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General photography questions and answers: Discuss Image Size...Hi, I am just a keen amateur and have taken some decent photos for works calendars and things like that, ...
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Old 22-01-2010, 10:41   #1 (permalink)
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Image Size

Hi, I am just a keen amateur and have taken some decent photos for works calendars and things like that, and these publishers have only been interested in the pixel dimensions of the Jpeg files I send them so I haven't needed to do much with them.
I've been asked to help out someone with a picture for a magazine and they are asking for the file to be a tiFF file (ok) but at 300dpi (I can resize in PS) but at least 60Mb.(?!)
How do I get a file to at least 60Mb??

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Old 22-01-2010, 11:19   #2 (permalink)
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Re: Image Size

they mean 60Mb* in memory - not file size.

The bit depth affects this - they probably want 16 bit.
A 12MP 16bit 300dpi image is 70MB in memory. Saved as a TIFF, it should be around half that.



* I guess they mean 60MB not 60Mb (Bytes vs bits - a single byte is 8 bits)
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Old 22-01-2010, 11:21   #3 (permalink)
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Re: Image Size

p.s. Photoshop tells you the size in memory on the Info panel. The line with "Doc:" at the start
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Old 22-01-2010, 12:14   #4 (permalink)
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Re: Image Size

Thanks for info Orangepeel.
I'll get on my home PC tonight and have look.

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