Pentax K-7 K-7 Manual - Page 320
RAW data, Recorded Pixels, Sensitivity, Shutter Speed, sRGB standard RGB, Vignetting, White Balance
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318 RAW data Unedited image data output from the CMOS sensor. RAW data is data before being internally processed by the camera. Camera settings at the time of capture, such as White Balance, Contrast, Saturation, and Sharpness can be set for each frame after shooting. In addition, RAW data are 12 bit data that contain 16 times the information of 8 bit JPEG data. Rich gradations are possible. Transfer RAW data to your computer and use the provided software to create image data with different settings, such as JPEG or TIFF. Recorded Pixels Indicates the size of the image by the number of pixels. The more pixels that compose a picture, the larger the image size. Sensitivity The level of sensitivity to light. With a high sensitivity, images can be shot with a high shutter speed even in dark places, reducing camera shake. However, images with high sensitivity are more susceptible to noise. Shutter Speed The length of time that the shutter is open and light strikes the CMOS sensor. The amount of light that strikes the CMOS sensor can be changed by altering the shutter speed. sRGB (standard RGB) International standard of color space established by the IEC (International Electrotechnical Commission). This is defined from color space for computer monitors and is also used as the standard color space for Exif. Vignetting The picture edges are blackened when part of the light coming from the subject is blocked by the hood or filter ring, or when the flash is partially 10 blocked by the lens. White Balance While shooting, color temperature is adjusted to match the light source so that the subject appears to have correct color. Appendix
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