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Glossary of terms
A (Aperture Priority) Mode
You set the aperture yourself and the camera automatically varies the shutter speed so
that the picture is taken with the best exposure.
AE (Automatic Exposure)
The camera’s built-in exposure meter automatically sets the exposure. The 3 AE modes
available on this camera are
P
mode, in which the camera selects both the aperture and
shutter speed,
A
mode, in which the user selects the aperture and the camera sets the
shutter speed, and
S
mode, in which the user selects the shutter speed and the camera
sets the aperture. In
M
mode, the user selects both the aperture and the shutter speed.
Aperture
The adjustable lens opening which controls the amount of light that enters the camera. The
larger the aperture, the shorter the depth of field and the fuzzier the background. The smaller
the aperture, the greater the depth of field and the sharper the background. Larger aperture
values indicate smaller apertures, and smaller aperture values indicate larger apertures.
Backlight
A light source to illuminate the monitor from behind the screen.
CCD (Charge-Coupled Device)
This converts light passing through the lens into electrical signals. On this camera, light is
picked up and converted into RGB signals to build a single image.
Contrast Detection System
This is used to measure the distance to the subject. The camera determines if the image is
focused by the level of contrast in the subject.
Conventional Photograph
This refers to recording images using silver halide (the method for recording images in
conventional, non-digital photography). This system is in contrast to still video and digital
photography.
DCF (Design rule for Camera File system)
A standard for image files by the Japan Electronics and Information Technology Industries
Association (JEITA).
Depth of field
The subject itself as well as some area to the front and rear of the subject are focused. The
entire depth of this focused area, from the front to the rear of the subject, is called “depth of
field”.
Digital ESP (Electro-Selective Pattern) Light Metering
This determines the exposure by metering and calculating the light levels in the center and
other areas of the image separately.
DPOF (Digital Print Order Format)
This is for saving desired print settings on digital cameras. By entering which images to
print and the number of copies of each, the user can easily have the desired images
printed by a printer or print lab that supports the DPOF format.
Dual Auto Focus
An auto focus system that uses two different focus detection systems in combination. This
camera uses the CCD’s contrast detection system in combination with the specified
sensor’s phase difference detection system, nullifying the shortcoming of each system.
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