Canon PowerShot G15 User Guide - Page 159

Shooting RAW Images Still Images RAW images are "raw" (unprocessed) data, recorded with essentially no loss of image quality from the camera's internal image processing. Use Digital Photo Professional (=30) to adjust RAW images as desired with minimal loss of image quality. zzPress the button, choose [ ] in the menu, and choose the desired option (= 47). Records JPEG images. JPEG images are processed in the camera for optimal image quality and compressed to reduce file size. However, the compression process is irreversible, and images cannot be restored to their original, unprocessed state. Image processing may also cause some loss of image quality. Records RAW images. RAW images are "raw" (unprocessed) data, recorded with essentially no loss of image quality from the camera's image processing. The data cannot be used in this state for viewing or printing on a computer. You must first use the included software (Digital Photo Professional) to convert images to ordinary JPEG or TIFF files. Images can be adjusted with minimal loss of image quality. For details on resolution and the number of shots that will fit on a card, see "Specifications" (=303). Records two images, both a RAW image and a JPEG image, for each shot. The JPEG image can be printed or viewed on a computer without using the included software. • When transferring RAW images (or RAW and JPEG images recorded together) to a computer, always use the included software (=30). • Digital zoom (=63), date stamps (=67), and red-eye reduction (=82) are set to [Off] in [ ] and [ ] modes. Additionally, i-Contrast (=132), My Colors (=137) and noise reduction level (=130) cannot be configured. • The file extension for JPEG images is .JPG, and the extension for RAW images is .CR2. 159