The good news is that there is little difference in price between scanners with 300 versus 600-dpi capability, and lots to choose from. Advertised bits refer to the depth of quality of colour within an image that a scanner can interpret and produce. It's important to consider bit size in the context of the level and quality of the scanner you're buying. There are different ways of calculating the bit numbers. Image Editing Software.
Every scanner comes with photo editing software.
Get the best and most software you can with your unit. These programs allow you to manipulate the tones and colours, change the size, apply special effects and eliminate scratches, before printing or creating a file. Well-known software includes PhotoShop LE, but many of the manufacturers have developed their own image editing software to include with their units. If you're serious about scanning and looking to maximize the quality of your scanned photos, the well-known PhotoShop and Paint Shop Pro software can be purchased separately. The CCD machine uses a system of lenses and mirrors to affect a scan, while the CIS uses a photosensitive cell.