The Importance of Bit Depth

The Importance of Bit Depth

Each digital file you create (capture or scan) is capable of representing a specific number of colors. This capability, usually referred to as the ‘mode’ or ‘color depth’ of the picture, is expressed in terms of the number of ‘bits’. Most photos these days are created in 24-bit mode. This means that each of the three color channels (Red, Green and Blue) is capable of displaying 256 levels of color (or 8 bits per channel). When the three channels are combined, a 24-bit image can contain a staggering 16.7 million separate tones/hues.
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The Steps in the Digital Process

The Steps in the Digital Process

The Steps in the Digital Process

The digital imaging process contains three separate steps – capture, manipulate and output. Capturing the image is the first step. It is at this point that the color, quality and detail of your image will be determined. Careful adjustment of either the camera or scanner settings will help ensure that your images contain as much of the original’s information as possible. In particular, you should ensure that delicate highlight and shadow details are evident in the final image.
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