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RAW Image Files - Extracting jpeg files
Old 09-12-2004, 01:55 PM   #1 (permalink)
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Having a problem getting an answer to this question. [img]/ubbthreads/images/graemlins/confused.gif[/img]

What is the advantage of extracting jpeg image that is embedded in the RAW file vs. SAVE AS from the RAW file after corrected?

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Re: RAW Image Files - Extracting jpeg files
Old 09-12-2004, 02:09 PM   #2 (permalink)
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That's a good question.. I shoot with a Nikon D100 and seem to get better results by shooting RAW and using NikonView to convert to JPEG then doing any corrections in Photoshop. I get sharper images and better color and contrast doing it this way. Most of my Photoshop work ends up being just editing as opposed to correction.

If you shoot a lot of images it's also a real time saver to batch convert view NikonView than to have to Save As each image in Photoshop..


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Re: RAW Image Files - Extracting jpeg files
Old 09-12-2004, 02:52 PM   #3 (permalink)
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Israel,

You mean you extract your JPEG files from your RAW files and then do your corrections on your JPEG files rather than making any corrections on the RAW files? Why shoot in RAW file if you can just shoot in JPEG directly?

Thanks for your input.

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Re: RAW Image Files - Extracting jpeg files
Old 09-12-2004, 03:05 PM   #4 (permalink)
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You should only extract the .jpg if youhave a RAW filethat needs no adjustment. Since extracting thr .jpg is faster than converting the RAW file you save some time. Otherwise you should do you adjustments to the RAW image and then convert to .jpg.

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Re: RAW Image Files - Extracting jpeg files
Old 09-12-2004, 03:05 PM   #5 (permalink)
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There is no advantage to extracting the jpeg file from the RAW file and using that extracted file for your enhancement work. The whole purpose of RAW is to have the maximum information to work with as well as being able to work in 16bit on the photo in Photoshop. The imbedded Jpeg can be useful for faster thumbnail views in programs list BreezeBrowser and if you want to do a really quick processing of a large number of photos. But even then, once you fine tune the Adobe Camera Raw conversion, it is so fast, that you can run an automated action to deal with a whole folder worth of photos at once. But if you are going to make significant use of the imbedded Jpeg, then be sure to get your color balance set accurately when shooting the photo. This won't affect the Raw but does affect the Jpeg.



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Re: RAW Image Files - Extracting jpeg files
Old 09-12-2004, 03:08 PM   #6 (permalink)
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You shoot in RAW and then use the software to convert to 16 bit images. This gives you a lot more lattitude when you make adjustments. Don't worry about the embedded jpg at all. Just use the RAW conversion software for your camera or one of the other RAW converters out there and convert the RAW to something Photoshop can read, like a 16bit TIF.

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Re: RAW Image Files - Extracting jpeg files
Old 09-12-2004, 03:26 PM   #7 (permalink)
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Two main reasons.. one is personal and the other is technical..

Technical Reason
-------------------
I use NikonView to convert RAW to JPEG.. I'm not sure if this is the same as "extracting the JPG". What I do know for sure is that if I use really good lenses, good white balance and a good exposure I get better results shooting RAW and converting to JPG as opposed to shooting JPG. I'm confident the reason is that the processor and memory on my PC are greater than the processor and memory in the camera.


Personal Reason
----------------
Every shot matters...

I took the last photos (8 snapshots with a Kodak DC-290) of my stepdaughter before she died in a car wreck 3 months later at 21 years old. Over 200 copies of one of the images was requested by her friends and family. That same image is on her grave marker at her mother and father's request. Every shot matters...

I also photograph local musicians for fun and sometimes for profit. Three of those have died from various reasons. Their families and friends have really been happy that they were able to have some decent photos. Every shot matters...


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Israel
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Re: RAW Image Files - Extracting jpeg files
Old 09-12-2004, 03:51 PM   #8 (permalink)
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Fred,

Now that you made that clear I have one other question. What is the advantage of setting your camera recording to Large/Fine jpeg vs.Small/Normal jpeg. The Large setting takes a lot more space on your media. So wouldn't it be best to set the camera to the Small setting to increase the number of pics I could take with media card?

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