English version

fast film/lens

From Longman Dictionary of Contemporary Englishfast film/lensfast film/lensTCPa film or lens(2) that can be used when there is little light, or when photographing something that is moving very quickly fast
Examples from the Corpus
fast film/lensMinerals giving very low intensity emission, such as quartz grains, required many minutes or even hours of exposure with fast films.
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