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Taking pictures using flash can have many advantages, not just
lightening up a darkened room. You need to take care that overexposure
and red eye are avoided.
61. If the subjects are often overexposed then try using flash
further away from the subject.
62. Under exposure occurs when you are working with a subject that
is beyond the reach of your flash unit. It can be something of a
surprise how little impact the built in flash on some cameras can
have.
63. If you are taking a picture of a group indoors and conditions
are fairly dark, there is a danger that the people near you will
be overexposed and the people further away will be a little in the
dark. If you can arrange the group so that they are all equidistant
from the camera. That way there will be an even spread of light.
64. Red eyes can happen when the flash and the lens are closely
aligned, as with a number of compact cameras. Many cameras now offer
red eye reduction. To reduce red eye, try asking your subject to
look at a light shortly before the picture is taken.
65. When you find yourself about to take a picture where there
is little difference in lighting levels between the foreground and
the background, this can cause the resulting image to have little
contrast. You can make the subject or foreground stand out more
by taking the picture using flash. This will help the subject to
stand out more. This is known as "fill in flash".
66. When you are using fill in flash you normally only need a flash
gun to deliver half or maybe in just a quarter of its power, this
avoids the flash from over dominating the photograph.
67. If areas of the scene that you are about to take are shrouded
in shadow that you would like to remove, again try taking the picture
with flash. This is another use for fill in flash.
68. More natural lighting can be achieved if you are able to bounce
the flash off a reflective wall or other surface rather than pointing
the flash directly at the subject.
69. If you do bounce flash remember that it will reduce the light.
If you are using a manual gun you will have to compensate elsewhere,
usually through opening the aperture an extra stop or two.
70. A side advantage of using flash is that it can also help to
"freeze" a moment. If you think about it a sudden, sharp
burst of light will stop you in your tracks.
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