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Chapter 3. Raw Hide: Mastering Camera Ra... > Sizing and Resolution in Camera Raw - Pg. 63

The Photoshop CS2 Book for Digital Photographers Step Three (Resolution): Just under the Size pop-up menu, you'll see the Resolution field. The topic of reso- lution is something entire training DVDs are dedicated to, so we won't go in-depth about it here, but I'll give you some quick guidelines. If your photo will wind up on a printing press, use 300 ppi (you don't really need that much, but many print shops still think you do, so just play it safe at 300 ppi). If you're printing 8x10" or smaller to an inkjet printer, you can also use 300 ppi (or even 360 if you're really picky). For larger prints (like 13x19"), you can get away with 240 ppi or less (I've used as little as 180). Either way, you're not locked in because you can always change the size and resolution in Photoshop. Step Four (Space and Depth): The color space choice is easy: Choose Adobe RGB 1998. It's the most popular choice with photographers because the range (gamut) of colors it supports is greater than sRGB (giving you more color), and it's big enough to get the most out of your inkjet prints (unlike ProPhoto RGB, which lets you add col- ors your printer can't reproduce). As for the Depth pop-up menu, generally choose 8 Bits/Channel. Although some high-end photographers insist on 16-bit, you don't get the full use of Photoshop's tools and features, plus the file sizes are approximately double in size, which makes Photoshop run a lot slower (not to mention they take up more room on your hard disk). Mastering Camera Raw Chapter 3 63