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At one level of digitization of print materials is a quickly derived Reference image that can be created using automated flatbed or orbital scanners. These devices require no specialized skill in lighting, composition or focusing as devices automatically determine settings. This can be a very useful image, often made from text-based material slated for optical character recognition (See Digitization Optimized for OCR), but not optimized for deep zoom and detailed online research of materials. Files created by these devices (PDF, JPEG) are not intended for optimized enhancement and are often low-resolution, ideal for reference, speedy transfer, and portability, but insufficient for quality reproduction.
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