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All About Images

Focuses on many common image questions in regards to image resolutions, resizing images, file types, vector and raster images, scanning, saving and more.

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Breanna Hamm
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913 S. University Ann Arbor, MI
(734) 764-1862

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(734) 647-7406

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Preparing Images

Photographer holding a DSLR camera to their face to take a photo.

Working with Images

This guide is meant to help clarify and answer some common image questions, such as why photos print blurry, what file type should I use, and what's the difference between changing resolution and resizing.

What's in this Guide?

What's in this guide?



Raster vs. Vector Images

  • Raster Images

  • Vector Images

  • Raster Image Applications

  • Vector Image Applications

Image File Formats

  • Common Image File Formats

  • Native File Formats

  • Image Transparency

  • RGB and CMYK

What is Resolution?

  • What is Resolution?

  • Choosing Correct Resolution for Your Image

  • PPI and DPI

  • Physical vs Memory Size

  • Resolution for Web


  • Why is Resizing Important?

  • Improper Resizing

  • PPI and DPI

  • Physical vs Memory Size


  • Scanning Images

  • The Moiré Effect

Changing Resolution with Photoshop

Resizing with Photoshop

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