Inverse Square Law Light Falloff Calculator

Inverse Square Law Light Falloff: a planned Super Calculator tool. Covers initial distance. Stub page while the tool and its worked example are prepared.

Inverse Square Law Light Falloff Calculator is a planned calculator in the technology section of Super Calculator, covering exposure.

What this calculator will compute

Inputs: initial distance, new distance and initial output.

Formula, recorded as scope and not yet verified against a primary source: illuminance ratio = (d1/d2)^2, stops lost = 2*log2(d2/d1).

Written for studio lighters predicting exposure change when a light moves.

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.