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| Russian | English |
| единица диафрагмы | f-stop (In photography, a unit on a scale used on camera lenses to indicate a sequence of f-numbers where each stop corresponds to an f-number and with each stop the light that reaches the film is halved) |
| приоритет диафрагмы | aperture priority (A mode in many digital cameras that allows users to adjust the aperture value to their own liking) |