Adjusting Levels and Curves with Photoshop
When I was working with this photo of the sunset over the Grand Canyon last night, I realized that it was a perfect photo to demonstrate the power of the two quick Photoshop adjustments that improve almost any photo. They are adjusting the levels and curves. Almost all photos benefit from an adjustment to both of these elements. I opened the photo of the sunset which I shot using Canon's raw format (CR2). A "raw" file is actually not an image file; it's a data file that has to be opened with a program that can read it and process it as an image file. Photoshop has plug-ins for handling the raw files for all the common brands of cameras. Here's the before and after of the image: The original unadjusted photo has an orange cast. A lot of photos have casts, and especially wide-angle landscape photos. You can think of the cast as something like a colored mesh or filter over the entire surface of the photo. Adjusting levels will remove the color cast. So let's sta...

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Bolo lau kama..