Subscribe to this blogThe Digital Services Lab is proud to present our fifth in a series of tips, hints, and brief tutorials for using the Macintosh and Digitization Resources in Phillips Memorial Library. To view the other Tech Tips in this series click here.
Understanding Image Resolution
Pixels, the tiny building blocks that make up digital images, can not be created: you can not take a low-resolution image pulled off of the web and change it into a high-resolution image good for printing in a magazine. This is why it is important when scanning an image, or directing a patron on how to scan an image, that you scan to the resolution that will be needed for the final output (72 dpi for the web, 300 dpi for print, 600 dpi for high quality printing).
However, there are many ways to take the information in a digital image and resize it for different purposes. For example, when you receive an email where the photo is too large to see on screen or put into a PowerPoint presentation. Here is one way to reduce the size of an image or simply adjust the dimensions of an image.
