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FORUMS Post Processing, Marketing & Presenting Photos RAW, Post Processing & Printing 
Thread started 08 Feb 2010 (Monday) 01:03
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CS4 Vs. PSE 7 and jpeg sizes?

 
MikeI
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Feb 08, 2010 01:03 |  #1

I'm a recent convert from PSE 7 to CS4. CS4 is unreal and there is lots to learn, but one thing is bugging me....

My workflow hasn't changed, nor has my post processing style, but the end jpeg from CS4 is about a third the size when compared to the end jpeg from PSE7. Any logical reason for this?

The dialog boxes when saving seem identical. I'm thinking it's something simple, but I can't figure it out.

I'm staring with full size RAWs from either a 40D or a 7D.

Thanks for any help....


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Damo77
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Feb 08, 2010 01:26 |  #2

Sounds odd. What jpeg quality level have you been choosing?


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MikeI
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Feb 08, 2010 01:29 |  #3

Damo77 wrote in post #9564421 (external link)
Sounds odd. What jpeg quality level have you been choosing?

Always the highest. I don't do anything different. I even checked my cameras to make sure they didn't get moved to sRAW by chance.

The workflow is exactly the same....


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MikeI
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Feb 08, 2010 02:10 |  #4

Is it possible that I was editing too many RAW files at once? There was a message that popped up mentioned that something happened if I edited over 9 files at once. I assumed (probably erroneously) that meant it would only show 9 tabs. Does that sound familiar? Anyone?? I'm hoping this is a simple fix...


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Feb 08, 2010 08:05 |  #5

A jpeg file size (and even a Raw file size) is determined by a number of things -- fundamentally by the amount of detail in an image, which includes noise produced by amplifying a low exposure using a high ISO. So, you can have two images which can have a dramatically different file size saved at an identical compression/quality setting because one maybe has a lot of blue sky and had a great exposure whereas the other is a highly detailed scene. So consider that when you compare files, as well as specific quality and compression settings.


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CS4 Vs. PSE 7 and jpeg sizes?
FORUMS Post Processing, Marketing & Presenting Photos RAW, Post Processing & Printing 
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