BetterPhoto Q&A
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Photography Question 

Darlene Christensen
 

How do I know which ppi to use?


OK here's the deal...
1.Is it better to upload to BP at 500x750 72 ppi or 500x750 300 ppi? And what's the difference in quality. Isn't 300 ppi a better quality image than 72 ppi? Or does it matter if your image is on a website? And is it just file size the reason for uploading at 500x750?
2. When I'm sending a CD to a stock agency should my images be 500x750 at 72 ppi? "Cause then they can see them but if they were printed they would not be good quality..is that right? Or should the images be 300 ppi?
3. If I'm emailing images what size should I be emailing?
Oh..I'm so confused! I just got a Deluxe site thru BP and I'm about to upload my images and I want to do it right! HELP!!!! And thanks! Dar


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February 23, 2005

 

Michael H. Cothran
  Computer monitors have a resolution of 72 ppi. They cannot display anymore, so you are completely wasting your time sending ANY image to the internet with a resolution other than 72 ppi.

Printing is different. Here you want as much ppi as you can muster, up to about 300. After that, it becomes futile also, as your eyes can no longer see any difference.

I know that Better Photo accepts images up to 500 ppi on the short side, but this is really way too big. Do you not get annoyed when you have to scroll up/down and right/left to view an entire image? Especially on those panoramics?? It's because the image is too big to fit on your screen.

A safer size is 300x450x72 ppi. It may be a little smaller, but the viewer can usually take it all in without scrolling. Your stock agency may also get annoyed if they can't view the entire image at once. And if your stock agency wants to print one, then you can send them a higher resolution file either through FTP, a browser, or by US mail (probably not via Email since your email will most likely not be able to handle files too big). Most agencies require files @ 300 ppi for any kind of printing or brochure/4 color separation printing. Believe me, they'll let you know their own procedural steps if/when your relationship with them gets that far.
Michael H. Cothran
www.mhcphoto.net


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February 23, 2005

 

Michael H. Cothran
  I'm sorry, I left out one important piece of advice. When it comes to your stock agency, ASK them what size (and what format) they would prefer you to send in. Most agencies will provide full instructions for submitters.
Michael H. Cothran
www.mhcphoto.net


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February 23, 2005

 

Darlene Christensen
  Michael! Thanks so much! You answered my questions perfectly..I really appreciate it! Darlene


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February 23, 2005

 
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