Portable document scanner What they say
For extensive photo scanning work along with your regular document filing, you may want to consider buying a flatbed scanner. There are many different models of such scanners, and they can differ considerably with regard to design and functionality. If you want to be able to scan photographs accurately, you will want to go for a document scanner that offers 24 bit sampling capability. If you need even more detail from your photographs, you may have to spend more for a dedicated photo document scanner. Many of these scanners come with advanced and highly specialized features, and will allow you to scan negatives as well as larger prints.