Photoshop is named Photoshop for a reason; its for editing photographs. Take a look through some basic photo-editing techniques and learn how you can improve your own family photographs.
This is part 5 of a multi-part series. If you need a primer on the tools and skills covered in part 5, you can start at part 1, and learn about the toolbox. But, if youre ready, we can cover four techniques that can help you create better memories.
Cropping Images for Better Composition
Oftentimes, when you take a digital photograph, youll end up with a lot of information that you may not want. One of the first things youre going to want to do is learn how to crop your images, and the most convenient way to do this is using the Crop Tool.
Press the 
Youll notice a tick-box in the corners of your crop-box. You can move and resize your crop area to select the precise area you wish to crop.
You can press the 
Adjusting Contrast with the Levels Tool
Shooting images on overcast days can give you gloomy images that are either too dark or devoid of detail. While the Brightness and Contrast tool is an acceptable way to adjust your images, the best tool to use is usually the Levels tool.
With your photograph open, simply press 
The three sliders (the 
Clicking OK will close the Levels and render them. Immediately, we see more detail in the bird, and our sky is less overcast and gloomy. With little effort at all, you can give your photographs a more naturalistic look and bring out detail you might not have known that you even had!
Adjusting Color-Shifted Lighting
One of the biggest problems with taking pictures indoors is that a lot of indoor lighting will be tinted with a yellow, red, or blue cast. Your eyes may not pick up the difference, but your camera sees light very differently than our eyes do. Heres a simple way to remove reduce the color of an overwhelmingly yellow image.
Youll want to navigate to Image > Adjustments > Selective Color.
Selective Color is a tool that allows you to adjust your image through various primary colors. These are: Red, Green and Blue, the primary colors of light; Cyan, Magenta, Yellow, and Black, the primary colors of printing; and also by Whites and Neutrals.
Since our image has a yellow cast to it, I select Yellows from the Color menu box. You can use the adjustments illustrated above, or find the ones that work for your image. The basic premise is to reduce the color(s) you wish to remove (in this case, Yellow) and, in some cases, add color to the opposing primary colors (in this case, Cyan, Magenta, and Black.) Thats basically a complicated way of saying less yellow, more red, blue, and black.
Compared to the original image, the lighting on this now appears as clear and white as natural sunlight and the original looks aged and yellowed. If you notice this yellow cast on your images and want to remove it, this can often be your best bet.
Sharpen Blurry Photographs without Damaging Color
Sometimes dim indoor lighting can give a warm and fuzzy effect to your photography. Unfortunately, the fuzzy bit is a problem, as dim indoor lighting tends to make images come out blurry. There are many Photoshop filters that can sharpen an image, but many can damage color or heavily distort an image. This surprisingly easy trick can help sharpen shots and keep color intact.
Lab color is an alternate color space, like RGB and CMYK. It is unusual and most digital art files outside of the professional photography world will not use it.
In order to switch your photograph to Lab color, to go Image > Mode > Lab Color, as illustrated above.
Changing images to CMYK will give you a color shiftnot so with Lab color. Your RGB image remains identical without any sort of color shift. On to the next step.
Flip to your Channels Panel. If you cannot find it, you can always retrieve it by going to your menu Window > Channels.
Pick the Lightness channel, which will look like a grayscale version of your image.
If your image doesnt change to grayscale, try again. We need to work exclusively in this grayscale channel for this tip to work.
Navigate to Filters > Sharpen > Unsharp Mask. Unsharp Mask can increase contrast and tighten edges Photoshop perceives in images. The illustrated values are overdoing it somewhatfind values that work well with your own image.
Still in our Lightness channel, 
Our final result is a fair improvement over the soft-edged original. You can return your image to RGB color by navigating to Image > Mode > RGB and save it as a PSD or JPG file. Its also a good habit to save multiple versions of your Photographs in order to return to the original, effectively undoing your edits if needed.
Photoshop tips left you confused? Start at the Beginning! Check out the previous installments of the How-To Geek Guide to Learning Photoshop.
Come back to How-To Geek for the next installment of the How-To Geek Guide to Learning Photoshop, where well cover tools for design, painting, and filters to create great works of digital art!
All images created by the author, hereby released under Creative Commons 3.0 Unported License.
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