More pixels will work too (but slow to upload, essentially wasted effort). See a printing guideline for the resolution needed for several common purposes. It's generally about what our eye is capable of seeing, but varies with the media. More than 300 dpi really can't help photo prints, but less than 200 dpi can suffer less image quality. But planning image size to have sufficient pixels to be somewhere around 240 to 300 pixels per inch is a very good thing for printing, called "photo quality". But this dpi number does NOT need to be exact, 10% or 15% variation won't have great effect. Printing photos at 250 or 300 dpi is considered very desirable and optimum. Photos are preferably done on a photo quality printer and photo paper.įile size is shown at The Four Sizes of a Digital Image below To do that, scan and print just have to be the same dpi number, but 300 dpi will be a great number for a high quality print.
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