Samsung WB750 User Manual page 136

Glossary Glossary
EV (Exposure Value) EV (Exposure Value)
All the combinations of the All the combinations of the camera's shutter speed and lens camera's shutter speed and lens
aperture that result in the same exposure. aperture that result in the same exposure.
EV Compensation EV Compensation
This feature allows you to quickly adjust the exposure value This feature allows you to quickly adjust the exposure value
measured by the camera, in limited increments, to improve the measured by the camera, in limited increments, to improve the
exposure of your photos. Set the EV exposure of your photos. Set the EV
adjust the value one step darker and adjust the value one step darker and
Exif (Exchangeable Image File Format) Exif (Exchangeable Image File Format)
A specification to define an image file format for digital cameras A specification to define an image file format for digital cameras
created by the Japa created by the Japa n Electronic Industries Development n Electronic Industries Development
Association (JEIDA). Association (JEIDA).
Exposure Exposure
The amount of light a The amount of light a llowed to reach the llowed to reach the
Exposure is controlled by a combination of the shutter speed, the Exposure is controlled by a combination of the shutter speed, the
aperture value, and aperture value, and ISO ISO sensitivity sensitivity.
Flash Flash
A speed light that helps to create adequate A speed light that helps to create adequate
conditions. conditions.
compensation to -1.0 EV to compensation to -1.0 EV to
1.0 EV to one 1.0 EV to one step step brighter brighter.
camera's camera's sensor sensor. .
.
exposure in low-light exposure in low-light
Appendixes Appendixes
Focal length Focal length
The distance from the middle of the lens to its The distance from the middle of the lens to its
millimeters). Longer focal lengths result in narrower a millimeters). Longer focal lengths result in narrower a
and the subject is magnified. Shorter focal lengths result in wider and the subject is magnified. Shorter focal lengths result in wider
angles of view. angles of view.
Histogram Histogram
A graphical representation of the brightness of an image. The A graphical representation of the brightness of an image. The
. horizontal axis represents the brightness and horizontal axis represents the brightness and
represents the number of pixels. High points at the left (too dark) represents the number of pixels. High points at the left (too dark)
and right (too bright) on the histogram indicate a photo that and right (too bright) on the histogram indicate a photo that
improperly exposed. improperly exposed.
H.264/MPEG-4 H.264/MPEG-4
A high-compression video format established by international A high-compression video format established by international
standard organizations ISO-IEC and ITU-T and developed by standard organizations ISO-IEC and ITU-T and developed by
Joint Video Team (JVT). This codec is capable Joint Video Team (JVT). This codec is capable
video quality at low bit rates. video quality at low bit rates.
Image sensor Image sensor
The physical part of a digital camera The physical part of a digital camera
each pixel in the image. Each photosite records the brightness of each pixel in the image. Each photosite records the brightness of
the light that strikes it during an exposure. Common sensor types the light that strikes it during an exposure. Common sensor types
are CCD are CCD (Charge-coupled Device) and CMOS (Complementary (Charge-coupled Device) and CMOS (Complementary
Metal Oxide Metal Oxide Semiconductor). Semiconductor).
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focal point (in focal point (in
ngles of view ngles of view
the vertical axis the vertical axis
is is
the the
of providing good of providing good
that contains a photosite for that contains a photosite for