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Question: I have been asked to submit a 300dpi A5 jpg!. I thought that was just a hardcopy/print term!.!?

What size digital file should I resize too!?Www@QuestionHome@Com

Best Answer - Chosen by Asker:

A 5 is a size, as we all know - Paper Dimensions: 148mm x 210mm (5!.83" in x 8!.27" in) - and is a awkward size too!.!.!.!!

The 300 DPI thing is purely an example of old world thinking and ways!. What they are really saying and wanting tho is a digital file able to make a photo quality A5 image!.

A image of 1749x2481 PIXELS - would make a A5 print at their requirements!.!.!.

However, a image of 1166x1654 PIXELS would give the same thing and be a slightly smaller file, in size!.

Go to - http://www!.rideau-info!.com/photos/index!.!.!.!. - and read the Myth of DPI!.!.!.

We can not change old world thinking and them who want to mix apples and oranges in the same cart and call them all apples!. But DPI = Dots Per Inch and digital pictures are in pixels, and this is where people have to draw the line and ask for the PIXELS that make up a picture and not the dots as in old world newspaper and magazine printing!.

All it really takes is 200 pixels per inch of photo you want to print today!. 300 pixels is over kill and not needed or hardly seen as better, just makes for a larger file!. But, any # between 200 and 300 is good!.!.

Many better image editing programs can change this DPI from 72 (as most cameras take them) to 300 or more with out changing the size of the actual image!. This is proof positive that the #'s that DPI represent are just # that have little to do with anything other than making mass confusion!.

I have submitted 8x10 work to be published that was @ 72 DPI, NOT the 300 DPI as asked for, but the image was 1600x2000 pixels and accepted, and nothing said!. Why!.!.!? Because it had the pixel count to make the size wanted!. The DPI means nada, it could have been 10 or 800 as long as the pixels were there to make the size print wanted!.

So, back to your question!.!. Yes, it IS a old world printing term that will not move into the digital age and be re-examined and re-written to match todays cameras and technology!.

Bob - TucsonWww@QuestionHome@Com

u can have any resolution on any size !. it is just about the quality of the picture u have and how much u zoom in and still have a sharp pic!.

in photo related programs (like Adobe Photo Shop that i work with) when opening a new doc, u r asked for the image size which contains resolution(e!.g!. 300dpi) and paper size(e!.g!. A5 which is half of A4 paper = 15 X 21 Cm)

ur sourse file should be larger than that e!.g!. a 600dpi A5 or 300dpi A4!.
cuz if ur file is smaler than that when changing it to that size it will lose sharpness and u can see the pixels!.Www@QuestionHome@Com

I find the expression 'a!.!.!.A5 jpeg' a little odd!. A5 is a size of paper!. A print is a print and not a file type!.Www@QuestionHome@Com

a5 is half of a4!.!.!.!.

a4 is 20cm x 28 cm

so resize to 10cmx14cm!.!.!.!.!.at 300dpi

dpi is print or display - its resolution

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