To apply a lens adjustment and special effects to the pixels of an image, you combine the lens with the image background. Combining a lens with the image background reduces the file size of the image and lets you save the image to a non-native file format. If you save an image as a Corel PHOTO-PAINT file, lenses are saved with the image and do not have to be combined. Once a lens is combined with the image background, the lens cannot be selected or modified.
When you combine a lens with the image background, you can choose a merge mode to enhance the results. For information about merge modes, see Merge modes.
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