When you are applying ratings, flags or color labels to your batch of images, you can actually tap on the Caps Lock key to enable auto advance in Lightroom.
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Lightroom Tips
Lightroom Tips: Luminance For Dramatic Skies
Bright and sunny day would be a nice time to shoot a beautiful sky, but if you are trying to expose a subject under shades or with their backs to the sun, you will more often than not get blown out or lack of sky details due to the dynamic range of a typical digital camera.
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