Photoshop cs5 cho nhiếp ảnh gia part 18 potx

... 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...

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... (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

... your lens, ISO, aperture, and shutter speed appears there. Cropping and Rotating within ACR Photoshop CS5 offers the ability to crop and rotate within ACR. Since you can embed your raw file in ... wait to crop and straighten the image within Photoshop. Try It! Open the raw image named ConvertRaw on this book’s companion website, www.sybex.com/go/photoshopnature, or one of your own, an...

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... demanding that your choice of white balance must be true to life! However, if you’re trying to depict your images more documentarily, then you’ll want to make your white-balance choices as accurate ... you. Setting the Exposure and Blacks Sliders Using the Exposure slider is similar to using Levels in Photoshop to set your white point. In plain English, this means you are selecting which...

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... to work in detail on certain areas as necessary. The Edge Detection slider is used to help Photoshop choose a narrower hard edge or a wider softer edge containing areas of varying transparency. ... transparencies to let the background show through. Increase the Radius slider to choose the width of the edge. For the penguin, Ellen chose a moderately wide radius to help with the tail selec...

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... Figure 8.29. Now click the image thumbnail, and choose the Move tool. You can move the new sky without affecting the mask, so you get to choose which part of the sky to show. Very cool! 607343c08.indd ... certain the layer mask is highlighted, not the image thumbnail. Choose Refine Mask and modify the sliders as needed. 9. You can choose which area of the new sky (the background) you wa...

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... warped into a particular shape. The Warp Text dialog box includes a Style drop-down list, where you can specify the particular shape you’d like to use, along with settings to adjust the particular ... next section. Try It! Open the image BizCard from www.sybex.com/go/photoshopnature, and create a business-card layout. For Photoshop Elements Users: Layer Styles In Elements layer styles a...

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... budget, Photoshop makes it easy to create a basic gallery of your images to display on screen through the Output Module. To get started, choose Bridge > Output and click Web Gallery. Choose ... click on the color swatch. A Color Picker will appear. Choose the color you prefer and click OK. The color swatch will update to reflect your choice. The Appearance panel (you may need to scroll...

Ngày tải lên: 02/07/2014, 07:20