What are the resolution guidelines for ordering prints?
For the best printing results, follow these guidelines when ordering prints. The required print size is listed on the left of the table. The right hand column recommends the minimum resolution you need to print a particular size photograph. When you expand an image / picture, you “stretch” the pixels. This means that the higher the resolution (the larger the number of pixels in the picture) the larger you can print the picture, because it requires less “stretching” of the pixels.