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Author Topic: Colorspace  (Read 1661 times)

RJH

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Colorspace
« on: January 25, 2015, 04:50:24 pm »
Is there an easy way to tell what Colorspace your image is in? 

Cheers

Andy Marbrow

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Re: Colorspace
« Reply #1 on: January 25, 2015, 05:11:47 pm »
if its a raw image open it in photoshop what the raw window opens it tells you across the bottom
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Andy Marbrow

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Re: Colorspace
« Reply #2 on: January 25, 2015, 05:17:13 pm »
bit more difficult, open photoshop and see what it is set to - open an image and see what mode its in, if the jpg is in adobe rgb it wont prompt you to change the mode when you open an image.
There are three kinds of people in the world:-
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Andy Marbrow

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Re: Colorspace
« Reply #3 on: January 25, 2015, 05:19:12 pm »
is your camera set to adobe rgb or something else? (I'd lend you my ipad but it only has my Nikon d800 manual on it lol)
There are three kinds of people in the world:-
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RJH

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Re: Colorspace
« Reply #4 on: January 25, 2015, 05:25:10 pm »
Cheers Andy,

I was trying to look at an olde image, as now I use sRGB all the time.  That's the one most chimerical printers want. 

Just wondered if there was a clever way by the PC. 


Chris Price

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Re: Colorspace
« Reply #5 on: January 25, 2015, 07:55:22 pm »
Simples......
just "Right click" on image file, go to "properties" click on "Details" Tab.
Scroll down to Colour representation.
Should be there, see example image below. click thumbnail image to enlarge.

Good luck

Chris

Michael Taverner

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Re: Colorspace
« Reply #6 on: January 26, 2015, 07:19:48 am »
Chris

You are largely correct, however not in every case. I have had a look through the images I receive for the image of the month competition and while a lot show the colour space used some have nothing an some state uncalibrated. Also it is not consistent by user, I checked a couple of your images Chris and one showed sRGB , while another was uncalibrated. Perhaps a different camera was used.
Never the less you give a good direction which I had not noticed before.

Míchael

Chris Price

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Re: Colorspace
« Reply #7 on: January 26, 2015, 08:08:44 am »
Yes Michael indeed, I forgot to add that if it shows uncalibrated it is normally because it was shot in Adobe RGB.
If the image EXIF information is blank that could be because "colour representation" was not selected in the software that produced the image.
As Andy says if that's the case you can load it into a program such as photoshop, see what colour space was used, then convert to the colour space you want and add the colour information to the EXIF data.
Also It may be worth remembering most printers commercial and domestic are calibrated for sRGB and even our club digital projector.
The tutorial (on SPS website) on how to save your digital images for SPS competition mentions this and gives instruction.

When Dave H and I have checked digital images for competitions many are uncalibrated, not surprising really some are not even the correct size.  ;)

RJH

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Re: Colorspace
« Reply #8 on: January 26, 2015, 07:43:56 pm »
Many thanks one & all.  Some good advice. 

 

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