Can someone explain the differences between Post Processing software?

Started Nov 7, 2012 | Discussions thread
blogan
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Re: Can someone explain the differences between Post Processing software?
In reply to Fred T, Nov 8, 2012

Fred T wrote:


Sorry then. I myself am ignorant in many things.

And you can't change anything by only looking at a picture.

Got it. I am not too keen on how the whole compression thing works.

Another stupid inexperienced question then. So I open up a jpeg photo in iPhoto and adjust the contrast a little. If I don't actually hit save, and just close or quit iPhoto is there any loss?

So what I'm understanding is that if I do a literal save, that is where the loss comes into play? And if so, for my use, why then would I do an actual save? When I just hit quit in iPhoto and then come back everything is saved even though I have not done an actual save.

I know I know. Please don't kill me. I'm just trying to understand all of this stuff. Not very good at it.

Thanks

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