Image Resolution – DPI/PPI/SPI
If you are supplying image files or creating your own graphics, you need to know this.
Tag: scanning
Project Checklist
Questions you will need to answer
Scanning
Clean your scanner glass and photograph with a soft cloth before placing each item. Do not scan at a lower resolution and then enlarge it later! This actually lowers the resolution and can turn it into garbage. For example, a 2.5″ x 2.5″ image scanned at 300 PPI that is later doubled 5″ x 5″ becomes 150 PPI. Photoshop cannot invent pixels that were never