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Monitor Colour Calibration

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oddesy
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Monitor Colour Calibration

Unread post by oddesy » Sat Nov 21, 2009 11:50 am

I was hoping that someone might be able to help me in making sure that monitors that i use are correctly calibrated. The other day i edited some pictures on my laptop, got home and connected to a different monitor and found that the colours were completely out, but now im worried as to which one is out :?
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bert
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Re: Monitor Colour Calibration

Unread post by bert » Sat Nov 21, 2009 3:47 pm

link to color calibration
But your screen must have the default settings again
I use the Spider 3.
Not to difficult and you can calibrate as many screens as you like
As you found out. On your own screen (where you adjusted bright light, more colour etc) it looks great. But on another screen its :shock:

But if you search for info about your computer screen you will find some standard calibration info as well.
In short
After the calibration your whites on the screen (as the white area i am typing in at the moment) is of white (very tiny greyish)
And grey will look like grey and not blackish

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Re: Monitor Colour Calibration

Unread post by wingman » Fri Apr 09, 2010 3:09 pm

We are a bit spoilt our offices are equipt with 20" Wide Samsung LCD screens, (as we use a lot of laptops) it got calibrated as well. :dance:
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Re: Monitor Colour Calibration

Unread post by DuQues » Fri Apr 09, 2010 3:18 pm

This Eizo monitor may be a great one for the photographers here. Well, the more financially capable ones that is... The only price I found so far is 1500 UK pounds.
Not posting much here anymore, but the photo's you can follow here There is plenty there.

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Don't know if ever......

Unread post by H. erectus » Tue Oct 04, 2011 7:27 pm

We are being very critical about brand
names and associated equipment, but
how good is your viewing equipment??

I am no pro but can say my screen will
not justify any comment I dare make!!

Don't know if ever anybody took it this
far, but yes!
It cannot be made more or less for that matter but it can be altered to suit.- The universe.

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Re: Don't know if ever......

Unread post by DuQues » Tue Oct 04, 2011 7:42 pm

Good one! 8)

We process our photos using as little adjustments as possible, just making them true to what we showed to the lens. So if you think the photos I post are over- or under coloured your monitor is not properly adjusted, or simply old.

We have an IPS panel (23 inches Dell) which is calibrated every month, so it shows the colours true to life. This is something that say ten years back would cost 2 months salaries or more, but now is available for (converting from euro) R2500 or less. In SA possibly a bit more.

I have seen many photos on the internet, including here, that are oversaturated (too much colour), probably due to the monitor they work on not up to par.

Want to check your monitor? Check the photos here to see if your monitor is good. The landscapes are probably best for trying it out.
Not posting much here anymore, but the photo's you can follow here There is plenty there.

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Re: Don't know if ever......

Unread post by timbo » Tue Oct 04, 2011 9:36 pm

Anyone know any good calibration software for windows?
I try my best and that's what matters I hope.

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Re: Don't know if ever......

Unread post by DuQues » Tue Oct 04, 2011 10:20 pm

It's more than software, it's hardware as well.
These are the things you need. Well, there are other brands around, but if you look around you'll find that this brand is affordable(-ish) and good.

You need to have the hardware to see the output, and the software to change the settings.
Don't forget that the light around the monitor makes a difference. If you have your curtains closed, lights on, the colour will be different than when you open the curtains and the sun comes streaming in.
The hardware sensor adjusts for that.
Not posting much here anymore, but the photo's you can follow here There is plenty there.

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Re: Don't know if ever......

Unread post by Stark » Tue Oct 04, 2011 11:36 pm

Good points. I have PhotoShop (got it for a steal due to my photography class) and I do some color work and retouching. The problem is my monitor! When I take photo's to the college lab to print, I often have to "retweak" so my colors are more true to life. It is easy to overdue it.

I'm finding that I don't like retouching images much, though I still shoot in RAW format.
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Re: Don't know if ever......

Unread post by DuQues » Tue Oct 04, 2011 11:46 pm

Stark wrote:I'm finding that I don't like retouching images much, though I still shoot in RAW format.

Remember that the sensors are created and tweaked to show lifelike images.... You do not need to tweak much, just adjust the cases where the camera got the exposure wrong.
I barely do anything to my photos except cropping and adding a little clarity. And I still need to adjust my horizon by 1 to 1.5%. *sigh* I can't get that right!
Not posting much here anymore, but the photo's you can follow here There is plenty there.

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Re: Don't know if ever......

Unread post by timbo » Wed Oct 05, 2011 12:28 am

hmmmm, i wrote an entire post and closed it instead of posting it.

Duques, there is software out there that helps to calibrate a screen so you get a better picture, just cant remember where to find it.

Stark. You may have slight differences in digital and print due to the different colour spaces. Print is CMYK where you probable shooting in Adobe RGB. But other then that, may be the screen

I dont like heavy retouching either, thats why i use lightroom instead of photoshop, Just find it easier to use
I try my best and that's what matters I hope.

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Re: Don't know if ever......

Unread post by EOS_User » Wed Oct 05, 2011 10:22 am

Colour-management is an absolute minefield of a subject...

Rule #1 is to never adjust your images unless your screen has been calibrated first. You could well be doing more harm than good by doing so, moreso if you are shooting JPEG rather than RAW. (RAW files can always be recovered to their native state. JPEG files (usually) can't unless you have taken adequate back-up precautions to protect the original image file.) Most screens are set to be very bright, so when you view an image on-screen it looks nice & crisp; but the underlying image is usually a lot darker. There are many tools for calibration. The cheaper ones are basic, the more expensive ones will give you full colour control over your screen & output-printer...

Rule #2 is to set your camera to shoot in sRGB, if you have the option, if you don't sRGB will be the camera's default. IMO you should only shoot AdobeRGB if you're going to use the images for commercial purposes. The AdobeRGB colour-spectrum is greater than sRGB. So if you shoot in AdobeRGB and then print or display on a sRGB device (which all domestic & high-street printers & displays are), you run the risk of having some extremes of colour-range impacted... There's a good example of the various spectra here... http://www.repairfaq.org/sam/repspec/Cie-Chart.png

As for tools; here's a few;
- If you have an Adobe product installed you almost certainly will have the free Adobe gamma function. You can find it via the Control Panel. It's free. Therefore it's basic only.
- A decent entry-level tool for most users is Pantone Huey.
- Next up is Spyder. A very good all-rounder.
- Top of the tree is ColorMunki.
You can read all about basic colour-management and these tools here;
http://www.northlight-images.co.uk/arti ... intro.html
and find links in the article.

Good luck...


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