How do I choose the best resolution for scanning?

Slides and Negatives are scanned at a high resolution of 3800 dpi 17 MP (Mega Pixels).

Choosing resolution for prints

600 dpi is the recommended resolution for scanning your prints. The higher resolution is important when it comes to enlarging, reprinting, and editing, the photos. For prints smaller 4x6 you should consider having them scanned at 1200 dpi.