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128
Chapter 9
Glossary of terms
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 automatically have the
desired images printed by a printer
or print lab that supports the DPOF
format.
Effective Pixel Resolution
The number of pixels used in the
CCD to create the image.
EV (Exposure Value)
A system for measuring exposure.
EV0 is when the aperture is at f1
and the shutter speed is 1 second.
The EV then increases by 1 each
time the aperture increases by one
F stop or the shutter speed
increases by one increment. EV
can also be used to indicate
brightness and ISO settings.
Exposure
The amount of light used to
capture an image. The exposure is
determined by the time the shutter
is open (shutter speed) and the
amount of light that passes
through the lens (aperture).
Gross Pixel Resolution
The total number of pixels in a
CCD. Not all pixels are used to
create the image.
ISO
A method for indicating film speed
by the International Organization
for Standardization (ISO). Higher
ISO values indicate greater
sensitivity to light, so images can
be exposed even in low-light
conditions.
JPEG (Joint Photographic
Experts Group)
A compression format for color still
images. Photographs (images)
shot using this camera are
recorded onto the xD-Picture Card
in JPEG format when the Record
mode is set to SHQ, HQ or SQ. By
downloading these images to a
personal computer, users can edit
them using graphics application
software or view the images using
an Internet web browser.
M (Manual) Mode
The user sets both the aperture
and shutter speed.
NTSC/PAL (National Television
Systems Committee/Phase
Alternating Line)
Television formats. NTSC is mainly
used in Japan, North America,
Taiwan and Korea. PAL is mainly
used in Europe and China.
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