Sony HVL-LE1 - Manual (Page 5)

Using Artifical Light
using
artificial light
Without light, we would not have photography. The lower
the amount of light on our subject, the longer it will take
to capture our photograph. While we sometimes can use
this to our creative advantage, low levels of light make it
very difficult to capture the subject without blur, especially
if we are not using a tripod or other stabilizing device.
When natural light is diminished, we need to introduce
artificial lighting to capture our image quickly. Lamps,
streetlights, headlights are all examples of commonly seen
artificial light. In photography, all of these can be used
as well as adding artificial light with flash photography.
Many cameras have an on-camera flash. While an
on-camera flash can be handy in a pinch, it limits our
options due to the fact that the flash is attached at a
single position to the camera, and has limited power.
Adding an external flash provides us with a more
powerful light with a flash head that can be aimed in
multiple directions allowing us to position our light more
creatively and effectively.
Some flashes can also be used wirelessly, which allows
for even greater creative control. With wireless flash,
our camera can trigger one or more flashes to fire, even
when it is not attached to the camera. This allows us to
add artificial lighting at a variety of locations and angles.
When we combine artificial and natural lighting,
a new level of dynamic photography is achieved.
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