PhotographerC has some good input a few replies back. I havn't read anything that I havn't agreed with. I wrote the post just to get wheels turning for people who have not thought about the subject that they may dive into it a bit and get things straight. All of the key words DPI,PPI,SCREEN RES, PRINTER DPI, RESOLUTION etc... can be thrown around and are easy to get confused by one who knows little about it. I read all of the replies and everyone knows what they are talking about, just saying it different ways.
Someone suggested that I was saying DPI is completley irrelevant. Did I say that? Because if I did I'm sorry because it is not. DPI is only a number that is made from other numbers. It's not like you can improve DPI. Like PhotographerC said "you can't adjust DPI on your printer or camera."
Also, it does matter in certain cases what the DPI box says. Let's say you print on a wide format printer at 1200 printer resolution but your DPI box says 126.83DPI....most likely you will have banding. It all really depends on the output device. (WEB, INKJET, PRESS, etc...)
Of course there is no right answer for all of the output devices other than "learn what it all means and prep your files properly for the given device you are going to be printing/viewing on."
-joshua
-joshua
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