Manual

Fill-in Flash
Even in daylight, you can use flash as fill light for harsh shadows or dark,
backlit portrait subjects.
III. Speedlite 380EX with Type-B Cameras
With fill flash
Wlfhouf fill flash.
S
When a fully-automafic, picfure-taking mode is used with Speedlite 380EX, the fill
flash output may be reduced automatically to balance the exposure between the
subject and background. This Is called auto flash output reduction
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