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General photography questions and answers: Discuss Resizing/Printing...I've not had much call to print A3 size, but I do have an image that I'd like to have ...
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Old 24-06-2008, 22:32   #1 (permalink)
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Resizing/Printing

I've not had much call to print A3 size, but I do have an image that I'd like to have printed at this size. The resizing/resolution/print size/document size stuff does baffle me somewhat. So far I have muddled through with reasonable results although whether I have been doing things correctly remains to be seen! I am fairly sure my question is likely to highlight the rather large gap in my understanding!

Image from camera in .jpg format at 72dpi opened in Elements 5 (and CS3) show the following properties:
Pixel Dimensions: 3504 x 2336 pixels
Image Size: 48.667 x 32.444 inches
Resolution: 72 pixels/inch
Scale Styles, Constrain Proportions both checked
Resample Image: Bicubic

So... if I change Resolution from 72 to 300 and Image Size from 48.667 x 32.444 inches to 16.5 x 11.7 inches - would I get a decent A3 print?

I have a sneaking suspicion things are no where near that simple... they never are!
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Old 25-06-2008, 00:08   #2 (permalink)
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Re: Resizing/Printing

I wouldn't resize the image - use QImage to print - that does everything you need once you get used to it.

Qimage Professional Quality Photo Printing Software
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Old 25-06-2008, 11:50   #3 (permalink)
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Re: Resizing/Printing

By the looks of it you are going to have to re-size the image in order to get it to A3 at 300 dpi. I regularly resize my images in Elements with very successful results. I have never tried to print one at A3 but I have printed crops that would have in effect been the same scaling up as to A3.

The bicubic resize in Photoshop works very well (for me at least) and I have read that you can go as high as 300% before you start to run into noticeable image degradation. Having said all that, best thing to do is give it a try. If you are worried about cost then blow up the whole image to A3 then crop a part and print a small test to see how the image quality looks.
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Old 26-06-2008, 12:59   #4 (permalink)
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Re: Resizing/Printing

Thanks guys
Will look into Qimage Silktone, thanks for the link
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Old 26-06-2008, 15:49   #5 (permalink)
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Re: Resizing/Printing

Quote:
Originally Posted by Ali View Post
Thanks guys
Will look into Qimage Silktone, thanks for the link
Another for Qimage from me.

Loads of (editing) features in it but I only use it to print. Being able to lay out multiple images on one page is a v handy as well.
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Old 26-06-2008, 16:49   #6 (permalink)

PLEASE NOTE

I TYPE USING CAPITALS DUE TO A DISABILTY

THANKS FOR YOUR UNDERSTANDING
 
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Re: Resizing/Printing

I Have Looked At Qimage, But It Would Appear It Is Only Available For Windows. Is There Anything Like This Available For Mac?
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Old 26-06-2008, 17:40   #7 (permalink)
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Re: Resizing/Printing

I think QImage is unique in the way its resizing features work, but it is supposed to run under Parallels on a Mac and under Wine on Linux, though I've not yet tried it.
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Old 26-06-2008, 19:22   #8 (permalink)
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Re: Resizing/Printing

I know this is an aside but I think it is relevant to the original question.

I used some pictures from the past weekend shot on my 40D as backgrounds for a Pixalo photobook that I was getting produced. Despite the fact that the images were shot at 400-800 ISO, had minimal processing, and were printed at A3 size there was no perceptible noise in the final images.
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