Flash Power Fraction to Stops Calculator

Flash Power Fraction to Stops: a planned Super Calculator tool. Covers power fraction. Stub page while the tool and its worked example are prepared. Scope is.

Flash Power Fraction to Stops Calculator is a planned calculator in the technology section of Super Calculator, covering exposure.

What this calculator will compute

Inputs: power fraction and target change in stops.

Formula, recorded as scope and not yet verified against a primary source: stops = log2(1/fraction), full to 1/2 is one stop.

Written for strobists dialing manual flash power in fractional steps.

Status

This page is a stub. The calculator is not built, no figure on this page has been verified against the authority that sets it, and nothing here should be used to make a decision. The page exists so that the site structure is complete and so that articles can link this concept on first mention.

The stub carries noindex, nofollow and is excluded from the sitemap.