The Vibrance Control in Adobe Camera Raw 4.x lets you increase saturation without clipping colours that approach full saturation. It does this by applying a non-linear increase in saturation so that less saturated colours are affected more than highly saturated colours. This is a good way to boost saturation whilst protecting skin tones.
You can press the Tab key to hide all panels in Bridge and see a larger preview.
If there are more than 10 images in a Stack, Bridge displays a playback button and slider for viewing all of the thumbnails in the stack as a "movie." If the playback button and slider don't appear, try increasing the thumbnail size. You can adjust the playback rate in the Preferences menu.
The JPEG file format does not support 16bpc.
Global to local: by default, adjustment layers are accompanied by a "reveal all" mask - global. You can localize the edits by painting on the mask with black or shades of gray. Make a mistake, paint with white to reveal the underlying image again.
You can set the sample size of the Eyedropper Tool. Using 3x3 Average or 5x5 Average (from the options bar at the top of the screen) assures that you don't select some random bit of noise by mistake and that you get closer to the colour you were after.
Pressing the D key will set the Foreground/Background colour selection boxes to their default colours in the Tools palette.
Double clicking on the Hand Tool in the Tools palette changes the view to Fit on Screen.
The PDF/A standard is a subset of the PDF specification which excludes PDF features not suitable for log term archiving. PDF/A documents are 100% self contained, thus ensuring that the documents can be accurately reproduced in the future.
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