Start with any image like this original Photos.com image.

I’m going to introduce you to another very powerful feature of Photoshop; it’s called an adjustment layer. Adjustment layers give you the flexibility and power to make powerful, dramatic improvements to your images WITHOUT altering any pixels (what did you say?!). Not only that but they are instantly disposable, temporary or permanent and easily alterable (change the settings if you don’t like them immediately). An adjustment layer appears on top of other layers in the layers palette and applies the layer of the adjustment itself to the visible layers beneath it.

There’s a few ways to create these. First go to the Layer: New adjustment layer: and then choose and adjustment such as Levels.

Press OK when this box comes up unless you want to name it now.

Now you simply make your changes in the adjustment layer’s individual dialog box. Get the settings that you want and press OK.

And for the purpose of example just doing something pretty outrageous to show you the effect of what’s going on. Go ahead and move the outer sliders to the middle to really increase the contrast.

You can see the effect of the entire image is now extremely contrasted. Note the layers palette. This is important to understand; the layer order of the adjustment layers. It can start to get complicated when you get involved with multi-layer graphic designs and some of which include custom adjustment layers (get my Basic Photoshop dvd training). But for now you need to understand that adjustment layers apply to all visible layers beneath it in the layers palette.

Just double click on an adjustment layer icon in the layers palette to bring up the editing field to make your ‘adjustments’. This is simply a fast and efficient way to touchup all of your photographs if you want. The other method is to duplicate your background layer to make an adjustment on that layer itself, but with an adjustment layer you have a tentative and flexible adjustment itself.

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