In the world of digital imaging, not all files are created the same. Some files have more information than others. This extra information can be handy when you’re called upon to do “heavy lifting”—to make extreme tonal adjustments or do heavy retouching. Just like an infographic company do sometimes. We call these files high – bit because they have more bits of information per pixel than a regular image file.
The most common way to get a high-bit file these days is by shooting in the Raw format in your digital camera and then using Photoshop CS3 to convert that Raw data into a high-bit file. You also can get high – bit files from most print and film scanners. In this chapter, we look at all these issues and more so you’ll know when to use them and be prepared to take advantage of them when the need presents itself.
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