Olympus D545 D-545 Zoom Advanced Manual (English) - Page 122

JPEG Joint Photographic Experts Group, TFT Thin-Film Transistor Color Monitor

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Page 122 highlights

Glossary of terms 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. JPEG (Joint Photographic Experts Group) A compression format for still images. Photographs (images) shot using this camera are recorded 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. 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. PictBridge A standard for connecting digital cameras and printers of different makers and printing out pictures directly. Pixels A pixel is the smallest unit (dot) used to make up an image. Clear large-sized printed images require millions of pixels. Sleep Mode A mode designed to save battery life. The camera automatically enters the sleep mode if you do not operate it for a certain time. To exit the sleep mode, use any button on the camera (shutter button, arrow pad, etc.). TFT (Thin-Film Transistor) Color Monitor A transistor color monitor constructed using thin-film technology. TTL (Through-The-Lens) System To help adjust exposure, a light receptor built into the camera directly measures the light passing through the lens. 9 122 Appendix

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Glossary of terms
122
9
Appendix
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.
JPEG (Joint Photographic Experts Group)
A compression format for still images. Photographs (images) shot using this camera
are recorded 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.
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.
PictBridge
A standard for connecting digital cameras and printers of different makers and
printing out pictures directly.
Pixels
A pixel is the smallest unit (dot) used to make up an image. Clear large-sized printed
images require millions of pixels.
Sleep Mode
A mode designed to save battery life. The camera automatically enters the sleep
mode if you do not operate it for a certain time. To exit the sleep mode, use any
button on the camera (shutter button, arrow pad, etc.).
TFT (Thin-Film Transistor) Color Monitor
A transistor color monitor constructed using thin-film technology.
TTL (Through-The-Lens) System
To help adjust exposure, a light receptor built into the camera directly measures the
light passing through the lens.