An A3 photographic image may look fine with a resolution of 150dpi. When it comes to digital, people are often under the impression that the resolution should be set to 72dpi, but this is only a legacy value and it is image dimensions that are more important, because you are fitting a grid of pixels (your image) into a grid of pixels (the screen).
It will not change the physical page size (inch or mm) but may change the pixel dimensions of rasterized items. Affinity enables you to export a PDF with 600 dpi regardless of the resolution of the placed photos, they won't get upscaled to 600 dpi on export. (unless they are cropped with the Vector Crop Tool).
Difference Between 300 DPI vs. 600 DPI Printing. 300 dpi is a minimum standard resolution for document and photo printing. You can go high for printing certain things, but 300 is the minimum you use. So if you are designing something that is going to be in someoneโs hand, then 300 dpi is good enough. DPI stands for "Dots Per Inch." Technically speaking it's referring to how many dots of ink fit in an inch of space with a particular printer, but for all intents and purposes nowadays we can consider DPI and PPI (Pixels Per Inch) to be identical. In other words, if you have a DPI of 300, then each inch will be 300px long. if you want to post the drawing online 72 dpi is fine. Higher dpi will make your file larger and will take longer time to upload into the Internet. If you want to print your art 300 dpi is minimum. 3. alteredpersona. OP โข 6 yr. ago. 1ABB1.