Deciding What Scanner Features You Need
Some scanner features are more useful than others for the digital photography inclined. When deciding on a photo-friendly scanner, keep these features (and whether those features can help your photo scanning needs) in mind:
Scan quality: Many factors affect scan quality, including resolution, the number of colors (dynamic range), the quality of the optics, and the electronics used to translate the scanned image for your computer.
Scanner speed: Some scanners operate much faster than others do.
If you’re making 100 scans a day, speed matters.
Scanning size: Flatbed scanners have a fixed-size scanning bed, usually 8.5 x 11.7 to 8.5 x 14. Even though you might rarely scan a 14-inch-long original, the larger size is handy to have.
Film scanning: If you have many color slides or negatives you want to scan and don’t want a dedicated slide scanner, a flatbed that can accommodate these originals is a plus, like the one in this figure.A flatbed scanner with a light source in its lid can scan film.
Physical size and configuration: If your desktop space is limited, you might want a tiny scanner. Also, a few scanners can be set up vertically so they occupy a minimum amount of space, as shown in this figure.A vertical scanner can help you make the most of limited space.
Bundled software: Some scanners come with advanced scanning programs.
Type of sensor: CCD sensors make for bigger and more expensive scanners, but they provide a higher-quality image than smaller, cheaper CIS sensors.