Photoshop cs5 cho nhiếp ảnh gia part 2 pdf
Photoshop cs5 cho nhiếp ảnh gia part 1 doc
... shown in Figure 1. 2). Although you can create motion blurs in Photoshop,
planning your image ahead of time (for example, using a slow shutter speed combined
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c ... in the “Exposure” section of this chapter) to optimize
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■ CHOOSING RAW VERSUS JPEG
Figure 1. 3 A section of an image originally captured...
Photoshop cs5 cho nhiếp ảnh gia part 2 pdf
... n An o n
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c h a p t e r 1: THINKING DIGITALLY ■
25 6 possible tonal values, each pixel has 16.7 million (25 6 × 25 6 × 25 6) possible color
values, as shown ... Component Possible Colors per Pixel
8 bits JPEG 25 6 16.7 million
12 bits RAW 4,096 68.7 billion
16 bits PSD, TIFF 65,536 28 1 trillion
Now, 16 million color choices may seem like more t...
Photoshop cs5 cho nhiếp ảnh gia part 3 pot
... to your exposure.
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■ UNDERSTANDING HISTOGRAMS
Figure 1.8 If your image contains very saturated colors, the RGB histogram may indicate potential blown-out ... you may be
able to capture those areas of the flower or bird with more detail.
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c h a p t e r 1: THINKING DIGITALLY ■
Compare the image and histogra...
Photoshop cs5 cho nhiếp ảnh gia part 4 pps
... the right is just before the end of the histogram.)
Ph ot o b y EllEn An o n
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c h a p t e r 1: THINKING DIGITALLY ■
Figure 1.9 A histogram for this shade ... see a histogram
that looks like Figure 1.11, you need to add light to your exposure.
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■ UNDERSTANDING HISTOGRAMS
Figure 1.13 shows an overexposed...
Photoshop cs5 cho nhiếp ảnh gia part 5 doc
... (overexposed), it
records a maximum value of 255 and a corresponding voltage level is produced. Light
levels in between are recorded as some value between 0 and 255 .
Although silicon doesn’t suffer directly ... histogram.
Note: Some photographers new to digital and Photoshop think they don’t have to worry about
exposure anymore because they can “fix it” later in Photoshop. The harsh re...
Photoshop cs5 cho nhiếp ảnh gia part 6 pot
... important to remember that Photoshop enables
you to combine images in a seemingly infinite variety of ways. You have to adjust your
thinking to include seeing the potential for an image.
Expanding ... we’ll discuss it more
in Chapter 8. In addition, there are several other ways to combine 16- bit exposures
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■ COLOR MANAGEMENT
Color-Management Esse...
Photoshop cs5 cho nhiếp ảnh gia part 7 ppsx
... how to remove objects in Photoshop in Chapter 5.)
Aperture and Lightroom
A few years ago the software choices for digital photography were fairly limited;
Photoshop and Photoshop Elements dominated ... themselves to photographing parts of a picture that you will later combine in
Photoshop. You can create libraries of these image elements to use at some later time.
6 073 43c01.indd 32...
Photoshop cs5 cho nhiếp ảnh gia part 8 pptx
... unchecked and instead
double-click an image or right-click on an image and choose Open with
> Photoshop Elements 8,
you will see the limited version of ACR. In that case there’s an Open button ... unchecked and instead
double-click an image or right-click on an image and choose Open with
>
Photoshop Elements 8,
you will see the limited version of ACR. In that case there’s a...
Photoshop cs5 cho nhiếp ảnh gia part 9 pps
... help Bridge run faster. As shown in Figure 2 .9, check Adobe Bridge, Adobe Out-
put Module, Adobe Photoshop CS5, and Auto Collection CS5.
Figure 2 .9 Select only those scripts that you need in ... check box is cleared, raw files open into ACR hosted by Photoshop.
When you check the box, the ACR dialog box opens without launching Photoshop.
This may seem like a subtle distinction, bu...
Photoshop cs5 cho nhiếp ảnh gia part 23 pdf
... some of the settings.
Access the Preferences dialog box by choosing Edit
> Preferences > General from the
menu. (On a Mac, choose Photoshop
> Preferences > General.)
Note: Because ... Profile Mismatch dialog box.
For Photoshop Elements Users: Color Settings
Elements 8 has a far simpler but less robust approach to color management than Photoshop CS5.
It limits you to n...
Photoshop cs5 cho nhiếp ảnh gia part 32 pdf
... Contents
Understanding Layers
Flexible and Traditional Workflows
Cropping and Straightening in Photoshop
Doing Cleanup in Photoshop
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■ U NDE RSTA NDI NG L AY ERS
Even ... efficiently. We’ll suggest two
versions of an overall workflow that you can
modify to suit your particular needs. One
version is more flexible and takes advantage
of Smart Object...
Photoshop cs5 cho nhiếp ảnh gia part 34 pdf
... images eciently.
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■ C ROPPING A ND ST R A I G H T E N I NG IN PHOTOSHOP
8. Once the crop boundary is where you want it to be, to make Photoshop per-
form ... several important options. You can opt to
have Photoshop permanently delete the cropped areas or just to hide them.
To crop nondestructively, choose Hide. CS5 adds the option to app...
Photoshop cs5 cho nhiếp ảnh gia part 37 pdf
... 229
■ DOING CLEANUP IN PHOTOSHOP
Try It! Open the image named AddCanvas from www.sybex.com/go/photoshopnature,
and try adding canvas while making the background ... bird’s body, or another bird
that’s partially visible. Before you do any cloning or healing, use the Lasso tool or
another selection tool to carefully outline the part of the subject that you need ... natural-looking
repla...
Photoshop cs5 cho nhiếp ảnh gia part 41 pdf
... Anchor points allow you
to place a handle on a particular point on the curve and adjust its position. When you
do so, Photoshop automatically smoothes out the curve to connect all the anchor ... or to refine the
contrast within a certain range of tonalities, apply anchor points to the curve.
Anchor Points
You use anchor points for changing relationships between the before and after values...
Photoshop cs5 cho nhiếp ảnh gia part 51 pdf
... CanyonLight from www.sybex.com/go
/photoshopnature
and try combining them using the “cookbook” approach.
Expanding Latitude via Merge to HDR Pro
Photoshop CS5 dramatically overhauled and improved ... access Merge to HDR Pro through Bridge
directly or through Photoshop using these steps:
1. To select the files to use in Photoshop, choose File > Automate > Merge to HDR.
The Me...