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Exposure range

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This is an old revision of this page, as edited by Girolamo Savonarola (talk | contribs) at 09:29, 6 December 2006 (moved Stops (Dynamic Range) to Exposure range: this article is about exposure range - F-number is about stops proper). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
For other uses, see Stop.

Stops are a measurement of the dynamic range of a medium or device.

A stop is equivalent to where c is the medium or device's contrast ratio. For example, average DV has a contrast ratio of 45:1, so its dynamic range is roughly 5.5 stops. Film has a dynamic range of 11 stops, currently the highest in motion picture mediums.

Three exposures of the same image at different stops.

See also

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