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Thread started 19 Aug 2012 (Sunday) 09:55
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Colour Space Hell ***HELP***PLEASE***

 
snappy7
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Aug 19, 2012 09:55 |  #1

Colour Space Confusion
Hi I’m looking for some help to understand what is happening on my PC with Ph’s colour space. CS5

Firstly I use a 5dmkii which is set to sRGB on the camera. I then use a cable to get them onto my PC.

Opening these photos in any other program (I use Irfanview) the images look fine right out of the camera. If I then bring them into Ph straight away the colours look wrong with very strong reds. If I then make adjustments to the colours in Ph and save that file when I open it in others programs it looks horribly washed out and the same carries right through to the printer.

In the colour settings box I have set my colour space to the richer Adobe (RGB) 1998 but I get the same results with sRGB IEC61966-2.1

Do you know why am I getting this colour change and how do I get Ph set correctly so what I see on the screen is what comes out of my printer and on the web is as I need it to be. Right now I just can’t use Ph as it is.

I've done a lot of reading about this and have many links explaining how to set colour space but my issue above doesn't seem to include any solution to this isssue.

Thanks!


Canon 5d Mkii ~ f/4 24-105L USM ~ EF 50mm f/1.8 II
EF 70-200mm f/2.8L IS II USM ~dye Speedlite 580EX Mkii. Mitsubishi CP-D707-DW dye-sub double printer. Bowen 500's & Lastolite 400's flash heads. Lastolite TriFlector

  
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dmward
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Aug 19, 2012 10:48 |  #2

I presume that Ph is your moniker for CS5. If that is the case you have to be sure that you are converting the color profile rather than just assigning it.

Other than that it could be a number of things that will require much more detailed information to understand.


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PhotosGuy
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Aug 19, 2012 11:13 |  #3

...when I open it in others programs it looks horribly washed out and the same carries right through to the printer.

What "other programs"? For instance, the utility that you use can make a difference, too. Windoze Explorer isn't color managed, & some browsers aren't either. And Photoshop needs to be set up correctly, too.

Rene's thread: Have you calibrated your monitor?

What's "Color Management"? (external link)

Firefox and wide gamut - images sometimes oversaturated includes link to "why does my JPEG image appears as different in other image viewers?"
and Wilt's:
"Difference in photos shown in Chrome and Internet Explorer"


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Wilt
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Aug 19, 2012 11:23 |  #4

If your photo JPG file was not created by the camera in aRGB, you should never set your color space to work in the aRGB colorspace...creating an sRGB file and work with it in aRGB is asking for problems.

If you shoot RAW, the camera color space is not relevant other than for generation of the JPG preview image which is written into the RAW file; RAW data itself has no color space. In that case, you can set the RAW conversion from RAW into whatever color space you desire. However...

  • For most folks, who display images on the web and who go to most of the commonly availalbe commercial printers, set sRGB as the color space simply because most commercial printers are unable to properly print from aRGB files (and conversion for aRGB into sRGB is not the best way to proceed...it can create more issues!) and web displays are all sRGB based.
  • For folks who own home printers which directly support aRGB, taking a RAW file and outputting aRGB printing works fine.

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troutfisher
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Aug 19, 2012 12:18 |  #5

I apologise if I am butting into this thread but it is very relevant to some thoughts I am having at the moment so I might perhaps get some guidance .
I currently have both cameras and CS5 set to the default of sRGB and use a calibrated IPS monitor for editing.
Those photos which I decide are worth keeping are shown on an uncalibrated Xoom tablet or via a link to an uncalibrated flat screen TV.
When I do decide to print anything I use a specialist lab and apply their specific printer profile to a converted .jpg file.
I understand that aRGB occupies a larger area of the colour diagram than sRGB but to all intents and purposes if I were to change to aRGB on both the cameras and the software will I see any improvement or will I make matters over complicated.
Many years ago ( more than I care to remember ) I studied colour physics as part of my professional qualification in Dyeing but I regret to say that age has taken its toll and now I can't remember it.


Chris
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Lowner
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Aug 19, 2012 12:39 |  #6

troutfisher,

I shoot and upload in aRGB and only switch to sRGB if I want to upload to the web, which is rare. However I have to say I have never noticed one iota of difference between the two colour spaces. Any differences are too small for my eyes.


Richard

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snappy7
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Aug 19, 2012 20:11 |  #7

dmward wrote in post #14877990 (external link)
I presume that Ph is your moniker for CS5. If that is the case you have to be sure that you are converting the color profile rather than just assigning it.

Other than that it could be a number of things that will require much more detailed information to understand.

nope I'm not converting anything. If you read my post I say my camera is set to sRGB and so is photoshop and this is why I'm confused about getting this colour change. It's also the same if I download a photo and open in ph and then if i save it. when i open it it's all washed out in all other viewers.


Canon 5d Mkii ~ f/4 24-105L USM ~ EF 50mm f/1.8 II
EF 70-200mm f/2.8L IS II USM ~dye Speedlite 580EX Mkii. Mitsubishi CP-D707-DW dye-sub double printer. Bowen 500's & Lastolite 400's flash heads. Lastolite TriFlector

  
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snappy7
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Aug 19, 2012 20:17 |  #8

Ok. Here's a screenshot for you. Nope, sorry dunno how to do that.


The pic on the left is right out the camera. The pic on the right is after I have dropped and draged the file into photoshop. You see it's really red. Some peoples faces can look terrible when this happens. I haven't done any colour space changes. It's using the sRGB IEC61966-2.1 space as it's set up from cam to photoshop.


Canon 5d Mkii ~ f/4 24-105L USM ~ EF 50mm f/1.8 II
EF 70-200mm f/2.8L IS II USM ~dye Speedlite 580EX Mkii. Mitsubishi CP-D707-DW dye-sub double printer. Bowen 500's & Lastolite 400's flash heads. Lastolite TriFlector

  
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dmward
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Aug 19, 2012 21:47 |  #9

snappy7 wrote in post #14879731 (external link)
nope I'm not converting anything. If you read my post I say my camera is set to sRGB and so is photoshop and this is why I'm confused about getting this colour change. It's also the same if I download a photo and open in ph and then if i save it. when i open it it's all washed out in all other viewers.

If that is happening some color setting in Photoshop is set to a weird color space.

Not sure where the reassignment is occurring but it is happening. Since things are getting red and washed out is sounds like, someplace Photoshop is changing the color space from RGB to a CMYK space.

You are going to have to look at all your color settings and see where one of them doesn't make sense.


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René ­ Damkot
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Aug 20, 2012 05:50 |  #10

Have a read here: https://photography-on-the.net/forum/showthre​ad.php?t=707058

PS Color settings: http://www.getcolorman​aged.com …nagement/pscolo​rsettings/ (external link)
Color managed vs. non-colormanaged viewers: http://www.getcolorman​aged.com/color-management/saveforweb/ (external link)

If you shoot raw, it doesn't matter what color space your camera is set to use: The color space is determined in the Raw converter. For instance ACR:

IMAGE: https://img.skitch.com/20080915-kgdes6tr51gj7wyx2us8n142cm.preview.jpg
IMAGE LINK: https://skitch.com …-4.5-canon-eos-1d-mark-ii  (external link) Click for large view (external link)

Check these in PS:
IMAGE: https://img.skitch.com/20080623-gewsfxk3p25a9hpas2nnn16a1u.preview.jpg
IMAGE LINK: https://skitch.com/ren​edamkot/qj87/fullscree​n  (external link) Click for large view (external link)
IMAGE: https://img.skitch.com/20081219-kmamrixpni8r7htkxiayy9wc55.preview.jpg
IMAGE LINK: https://skitch.com …amkot/9ymw/colo​r-settings  (external link) Click for large view (external link)

I'd guess PS is displaying the images right, unless your settings are completely off.

Oh, and play nice…

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René ­ Damkot
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Aug 20, 2012 05:55 |  #11

troutfisher wrote in post #14878231 (external link)
I understand that aRGB occupies a larger area of the colour diagram than sRGB but to all intents and purposes if I were to change to aRGB on both the cameras and the software will I see any improvement or will I make matters over complicated.

Only if the image contains colors outside sRGB and your printer can print them. Otherwise sRGB will be fine.

For displaying on non- color managed applications on non calibrated screens, you are guessing anyway, so sRGB will probably be best (see my 3rd link in the previous post)

If you've got specific questions, it would be best to create a specific thread…


"I think the idea of art kills creativity" - Douglas Adams
Why Color Management.
Color Problems? Click here.
MySpace (external link)
Get Colormanaged (external link)
Twitter (external link)
PERSONAL MESSAGING REGARDING SELLING OR BUYING ITEMS WITH MEMBERS WHO HAVE NO POSTS IN FORUMS AND/OR WHO YOU DO NOT KNOW FROM FORUMS IS HEREBY DECLARED STRICTLY STUPID AND YOU WILL GET BURNED.

  
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Wilt
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Aug 20, 2012 11:07 |  #12

snappy7 wrote in post #14879757 (external link)
Ok. Here's a screenshot for you. Nope, sorry dunno how to do that..

Ctrl+PrtScr, paste the clipboard into a program like Photoshop or even Microsoft Paint, and File Save as a JPG file, download to your favorite photo share site, then insert the link on POTN.


You need to give me OK to edit your image and repost! Keep POTN alive and well with member support https://photography-on-the.net/forum/donate.p​hp
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snappy7
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Aug 22, 2012 21:04 |  #13

ok thanks.

IMAGE NOT FOUND
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR


on the left is what I see in photoshop, when i save it I get the pic on the left

Canon 5d Mkii ~ f/4 24-105L USM ~ EF 50mm f/1.8 II
EF 70-200mm f/2.8L IS II USM ~dye Speedlite 580EX Mkii. Mitsubishi CP-D707-DW dye-sub double printer. Bowen 500's & Lastolite 400's flash heads. Lastolite TriFlector

  
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snappy7
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Aug 22, 2012 21:07 |  #14

Wilt wrote in post #14882237 (external link)
Ctrl+PrtScr, paste the clipboard into a program like Photoshop or even Microsoft Paint, and File Save as a JPG file, download to your favorite photo share site, then insert the link on POTN.

i did just as u said but the pic never appeared


Canon 5d Mkii ~ f/4 24-105L USM ~ EF 50mm f/1.8 II
EF 70-200mm f/2.8L IS II USM ~dye Speedlite 580EX Mkii. Mitsubishi CP-D707-DW dye-sub double printer. Bowen 500's & Lastolite 400's flash heads. Lastolite TriFlector

  
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Wilt
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Aug 22, 2012 21:39 |  #15

snappy7 wrote in post #14894305 (external link)
i did just as u said but the pic never appeared

I just did this sequence...


  1. opened Paint Shop Pro,
  2. started a New file,
  3. did Ctrl+PrtScrn of the current screen (which was displaying some posts with photos in POTN),
  4. did Ctrl+V to paste it into the PSP document -- and the same information that was previously on my screen was pasted in.
  5. Then I did File Save to store the file,
  6. open Photobucket and
  7. select the Upload button to copy the file into Photobucket,
  8. then click on the 'IMG code' text to copy that code to my Clipboard,
  9. and then Ctrl+V that code within the POTN text that I was composint.


...worked for me (although I cancelled the message so as not to actually post that on POTN).

You need to give me OK to edit your image and repost! Keep POTN alive and well with member support https://photography-on-the.net/forum/donate.p​hp
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Colour Space Hell ***HELP***PLEASE***
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