What size for a blowup..SX220HS

Started Sep 17, 2012 | Discussions thread
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Ian Abrahamson
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What size for a blowup..SX220HS
Sep 17, 2012

.If i want to have an image enlarged to say 500mm sq, by using the 4.3 aspect ratio would this be fine. Or is there more to it than that.

The printers want a higher resolution, so they can blow it up, or enlarge the picture.
I dont know what the correct terminology to use

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