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Old Jan 4, 2004, 6:22 PM   #1
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Default 3:2 aspect ratio?

OK, totally naive question: When they speak of 3:2 aspect ratio as a resolution option what are they referring to???? I understand it has something to do with 4X6 print formats but that's as far as it goes for me. Thanks in advance for any help.
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Old Jan 4, 2004, 6:43 PM   #2
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3:2 is an aspect ratio. This is the ratio of an images width to height.

35mm Film uses a 3:2 Aspect Ratio. Some Digital Cameras also allow this as an optional ratio. It's perfect for 4x6" prints, but not for other sizes.

The standard Aspect Ratio used by most Digital Cameras is 4:3. This works out better for print sizes other than 4x6".

Here is a chart that shows frame Utilization for different print sizes (note that 3:2 is perfect for 4x6" prints, but not for other sizes):


The easiest way to get the best printed photos (using standard sizes) is to get a good cropping tool. Most image editing packages have some sort of cropping tool. Some allow cropping by Aspect Ratio (to allow a better fit for standard print sizes) -- some don't.

If you've bought any Epson Products in the past, Film Factory has a pretty good cropping tool (allows you to crop for both composition and aspect ratio under the Retouch, Trim menu -- moving a crop box around, and even resizing it, while maintaining the selected Aspect Ratio).

Another package with a good cropping tool is Compupic from Photodex (it even supports the "A" sizes).

Both have downloadable trial versions:


Epson Film Factory:

There are also some free cropping tools out there.
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Old Jan 4, 2004, 9:31 PM   #3
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Thank you very much for taking the time to post a response. I appreciate the info and especially appreciate the attachments.
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Old Jan 5, 2004, 6:57 AM   #4
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Packages such as Nikon Capture Editor allow you to easily re-size your crop, but you still need a calculator or mental arithmetic to work out the apect ratio unless you use standard crops such as 2400 x 1600, 2100 x 1400 etc.
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