Chris Marquardt

Episode 1038 (1:21:01)

Chris Marquardt

This week's photo myth is about sizes. There's several ways to measure size in a photo. First, there's file size. The more colors you put in an image, the more the file size will "weigh," and the larger the file size. Then, if you factor in compression, that can make a file size smaller. Then comes the dimensions. An 8x10, for instance, will make a file size larger because it adds pixels. And the number of dots per inch can also affect the size. But that's only important if you're printing an image. DPI doesn't matter if the image stays digital. On the web, for instance, 72DPI is just fine. But if you're printing, then DPI is important. How about scanning? Chris says that a good rule of thumb is to scan between 150-300DPI.

Next week, Chris will have a photo buyers guide for those looking to get a camera for their loved ones for Christmas. Don't forget our current assignment - ARRIVAL! Take a photo of, about or otherwise concerning the concept of "arrival" and then post it to the Tech Guy Group on Flickr. Make sure to tag it with the word "arrival" as well! And if Chris likes it, it could end up on our next photo segment!