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how do I process raw images??
I just took my first three shots in RAW today, but have no idea how to process them. I connected my camera to my mac and imported the three shots to Iphoto. I can see them there and they look just like normal shots...are these the embedded jpegs that I am seeing? When I look at the data in iphoto it shows them as RAW 8meg files. I cannot figure out, however, how to view/process the actual RAW file. Can I do this with photoshop? I have photoshop cs2, but see nothing in there for raw files. I also tried opening them in the Canon software with no luck.

Could someone please help me here? I have always resisted shooting in raw as I thought it would be too complicated...maybe I was right...

Comments (8)

Surfingringo wrote:.

I also tried opening them in the Canon softwarewith no luck. There might be a problem, as I shot these with a new400D and the canon software I have is from an old 20D..

Is there some reason you can't use the software that came WITH your new 400D?.

[ e d @ h a l l e yc c ] http://www.halley.cc/pix/..

Comment #1

Yes, I'm in Europe and I don't have it with me. Also, I just checked and I do NOT have CS2...I have CS. I tried dragging one of the raw files in there and it said "could not comlete your request. Wrong kind of file"..

Comment #2

I will let those who are more proficient with the 40D and CS2 answer your specific questions. However, I just bought a 5D and upgraded my PS CS to CS3 and the CS3 is relatively straight forward to use on RAW. I also bought a book, Photoshop CS3 Essential Skills which comes with a DVD for hands-on experience in using CS3; it has been a huge help in learning to process RAW. Once you get use to shooting and processing RAW, you will not want to go back to JPEG...

Comment #3

IPhoto does RAW. look for the little RAW badge. With the previous version once you made some adjustments and hit Done you would then be dealing with a jpeg (but you could always revert to the original raw file) but in the latest version it maintains the raw status across adjustment sessions. For many images I find that iPhoto does a great job. If you have another raw editor (like adobe camera raw) then you can set it up so you can right-click from iPhoto into that editor..

Look under preferences for some settings that relate to raw files...

Comment #4

Hartcon, I don't see ANYTHING in iphoto that says RAW. Nothing in preferences. Where is this "raw badge" you mentioned? I can open the photo and make adjustments just like with any jpeg, but I don't see any other options....wait a minute, I see a little tab at the bottom now that says Raw when I open the photo in the edit window. But do I have any different options? The photo I'm looking at appears to be already processed. Do I have any controls in iphoto for setting the WB, etc?..

Comment #5

The way you make adjustments is the same for raw and jpeg (the Adjust HUD). but with RAW it can do things like highlight recovery (take an overexposed RAW file, slide the exposure slider to the left and watch the right side of the histogram). the latest version of iPhoto has a WB eyedropper along with the usual temp and tint sliders. just look for the little raw badge to let you know if you're working with raw data (or not)..

Under preferences you can set up an external editor (so you can then right-click on a photo and get into, say, adobe camera raw) and you can also tell it whether to pass raw or jpeg (or 16-bit tiff I believe) to an external editor..

When you export from iPhoto if you say "original" it should export the raw file which is another way to take a file into a different program (if necessary)..

One potential gotcha is aRGB vs. sRGB. for some reason iPhoto wants my RAW files to be aRGB even when the camera is set to sRGB. which means that for web/email I need to run a utility to convert from aRGB to sRGB...

Comment #6

Ok hartcons, thank you for your help so far. I would love to use Iphoto to do a lot of this work as it's quick and easy, but I'm a little confused. I must have the older version because I don't see any eyedropper. In fact, when I pull up the adjust hud, I have the exact same controls as I have when adjusting a jpeg. So, do the controls have some kind of different effect on a raw file than they would on a jpeg? If not, what is the point? Sorry for the confusion...

Comment #7

Wherever you are you can always download a copy of Rawtherapee. It's free and it works with a lot of RAW data, including the Canon 400D..

Comment #8

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This question was taken from a support group/message board and re-posted here so others can learn from it.

 

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