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Viewing RAW Images

A RAW image is like a photo negative. When your camera takes the photo, it captures all the raw data that makes up the image and it includes an embedded JPEG so that you can preview the image. The same as with a negative, it is necessary to develop your RAW file to view the photo.

When you double-click the thumbnail of a RAW image in Manage mode, ACDSee checks to see if you have previously developed the RAW file. If you have, ACDSee displays the developed photo in View mode. If you have not, ACDSee does one of the following:

When you zoom in on your undeveloped RAW image in View mode, if you have selected the Embedded preview option, and if you zoom past the resolution of the embedded JPEG, ACDSee quickly develops the RAW image so that you can see the image at that zoom level. When View mode changes the display from the embedded JPEG to the decoded RAW image, you might see a change in the color, light, or detail of the image. This is due to a difference between the settings applied by your camera to the JPEG and the settings used by ACDSee to develop the image. Since different camera models apply different color, light, and detail settings to embedded JPEGs, these settings do not always match the settings used by ACDSee. However, you can then use the ACDSee Develop tools to process the RAW image to use your preferred settings.

ACDSee will automatically apply geometry corrections to DNG files that include geometric distortion correction tags. DNG files created from the Adobe DNG ConverterĀ© will often generate geometric distortion tags for micro 4/3rds cameras.

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