Size and distance of a source

EN: Size and distance of a source

Fotografie

The larger the light, the softer its Quality. However, the effective size of a source also depends upon subject size and distance. A large, distant source is, in effect, small and hard (behold the sun). A 4-square-foot Soft Light covering a car is small, but if lighting a watch, it s enormous.
Tiffan edu Glossary