Olympus SP 310 SP-310 Advanced Manual (English) - Page 174

NTSC National Television Systems Committee / PAL Phase, JPEG Joint Photographic Experts Group

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Page 174 highlights

Glossary of terms 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). Flash Bracket A mount used to attach an external flash to the camera. Shadows on the subject can be changed by detaching the flash. The flash is used in combination with the flash cable. Image Size The size of an image expressed by the number of pixels that make up the image. For instance, a picture taken with an image size of 640 × 480 fills the computer screen when the monitor setting is 640 × 480. However, if the monitor setting is 1,024 × 768, the picture only takes up part of the screen. ISO A method for indicating film speed by the International Organization for Standardization (ISO) (ex. "ISO100"). 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 still images. Photographs (pictures) taken using this camera are recorded onto the card in JPEG format. By downloading these images to a 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. Noise reduction When shooting in dark places, shutter speeds become slower as there is less light focused on the CCD. During long exposures, signals are generated by parts of the CCD where no light is focused and are recorded on the picture as noise. When noise reduction works, the camera automatically reduces the noise to produce clearer images. NTSC (National Television Systems Committee) / PAL (Phase Alternating Line) Television formats. NTSC is mainly used in Japan, North America and Korea. PAL is mainly used in Europe and China. P (Program) Mode 10 Also called Program AE mode. The camera automatically sets the best shutter speed and aperture for the shot. PictBridge A standard for connecting digital cameras and printers of different makers and printing out pictures directly. 174 Appendix

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Glossary of terms
174
10
Appendix
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).
Flash Bracket
A mount used to attach an external flash to the camera. Shadows on the subject can
be changed by detaching the flash. The flash is used in combination with the flash
cable.
Image Size
The size of an image expressed by the number of pixels that make up the image. For
instance, a picture taken with an image size of 640 × 480 fills the computer screen
when the monitor setting is 640 × 480. However, if the monitor setting is
1,024 × 768, the picture only takes up part of the screen.
ISO
A method for indicating film speed by the International Organization for
Standardization (ISO) (ex. “ISO100”). 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 still images. Photographs (pictures) taken using this
camera are recorded onto the card in JPEG format. By downloading these images
to a 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.
Noise reduction
When shooting in dark places, shutter speeds become slower as there is less light
focused on the CCD. During long exposures, signals are generated by parts of the
CCD where no light is focused and are recorded on the picture as noise. When noise
reduction works, the camera automatically reduces the noise to produce clearer
images.
NTSC (National Television Systems Committee) / PAL (Phase
Alternating Line)
Television formats. NTSC is mainly used in Japan, North America and Korea. PAL
is mainly used in Europe and China.
P
(Program) Mode
Also called Program AE mode. The camera automatically sets the best shutter
speed and aperture for the shot.
PictBridge
A standard for connecting digital cameras and printers of different makers and
printing out pictures directly.