Читать книгу Collins Complete Photography Projects - John Garrett - Страница 11

This format stores all the information from the sensor in an unprocessed and uncompressed form. It is the pure information of the picture and can be likened to a film negative. Once downloaded to the computer it has to be processed, with the photographer applying settings of brightness, contrast, colour balance and so on. After the interpretation has been made it is saved as a separate TIFF or JPEG file, leaving the original RAW file untouched and available for a new interpretation at a later date. TIFF files are not compressed like a JPEG file and provide better quality, so they are the option to choose if you plan to do extensive retouching.

Raw files are large and take up a lot of space on the memory card, but this has become less of a problem now as the price of memory has dropped considerably in recent years.