Security systems | 1 |
| Technology | 12 |