"Christian Drewing" <> wrote in message
news: oups.com...
>
> I am new to digital compact cameras (my flagship is a Rebel XT but I
> won a Samsung NV10 at a contest) and the manual from Samsung is good,
> but lousy in relation to the built in flash.
>
> It has two modes that I don't understand.
>
> What is "Slow Synchro" and what is "Fill In"? At least I can presume
> what Fill In means, but I am not sure, because there is nothing about
> the flash modes of the camera in the manual.
>
"Fill-In" flash is used when the subject is in the shadows (like under a
tree on a sunny day) and there is a bright background. The camera's meter
tends to be fooled, exposing for the bright background, and the main subject
often appears silhouetted. Fill-in flash provides just a small amount of
light, to brighten-up the subject.
Slow Synchro is typically useful at twilight or night scenes. Here the
backgrounds are dark, not light as with fill-in situations. The use of
flash with dark backgrounds causes the subjects to be properly lighted, but
they are surrounded by darkness. With slow synchro, the shutter speed is
slowed-down, to let the shutter take in more of the dim light from the
background, and the flash burst is reduced so as not to overwhelm the main
subject. This offers a better balance between main subject and background,
allowing some of the dimly-lighted background elements to appear in the
image.
Slow synchro often is optimized by using a tripod, as the slower shutter
speed makes the camera more susceptible to camera shake if it is handheld.
Also, digital cameras may automatically increase the ISO speed during such
shots, and that may result in increased noise. Even so, the slow synchro
shots are generally more pleasing, because the backgrounds are visible, as
opposed to everything surrounding the main subject being black.
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