Softbox Distance Calculator

Calculate optimal softbox distance for desired light quality and coverage.

Dimensional measurement of the item.
cm
Dimensional measurement of the item.
cm
Proportional relationship between two values.
ratio

Results

Optimal Distance:
Calculated distance.
-cm
Optimal Distance:
Calculated distance.
-meters
Apparent Size Ratio:
Recommended size based on calculations.
-x subject
1-Stop Falloff Zone:
Calculated 1-stop falloff zone based on your inputs.
-cm
Reference: Industry Standards.