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[ADOBE TV Presents...] [♪♪]
[♪♪] [Julieanne Kost in]
[♪♪]
[Getting Started with ADOBE PHOTOSHOP LIGHTROOM 3]
Hi and welcome. My name is Julieanne Kost.
In this tutorial we're going to be discussing how to crop a single image
as well as multiple images in Lightroom as well as how to perfect our images
by reducing lens defects like geometric distortion, chromatic aberration,
and vignetting.
I'm going to start here in the Library module.
You can see that I have a collection of images targeted.
And although I can use Quick Develop to change the crop aspect ratio of my image,
I think we're going to want more control than that.
So let's go ahead and move to the Develop module.
The quickest way to access the Crop tool
is by using the keyboard shortcut.
In this case it's not the C key but the R key,
and I try to remember that by remembering that it is the Crop tool
and it will rotate and resize your images.
So R for crop.
If you don't want to use the keyboard shortcut,
you can simply click on the Crop tool here underneath the histogram.
Once we select the tool, you can see that we have some different options here.
But let's just talk about the basics.
First of all, you'll notice that as soon as you select the tool
you get a crop overlay and you can click and drag on any of these anchor points
to change the crop.
Or if you simply want to drag out your own crop, click and drag anywhere in the image.
By default, the aspect ratio is locked and it's set to the original aspect ratio.
If I want to unlock it, just click the Lock icon.
Now you'll notice that I can drag out any size crop.
Once I've settled on a crop, if I need to reposition the image
I just click and drag the image to reposition it underneath the crop marquee.
When I'm satisfied with the crop and I tap the Return or Enter key,
that crop will be applied.
However, nothing I do in the Develop module in Lightroom is permanent.
So you'll notice if I tap the R key again,
all of the rest of my image is still there
and I can modify the crop at any time.
If I need to rotate my image, I can do that in many different ways.
The easiest, however, is simply to position your cursor outside of the crop marquee,
and you'll notice that it turns into this double-headed arrow.
Now I can click and drag in order to rotate the area inside my crop.
I can also use the Angle slider right here
or I can use the Angle tool and actually click and drag,
for example, if I had a horizon in my image that I wanted to straighten.
I've also got a Crop Overlay.
You can see the little rule of thirds that's being displayed there.
That's controlled underneath the Tool menu under Crop Guide Overlay.
By default, it's set to thirds.
I actually prefer the grid, so I'm going to select that.
But I don't need the grid to show all the time,
so I'm going to return back to Tools and go to Tool Overlay.
Instead of always showing the grid,
I want to select Auto Show.
Now you'll notice that as I'm dragging the Crop tool
or when I'm clicking and dragging to straighten it,
that's the only time that the overlay will appear.
All the rest of the time I can simply see my image.
If I have a specific aspect ratio in mind,
I'll turn the Lock icon back on by clicking on it
and then choose from the list.
Or if I need to enter in a custom value, I can do that as well.
For now I'll choose 4x5.
I'll reposition my image and then tap the Enter or Return key.
If I want to apply that same crop to multiple images,
I can select them down here in the filmstrip and then click the Sync button.
There are a variety of different things that I can synchronize as far as cropping.
I can synchronize the straighten angle or the aspect ratio or both by clicking on the Crop.
When I click Synchronize, all of the selected images will have that same crop applied.
Then it's very easy for me to choose these other images
and, if needed, tap the R key to show the crop and then reposition that crop
and tap the Enter or Return key in order to apply it. Excellent.
Let's go ahead and move to this next image
where I want to talk about how to reduce your lens defects,
like geometric distortion and chromatic aberration as well as vignetting.
You'll notice in Lightroom 3 on the right-hand side we have a panel called Lens Corrections.
And there's two areas: the Profile area and the Manual area.
This image was photographed with a 24 to 105 lens,
and it was set closer to 24, and that's why we're getting this distortion
in the front of the building.
In order to correct that, I will enable the Lens Profile Corrections.
Because Lightroom can read the EXIF data of this image,
it knows the make and model and therefore can apply the correct profile automatically.
As you can see, we've created profiles for a number of different Canon
as well as Nikon and Sigma lenses.
But obviously, it would be impossible to create profiles for every single camera
and lens combination.
So we've created a utility, the Adobe Lens Profile Creator tool.
It's a free utility that you can download from labs.adobe.com
Basically, there's directions for how to print out some test charts,
photograph them in a few different ways with the camera and lens combination
that you're using, and then load those files into the Profile Creator tool
in order to create that profile.
I think the utility for creating your own custom profile
is an excellent way that photographers who might be using
maybe a less common lens and camera combination
will be able to create their own profiles and then share them with the community.
Okay. Let's move on to this next image here.
Here we can see that I need to enable the Lens Profile Correction.
So I'll turn that on.
But that only fixes the distortions in the actual lens.
What it's not doing is it's not correcting the perspective correction.
In order to do that, I'm going to switch over to the Manual area.
In previous versions of Lightroom we had the lens vignetting and chromatic aberration.
And we still have those options, but now we also have the option to transform our images.
So in this case I'm going to need a little bit of vertical distortion.
So I'll start moving my slider to the left here in order to decrease that,
maybe to about 18 or so.
One of the nice features is that when I have my cursor
positioned on top of one of these sliders,
I get the Grid Overlay.
When I move my cursor away from the slider, that Grid Overlay
will automatically hide itself.
But it's nice to have it accessible when I'm actually moving the slider.
I also want to change my horizontal scale just a wee bit, maybe over to about 5 or so.
We can toggle this on and off.
There is before and then there is after.
In the lower left-hand corner you can see as I've made these transformations
I've got a gray area here appearing.
There's a variety of different ways I can take care of that.
If I wanted to, I could take the image into Photoshop at this point
and use the Content Aware Fill in order to try to fill those areas.
Or in Lightroom I can simply click to constrain the crop
and Lightroom will crop out the areas that don't contain any information.
If I wanted to apply those same settings to multiple images,
I would select them down in the filmstrip and then click Sync.
I can synchronize all of my lens corrections
or I can just synchronize the lens profile corrections.
In this instance, that might be a better idea because each one of these images
might need different transformations. Excellent.
Let's take a look at one more example.
Before I enable the lens profile corrections, I want to zoom in on this image.
You can see here that this photograph has a lot of chromatic aberration in it,
and that occurs when you're shooting with a wide angle lens,
especially on the edges of your file in really contrasty situations.
So I want to remove that, and I can do so by simply enabling the Lens Profile Correction.
However, let's zoom out.
We can see that I've removed the distortion, the chromatic aberration,
but I've also removed the vignetting.
This Amount area down here at the bottom of the Profile area
allows me to kind of turn up or turn down the volume of the distortion,
chromatic aberration, or vignetting.
I think it's done a great job on the distortion and the chromatic aberration,
but I actually liked the vignetting that I was getting in Camera.
So I'm going to dial down the amount of vignetting that is being corrected
by the profile.
So these are kind of manual overrides to the profile that you apply.
Obviously, this image needs a little bit of manual work
as far as the perspective correction,
so let's go ahead and do that as well.
I'm simply going to remove some of that perspective distortion
and then also remove the horizontal distortion. Excellent.
If I wanted to add a little bit more vignetting, I can either lighten up the edges
or darken down the edges, and of course I can bring my midpoint
more towards the center of my image to kind of pull your eye into the center here.
I can also combine this by using the Crop tool.
Tapping the R key, I can go in and I can crop this down a wee bit
and adjust the crop as needed.
To apply the crop, simply tap the Enter or the Return key. Excellent.
That wraps up this session on lens correction and perspective correction
as well as cropping in Lightroom.
My name is Julieanne Kost. Thank you for joining me.
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