Flash Guide Number
Calculator

Inputs

Flash distance (m)
5.714285

Results

Flash distance (m)
5.714285

Media and photography results

Flash distance (m)5.714285

formula-map diagram

Flash distance (m)
5.714285

Media and photography relationship

Formula

distance = GN ÷ N

= 5.7142857142857

Note

This result uses the values you entered and a simplified planning equation; verify quantities and local requirements before purchasing or building.

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