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DPChallenge Forums >> Hardware and Software >> JPEG Help!!
Showing posts 1 - 13 of 13, (reverse)
11/04/2006 04:38:16 PM · #1
I have recently had problems with saving pictures as JPEG. I shoot in RAW, edit in Photoshop CS2, goto mode-->8/bit (so I have the option to save as a JPEG, 16/bit wont let you), then do file--> save as and choose JPEG and quality 12. When I view them outside of Photoshop I notice the colors are more dull/flat. I recently had some pictures from a wedding printed and they looked awful! Every single one was flat...almost looked kinda desaturated. I called the photo lab tech, who said he wasn't sure why it would have happened but it was probably not the machine. Is it because I submitted them online?

I am really confused and don't know what to do!
11/04/2006 04:47:22 PM · #2
Using CS2

- open your RAW file in Bridge (the file->browse utility)
- make whatever changes you like there, click Open
- file opens in CS2
- make your edits, of which converting to 8 bit is not necessary
- click File -> Save for Web to create jpeg

edit: Make sure you are using Srgb colorspace in photoshop. That might account for the less saturated colors you see outside of the app.

Message edited by author 2006-11-04 16:48:06.
11/04/2006 04:47:44 PM · #3

Message edited by author 2006-11-04 16:49:24.
11/04/2006 04:48:55 PM · #4
You may want to go to EDIT > Convert To Profile and make sure sRGB is your destination. I'd also check Black Point Compensation. If you're saving as JPG, you can select Save for Web instead. This may work better for you.

Having said this, I've found that I still need to significantly over-saturate and reduce brightness (prior to Save for Web) to match the saved version to my originals in CS2. I have no explanation for this either.

11/04/2006 05:04:21 PM · #5
It's definitely a Color Management Issue... my guess is that you are using Adobe RGB in RAW conversion.

My advice is to set the Color Space to sRGB when you are in ACR (Raw Conversion).

Color Management can be tricky and if you are outputting as a JPEH anyway, not really worth the extra effort (IMO, and I know I'm gonna get some arguments on this).
11/04/2006 05:10:42 PM · #6
I think the colorspace was my problem. When I opened up a RAW file I found it was using Adobe RGB and not the sRGB. Do I have to reedit all the pictures I took yesterday that I wanted to print and this time do sRGB? I am assuming they are all in the Adobe RGB colorspace
11/04/2006 05:14:32 PM · #7
If you do "convert to profile" in CS2 (under the edit menu)... make sure you choose sRGB not sRGB IEC61966-2.1.
I am new to saving images to the web, and have realised this week that this is the reason for my colour shifts.
11/04/2006 05:42:53 PM · #8
I only have the sRGB IEC61966-2.1....there is no plain sRGB
11/04/2006 05:50:39 PM · #9
try scrolling down further towards the bottom.
11/04/2006 05:57:53 PM · #10
Originally posted by JordanZ:

I only have the sRGB IEC61966-2.1....there is no plain sRGB

I don't see one either. There's e-sRGB and RGB Profile but no plain sRGB that I can see.
11/04/2006 08:06:49 PM · #11
that is sRGB..
11/04/2006 11:26:43 PM · #12
Originally posted by Bobster:

that is sRGB..

Which (of the two) is, and whose post are you responding to?
11/05/2006 03:02:50 AM · #13
I have almost always worked in Adobe colorspace (use ProPhoto more now), and whe prepping for a web viewable file I use the Save for Web. Prior to that I will change the color space to sRGB (2.1), but I don't save my original that way, just the jpeg to upload.
Fo r any print job I always leave it (or convert it to) the Adobe workspace. All the ones I have put up on DPCPrints, print out like I have them on my screen (hardware calibrated), and the ones I print at home. If you look at most (lab) printers they prefer the Adobe colorspace.

EDIT: whoops! just reread this. Meant most lab printers like the sRGB. I think the biggest point is to use the same space YOU will use. Shoot in sRGB, edit and print in it. I still like the Adobe RGB, though. and I use it consitently (shot in on D70 and processed.)

Message edited by author 2006-11-05 05:01:10.
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