Photoshop cs5 cho nhiếp ảnh gia part 2 pdf

... 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 607343c 01. indd 2 4 /11 /10 11 :02:22 PM 6 c ... in the “Exposure” section of this chapter) to optimize 607343c 01. indd 6 4 /11 /10 11 :02:26 PM 5 ■ CHOOSING RAW VERSUS JPEG Figure 1. 3 A section of an image originally captured...

Ngày tải lên: 02/07/2014, 06:21

... n An o n 607343c01.indd 7 4/11/10 11: 02: 27 PM 6 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...

Ngày tải lên: 02/07/2014, 06:21

... to your exposure. 60 734 3c01.indd 14 4/11/10 11:02 :32 PM 13 ■ 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. 60 734 3c01.indd 13 4/11/10 11:02 :32 PM 16 c h a p t e r 1: THINKING DIGITALLY ■ Compare the image and histogra...

Ngày tải lên: 02/07/2014, 06:21

... the right is just before the end of the histogram.) Ph ot o b y EllEn An o n 607 343 c01.indd 18 4/ 11/10 11:02 :41 PM 14 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. 607 343 c01.indd 14 4/11/10 11:02:32 PM 17 ■ UNDERSTANDING HISTOGRAMS Figure 1.13 shows an overexposed...

Ngày tải lên: 02/07/2014, 06:21

... (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...

Ngày tải lên: 02/07/2014, 06:21

... 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 60 7343c01.indd 31 4/11/10 11:02:49 PM 29 ■ COLOR MANAGEMENT Color-Management Esse...

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... 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...

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... 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...

Ngày tải lên: 02/07/2014, 06:21

... 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...

Ngày tải lên: 02/07/2014, 07:20

... 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...

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... Contents Understanding Layers Flexible and Traditional Workflows Cropping and Straightening in Photoshop Doing Cleanup in Photoshop 607343c05.indd 193 4/13/10 2:44:05 PM 195 ■ 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...

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... images eciently. 60 7343 c05.indd 204 4/13/10 2:44:07 PM 209 ■ 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...

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... 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...

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... 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...

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... 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...

Ngày tải lên: 02/07/2014, 07:20