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Photoshop CS4 for Photographers is an essential course for any digital photographer who wants to master the software's vast array of image enhancement techniques. Professional photographer and instructor Chris Orwig uses his own compelling images to demonstrate how the power of Photoshop can make photographers more passionate about their work. He covers many aspects of the application, such as working with RAW images, using curves and levels, making images snap, and enhancing bland photographs by converting them to black and white. Exercise files accompany this course.
I want to take a couple of more movies in order to talk about how we can use our different Eyedroppers. In this movie we will be working on the file corwig_london.tif. So double-click to open that in Photoshop. F to go to Full Screen View mode. Now instantly we know there is a color problem, but let's just check. Press the I key on your keyboard and then hold down the Shift key and add a couple of points here. And I'm going to add one point on the white, one point on this brighter tone and then I have another point here on this part of the Subway sign. We will open up the Info palette and see what we have. Well, for starters we see that our numbers are pretty close in our green or blue channels, yet our red channel, that's pretty problematic. That's where we need to correct the problem.
Now although we know that it should be white, this point actually isn't going to help us out very much because that white is so bright and a lot of times those bright whites get a little bit tricky. Although it could help us out a bit. Let's go ahead and navigate down to our Image pulldown menu and choose Auto Color and see how it did. We will go ahead and look at our Info palette and here we can see that those numbers, yeah, they are definitely closer, although this number, this value here is still a little bit more off. One of the things that we are going to discover is that Auto can do a pretty good job. Well, let's undo that and then let's open up our Curves dialog. So I have clicked in this layer, I'll press Command+M to open up Curves.
Now here what I'm interested in doing is I'm going to go ahead and grab my White Eyedropper and double-click that. Now this is going to allow me to control my brightest white point, and I want to change that to 95%. So I'm saving my brightness value for the area that I'm going to click, the brightest whiteness image is going to be 95%. I'll click OK and then I'll click on this portion of the image. Now once I have done that we can see that, yeah, you know what it color corrected that area, let's go ahead and color correct these other areas. I'm going to grab my mid-tones Eyedropper and I'm just going to guess that this is not quite mid-tone, but pretty close and I'll click in that area, and then I'm going to go ahead and click OK to apply that defaults, no, not for now.
Okay, well let's look at our numbers for a second. Here we can see the first point are whites, those are much closer together. These numbers are close as well as these numbers. Although they are not quite as close, we will close this for a moment. They are pretty close and then we have some deep tones there. So overall our color correction went pretty well. Here is our before and then after. All right, well so far we have seen how we could color correct this image with Auto Color. We have seen how we can use Curves, what about Camera Raw. Let's close this file Command+W on a Mac/ Ctrl+W on a PC, and let's go back to the Bridge and let's color correct this one in Camera Raw and we will do that in the next movie.
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