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Macbook calibration with Pantone Huey

A. ... , Mar 17, 2007; 05:56 p.m.

Hi!

Can not get any good result with Macbook calibrating by Huey. I have done several calibrations by Huey on PC's (Windows XP) with LCD with perfect results.

Samsung 173p Plus succesfully Calibrated on PC: http://pics.livejournal.com/hapchu/pic/0004fy2r.jpg

Macbook with factory color profile: http://pics.livejournal.com/hapchu/pic/0004gqq7.jpg

Color profile is changing when I just start calibration software, before any calibration steps: http://pics.livejournal.com/hapchu/pic/0004htqb.jpg

Color become far from ideal after calibraion process: http://pics.livejournal.com/hapchu/pic/0004kg66.jpg

What is the problem, glossy Macbook LCD or some software bugs (last version from Pantone.com installed)?

Responses


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Frans Waterlander , Mar 17, 2007; 06:19 p.m.

You sure are stacking the odds against yourself. The huey is a questionable calibrator to begin with and then you try to use it on a notebook computer LCD screen. You need a better calibrator and monitor for color-critical applications.

Also, I'm not sure what the shots you posted are supposed to prove.

Michael Wang , Mar 17, 2007; 06:52 p.m.

I have not used the Pantone Huey before, just the EyeOne Monitor, so I can't say whether the software is OK or not. However, are you saying after you calibrate your MacBook, everything looks off color, or just some of your own image files. If it's just your old image files, it's likely that you color management workflow is incorrect. If you take a raw image from your digital camera using Adobe RGB color space and display it in Photoshop, does it have any color problem?

In order to troubleshoot this, you have to let us know what is your source image, how your Photoshop is set up (e.g. default color work space). What do you mean when you said color profile is changing when you just start calibration process?

A. ... , Mar 18, 2007; 06:09 a.m.

to Michael Wang (wrote Mar 17, 2007; 06:52 p.m.)

Problem is not around this photo, black looks green, gray looks green.

All photos made by Canon 20D with same exposition, and all converted to sRGB Jpeg by Canon Photo Digital Professional 2.2 with 6500K and same other settings (using one Windows PC).

"What do you mean when you said color profile is changing when you just start calibration process?" I mean, when I just start Calibration software (only start) the colors change to more blue-red (second image to third image).

A. ... , Mar 18, 2007; 06:14 a.m.

to Frans Waterlander (wrote Mar 17, 2007; 06:19 p.m.)

"Also, I'm not sure what the shots you posted are supposed to prove."

All photos have taken in RAW by Canon 20D with same exposition, and converted with same settings and 6500K in Canon Digital Photo Professional 2.2 to sRGB Jpeg.

Serge Cashman , Mar 18, 2007; 08:49 p.m.

Join the club of people whose first posts are about not being able to calibrate a Macbook. Hard to tell what's going on here exactly... Maybe the glossy screen is an issue, but then again there's a bunch of other monitors with glossy screens...

My theory is that natively (the "before calibration" state) the screen is very blue and no calibration software can properly compensate for this using videocard LUTs (which is the only way to adjust it). I'd do some more tests with loading profiles with no vcgt adjustments....

http://luminous-landscape.com/forum/index.php?showtopic=15008

http://photo.net/bboard/q-and-a-fetch-msg?msg_id=00K7v2&tag=

Serge Cashman , Mar 18, 2007; 08:53 p.m.

Which targets do you set for Huey BTW?

Look at the table at the bottom of the following article to see what white point and gamma targets your settings correspond to...

http://www.northlight-images.co.uk/reviews/pantone_huey.html

Michael Wang , Mar 18, 2007; 09:26 p.m.

When you first start your calibration process, the software clears the Look Up Table (LUT) from the video card, that's why you see the color shift. Same thing happens with the EyeOne monitor calibration software.

It's difficult to troubleshoot your problem without knowing more about your configuration. I assume you are using Photoshop and have done the following:

MAC Preference -> Display -> Color -> set to the Huey calibrated profile Photoshop is set to have a default color space of sRGB or Adobe RGB, not the monitor profile. When you open up the image in Photoshop, you ASSIGN sRGB to be the color space for the image (not the CONVERT command).

If you are doing the above, I don't see why there will be a problem. I'm also curious why there is such a big difference between the Apple default LCD profile and the Huey profile.

One other thing is have you tried opening up the raw image using the MAC?

A. ... , Mar 19, 2007; 03:00 a.m.

Thanks for all! I'll gonna kill myself... Before that I'll send support request to Pantone.

Terry Sutton , Mar 19, 2007; 07:49 a.m.

Just so you know you're not alone - I switched back to sRGB because my calibration with Spyder software left everything green as it did with you.


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