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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 |