Olympus D-580 D-580 Zoom Reference Manual - Page 160

Glossary of terms 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. DCF (Design rule for Camera File system) A standard for image files by the Japan Electronics and Information Technology Industries Association (JEITA). 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. 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). JPEG (Joint Photographic Experts Group) A compression format for color still images. Photographs (images) shot using this camera are recorded onto the 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. NTSC (National Television Systems Committee) / PAL (Phase Alternating Line) 9 Television formats. NTSC is mainly used in Japan, North America and Korea. PAL is mainly used in Europe and China. PictBridge It is the 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. Miscellaneous 159