Optamark

Don’t use low-resolution images!

We recommend that you use images with a minimum resolution of 300 DPI (dots per inch) or 90 PPI (pixels per inch) to have clear and high-definition printed images.

If you want to make a beautiful print, resolution is the key. Resolution is the number of colored dots or pixels that make up one image. The higher the resolution, the clearer and better the print will be.

Most images found online are 72 dpi and low resolution. To ensure that your images are crisp and clear when you use them, make sure that it is larger than the file size of your project. Here’s how

  1. To make sure your image is large enough to fill the space, you can multiply the size of your image by 300. For example, if you want to cover a 3.5 x 2 business card with an image, your image should be at least 1050 x 600 pixels large.

     
  2. To see the image’s dimensions on your computer, right-click and choose Properties for windows users or Get Info for Mac



  3. Choose desired image and size of the image resolution. Large should work most of the time, but if you want to make sure that it looks good on print, make sure that when you open it on your browser window, it covers the whole page.
  4. Do a Google Image search, click the Search Tools button, and then the Size drop menu.

Here are a few other options for getting high-res images.

-The best way to obtain images for your book is to purchase them from a stock image site like depositphotos.com.

-Capture an image on your camera or phone and ensure it's in the highest resolution possible.

How to tell if your Photoshop images are being saved at a low resolution

  1. For web purposes, 72 dpi is sufficient. But for high-quality printing pictures, 300 dpi is the minimum requirement.
  2. Click Image > Image Size in the Photoshop menu.
  3. A dialog box will appear, allowing you to check your image’s resolution.