Digital cameras tend to cause various problems, such as “red eye” or “hot spots”, if you use flash, or underexposure, if you don’t. In Photoshop, you can correct  these problems, as well as adjust the overall color of your digital photo

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Red Eye Removal

The digital camera flash is located right above the lens, which causes the “red-eye”; however, you can fix your photos easily in Photoshop.To remove the “red eye”, follow the steps below:

1. Open  a photo you wish to correct.

2. Select the Zoom Tool from the Toolbox. Click and drag a rectangle around the eye (Figure 21).

Figure 21. Red eye zoomed in

3. Make sure your default Foreground and Background colors are black and white

4. Click and hold on the little black triangle of the Healing Brush Tool button and select the Red Eye Tool (Figure 22).

5. Click on the red part of the eye and paint, holding down the mouse button.You will see how the red will disappear (Figure 23).

Figure 23. Red eye corrected

Hot Spot Removal

Using a flash can also cause shiny areas on peoples’ faces or the flash to reflect on shiny surfaces.To correct this problem, follow the steps below:

1. Open the photo you wish to correct.
2. Select the Clone Stamp Tool from the Toolbox.
3. In the Options bar, change the Blend Mode from Normal to Darken (Figure 24).

Figure 24. Setting the options for the Clone Stamp Tool

4. Set the Opacity to 50 percent.
5. Choose  a soft-edged brush, set the diameter to 40 or 50.
6. Hold down the Shift key and click in the clean area (without “hot spots”) to get a sample of color (Figure 25).

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Figure 25. Clone Stamp selection

7. Paint over the “hot spot”, the light area will gradually darken (Figure 26).

Adding Flash

If you took pictures indoors without a flash, they will turn out underexposed and dark.To fix underexposed photos, follow these steps:

1. Open a digital photo you wish to correct (Figure 27).

Figure 27. Underexposed  photo

2. In the main menu, go to Layers > Duplicate. In the next window, name the layer Layer 1.

3. Make sure Layer 1 is selected in the Layers palette. Select Image from the menu, select Adjustments and select Exposure (Figure 28). Select the amount of exposure.The whole image will lighten.

Figure 28. Changing the Blending Mode

4. Keep duplicating Layer 1 untill you are satisfied with the your image (Figure 29).

Figure 29. Corrected photo

Color Adjustment

Color adjustment options in Photoshop CS6 can help you to make your digital photos look more natural.To color correct your images, follow these steps:

1. Open the image you wish to correct.
2. In the main menu, go to Image > Adjustments > Levels.You will see a dialog box displaying  a diagram of the colors in your image (Figure 30).The black triangle is for shadows, the gray is for midtones, the white is for highlights. In the Channels dropdown  menu, you can choose between RGB.These indicate whether your changes effect all the colors, or just one (red, green, or blue).

Figure 30. Levels dialog box

3. Make sure the Preview box is checked off. Choose the channel you wish to change and drag the triangles. Dragging the black triangle to the right will make the shadows in your photo darker. Dragging the white triangle to the left will make the highlights in your photo lighter, and dragging it to the right will make the midtones darker.You will be able to see the changes in your image. Figure 31 shows an underexposed  photo. By correcting the highlights and making the image lighter, we are able to make the photo appear much brighter (Figure 32).

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Figure 31. Underexposed  photo

Figure 32. Corrected photo

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