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In this workshop digital imaging guru Tim Grey focuses on the Develop module of Adobe Lightroom 4. Starting with an overview of the image optimization workflow in Lightroom, Tim walks you through the process of evaluating your images and deciding what adjustments you need to make. He teaches you how to use the Develop module's presets to achieve quick results, as well as how to apply your own adjustments, from simple exposure and color adjustments to advanced options like the Tone Curve and the Graduated Filter tool. Learn techniques for cleaning up your images, applying creative adjustments, and duplicating adjustments across multiple images. Finally, get some tips for integrating Lightroom and Photoshop to create panoramas and high dynamic range images.
Sometimes as photographers, we might get a little frustrated about Vignetting photos when the corners appear darker than we'd like them to caused by light fall off in the lens. But in other cases, we might actually want to add a Vignetting effect and that's where the Post-Crop Vignetting comes into play. We can compensate for Lens Vignetting with Lens Correction Adjustment but if we want to apply a Vignetting as a creative effect, we'll want to use the Post-Crop Vignetting. That makes sure that the Vignette effect happens inside the cropped area of the photo, not always out at the edges the way it does with the Lens Corrections Adjustment.
Let's go ahead and scroll down on the right panel in the Develop Module so we can get to the Effects section and there, we'll find the Post-Crop Vignetting controls. We'll start off by adjusting the amount. We can move the slider over to the right if we want to brighten the edges of the photo or to the left if we want to darken the edges of the photo. I'll go ahead and keep a relatively dramatic darkening effect here just so that we can better see the behavior of the other sliders. The Midtone slider allows us to move that Vignette effect in closer to the center of the image, or further out toward the edges of the image. I'll keep this at a moderate value at the moment.
We can also adjust the roundness of the Vignette effect. If we move the slider to the left, we'll expand out that Vignette, and make it more of a rectangular type of shape, and moving to the right will cause that Vignette effect to become more of a round shape. The feathering determines how much transition there will be between the area being affected by the Vignette and the area that is not being affected. If I move that Feather amount over to the left, you'll see that we get a very crisp transition, if I move it over to the right, we get a more gradual transition of that effect. In addition, we can control the style of the vignetting. We have Highlight Priority, Color Priority, and Paint Overlay. Highlight Priority will keep the bright areas that appear in the Vignette as bright areas.
For example here, I have some snow that shows up in the background. And I might want to keep those highlights in place rather than darkening them down significantly. I can also choose Color Priority if I want to prioritize preserving the color values within those areas of the image. And finally, Paint Overlay will literally just paint a dark or light value over the pixels. That tends to create a little bit of a muddy appearance, so I tend to favor the Highlight Priority option. In any event, we can adjust the highlight value then, if I increase the Highlight slider, you'll see that the bright areas in that Vignette area continue to show up as being right.
And I can move to the left to keep them muted down just a little bit. In the case of Specular Highlights, I would tend to increase the Highlights value because those Specular Highlights would tend to shine through the darkened effect of the Vignette. But otherwise, I do tend to use a relatively low value for Highlights. You can continue then to fine tune the adjustment for our Vignette effect. Usually, less is more. Obviously in some cases, you might want a particularly strong Vignetting effect. But more often than not, just a little bit of an effect will go a long way toward changing the tone of an image. Now, at first glance, this Vignetting effect that I have applied might not seem all that strong.
But if I turn off the effects with the switch at the left of the Effects header, you'll see that it's actually a pretty dramatic darkening of the edges of the photo. So, it can be a good idea to turn off that vignetting and turn it back on to get a better sense of just how strong it is and then, fine tune accordingly. Here, for example, you see that I have increased that amount a little bit but it's still a negative value and so we switch the effect off and on, you will see that we will still have a rather strong effect. So, again usually, less is more but it's up to you to determine how much darkening or lightening around those edges you would like to see.
And of course, as you have seen here, we have a lot of controls for being able to really fine tune that effect.
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