Tham khảo tài liệu 'professional information technology-programming book part 14', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | . Save to DNG One scary thing about shooting RAW files is that very few cameras shoot RAW in what I have reason to believe will become a long-lasting and universal format Adobe s open source digital negative DNG . There are several reasons for this such as the branding ego of various camera manufacturers. The danger is that we know ultimately all these proprietary formats will drop out of existence either because of technological improvements marketing considerations or mergers and dissolutions of manufacturers. At that point you have your files in a format that is no longer supported. So be smart as soon as you download your images from the camera and have added the appropriate metadata see Chapter 1 use Adobe s DNG Converter to convert all your proprietary files to DNG. I save these files in a subfolder. I also save them in a folder called DNG backup. As soon as there are enough conversion files in the DNG backup folder to fill a DVD I do just that. If you have a new camera that sports a new RAW format make sure you ve loaded the latest version of the DNG Converter from the Adobe site http products dng . The DNG converter is very quick and easy to use. Of course it s annoying and easy to forget to perform any routine that s new to your work habits but you ll be very glad you did. Even if you think your particular iteration of your camera maker s proprietary RAW format will never disappear one more backup is just plain good insurance. The DNG Converter can translate the entire download folder at once and gives you the option to save the DNG files to separate folders. If you choose to save to .dng I recommend that you check only the Compressed DNG option the compression is lossless so why not save drive space and choose Medium as your JPEG preview size. You can see the Save to DNG dialog in Figure 4-1. Figure 4-1. The DNG Converter dialog. Here s the step-by-step process to save a DNG file 1. Download the converter and create a shortcut .
