Pentax Optio E90 Black K-5 K-5 manual - Page 365

363 CMOS sensor Photography element which converts light entering through the lens into electric signals that create an image. Color Space A defined range of colors from the spectrum which are used. In digital cameras, [sRGB] is defined as the standard by Exif. In this camera, [AdobeRGB], which supports a wider color gamut than sRGB, can be also used. Color Temperature This numerically expresses the color of the light source illuminating the subject. This is indicated in absolute temperature, using Kelvin (K) units. The color of light shifts to a bluish color as the color temperature rises, and to a reddish color as the color temperature falls. Dark Portion Underexposed area in an image loses contrast and appears black. DCF (Design rule for Camera File system) A digital camera file system standard established by the Japan Electronics and Information Technology Industries Association (JEITA). Depth of field Area of focus. This depends on the aperture value, lens focal length, and distance to the subject. For example, select a smaller aperture value (higher number) to increase the depth of field or use a larger aperture value (smaller number) to decrease the depth of field. DNG RAW file DNG (Digital Negative) is a general-purpose RAW file format designed by Adobe Systems. When images captured in proprietary RAW formats are converted to DNG format, support and compatibility for the images increases significantly. 11 Appendix DPOF (Digital Print Order Format) Rules for writing information onto a card with recorded images regarding the specific images and number of copies to be printed. Prints can easily be made by taking the images to a DPOF photo printing store.