Resizing

6 posts
17 March 2014
eire
Photographer
eire
Hi i have credit to get a poster print fron Photobox.Size 40x30 inches but it will not accept file over 10m and as a 40x30 by even 72dpi works out at 17.5m How am to solve this as Photobox are not very helpful with this. Thanks
Posted 17 March 2014
RedChecker
Photographer
RedChecker
Try someone else.

If they're going to advertise poster printing, they should also allow for file sizes to increase accordingly.

Posted 17 March 2014
Claypaws
Photographer
Claypaws
The file does not need to be anywhere near as large as 10MB for a print 40x30 inches. 150 pixels per inch or even 100 pixels per inch will be adequate for a large print. So for 40x30 inches you need 6000x4500 pixels or even 4000x3000 pixels. The exact number of pixels is not really relevant as print services, such as Photobox, will resize at runtime to whatever dimensions you have chosen.

Assuming your file is something like that number of pixels, simply save it as a .jpg at quality level 8 in Photoshop or any other photo editor. You will probably get a file somewhere between 1MB and 5MB, depending on the image.

Posted 17 March 2014
CCP
Photographer
CCP
Try saving the image as a jpg at best quality, if you have it already saved as a tiff or some other type of file. But I wouldn't reduce the dpi. I save mine at 300 dpi.

Posted 20 April 2014
mph
Photographer
mph
Simply save your image at the jpg compression which keeps it under 10 Mb and send them that. The pixel dimensions are what they are and as Claypaws said, they will resize it.

Posted 20 April 2014
Andy_B
Photographer
Andy_B
CCP - what's this 100 megapixel camera you're shooting to produce a 40x30 at 300dpi?

Posted 20 April 2014
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