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Appendixes
156
ACB (Auto Contrast Balance)
This feature automatically improves the contrast of your images when the subject is
backlit or when there is a high contrast between your subject and the background.
AEB (Auto Exposure Bracket)
This feature automatically captures several images at dierent exposures to help
you capture a properly-exposed image.
AF (Auto Focus)
A system that automatically focuses the camera lens on the subject. Your camera
uses the contrast to focus automatically.
Aperture
The aperture controls the amount of light that reaches the camera’s sensor.
Camera shake (Blur)
If the camera is moved while the shutter is open, the entire image may appear
blurred. This occurs more often when the shutter speed is slow. Prevent camera
shake by raising the sensitivity, using the ash, or using a faster shutter speed.
Alternately, use a tripod, the DIS or OIS function to stabilize the camera.
Composition
Composition in photography means arranging objects in a photo. Usually, abiding
by the rule of thirds leads to a good composition.
DCF (Design rule for Camera File system)
A specication to dene a le format and le system for digital cameras created by
the Japan Electronics and Information Technology Industries Association (JEITA).
Depth of eld
The distance between the nearest and farthest points that can be acceptably
focused in a photograph. Depth of eld varies with lens aperture, focal length, and
distance from the camera to the subject. Selecting a smaller aperture, for example,
will increase the depth of eld and blur the background of a composition.
Digital zoom
A feature that articially increases the amount of zoom available with a zoom lens
(Optical zoom). When using the Digital zoom, the image quality will deteriorate as
the magnication increases.
Glossary