Canon EOS Digital Rebel XT photos are stored at 72 dpi and not 180 dpi. Can I change this?

When I download my photos taken with my Canon EOS Digital Rebel XT to my computer, I see they are listed as 72 dpi, but when I download pictures from my small pocket cameras Canon (like my Powershot S410 or ELP 300) they are listed as 180 dpi.  It is a function of the cameras, or is it a setting I can change on the rebels to store the photos at 180 dpi?

My second question is: it won't hurt the quality of the photo printed so I manually "resize" the dpi to 180 in a photo program before printing.   The vast majority of my photos are just stereotypes that I print 4 "x 6", but sometimes I get a good picture I like to enlarge. "

As you can see, I know very little about digital photography.  In the past, I have not even noticed that pictures of rebels were at 72 dpi and the others were to 180.

All the information that will inform me on this subject will be greatly appreciated.  Thank you.    Mac

If you say that the printer to print a 4 x 6 proof it will not (in general) paid no attention to indications of DPI image.  All shots of my XSi are 72 dpi so I printed several pictures on a dozen different places throughout the city and the DPI setting in the image file is ignored in favor of the resolution of the printer and the size of the image.  In other words, if the printer only 300 DPI then my impression out to 300 DPI.  I've never seen a case where the printer used the DPI setting in the file.  I can't guarantee that it will not happen on some printers, somewhere.

But most people don't print that many images in that a lot of places so I suspect that if you are printing a single image at any place printing 'new' you can determine if it's going to go wrong or you can take the time to set the DPI setting on the image with your image editing software.  I'm not sure of what you use to edit your images, however, two following software packages allow you to adjust the DPI or print resolution:

IrfanView allows to change this setting: http://www.irfanview.com/

GIMP also allows you to modify: http://www.gimp.org/

Tags: Canon Camera

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