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Author Topic: Color Checker Fade  (Read 3456 times)

douglevy

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Color Checker Fade
« on: June 04, 2014, 09:59:04 am »

I have a 5yo colorchecker passport, and noticed it says to replace every 2 years. I don't have one to compare it to, but are people seeing significant fading to the point where it's worth replacing?

Fine_Art

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Re: Color Checker Fade
« Reply #1 on: June 04, 2014, 10:38:39 am »

Do you need to calibrate a new camera? Your 5 year old raw shots in several types of light are not fading. If you are still using the same camera there is nothing to do.
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douglevy

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Re: Color Checker Fade
« Reply #2 on: June 04, 2014, 06:18:06 pm »

No, I meant more in daily use. I'm using it for setting white and black points, and occasionally creating new LR calibration profiles.

eronald

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Re: Color Checker Fade
« Reply #3 on: June 04, 2014, 06:40:04 pm »

No, I meant more in daily use. I'm using it for setting white and black points, and occasionally creating new LR calibration profiles.

Doug,

5 years may be too many. To check it, buy or get someone to lend you a ColorMunki design or Photo (the instrument which looks like a triangle with a circle in it). It can measure and profile just about anything. Or borrow an i1.

Edmund
« Last Edit: June 04, 2014, 06:41:55 pm by eronald »
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douglevy

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Re: Color Checker Fade
« Reply #4 on: June 04, 2014, 06:40:46 pm »

Cool, thanks!

digitaldog

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Re: Color Checker Fade
« Reply #5 on: June 05, 2014, 10:11:33 am »

I have a 5yo colorchecker passport, and noticed it says to replace every 2 years. I don't have one to compare it to, but are people seeing significant fading to the point where it's worth replacing?
Unless it's been baking in the sun unknown to you, I'd skip this recommendation to increase target sales ;D If you store it properly, it should be fine (and if it's not fine, you'll see it). X-rite suggests we all send in our Spectrophotometer's every year too, it's really only necessary for a few in specific workflows (using multiple instruments and that would be true for targets, trending data etc). Save yourself some money and use it until you notice an issue or you learned you left it sitting in full sunlight all afternoon.
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Fine_Art

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Re: Color Checker Fade
« Reply #6 on: June 05, 2014, 11:01:04 am »

No, I meant more in daily use. I'm using it for setting white and black points, and occasionally creating new LR calibration profiles.

Spyder cube is a better product for in the field white/grey/black balance.

Video on using it in the raw processor.
https://www.youtube.com/watch?v=GgDhli1RZb4
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Some Guy

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Re: Color Checker Fade
« Reply #7 on: June 05, 2014, 02:12:53 pm »

Could be some of the ColorChecker Passports sit on their dealers shelves for more than two years too.  Least they are sealed, but who really knows other than The Fading Ink Gods?

SG
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eronald

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Re: Color Checker Fade
« Reply #8 on: June 06, 2014, 07:49:51 am »

Unless it's been baking in the sun unknown to you, I'd skip this recommendation to increase target sales ;D If you store it properly, it should be fine (and if it's not fine, you'll see it). X-rite suggests we all send in our Spectrophotometer's every year too, it's really only necessary for a few in specific workflows (using multiple instruments and that would be true for targets, trending data etc). Save yourself some money and use it until you notice an issue or you learned you left it sitting in full sunlight all afternoon.

I wonder what would qualify as an issue. Production batches vary by more than 6DE on some patches eg. red in my experience. Xrite had some really horrible QC years. Although of course I have less experience of color management than most others on this forum, I believe that having a spectro and measuring the chart is just about the only way not to introduce systematic error into one's workflow, especially if you want to compare a chart print with the chart. A colormunki is a good investment, now if I could just figure out where mine has brachiated to ...

Edmund
« Last Edit: June 06, 2014, 07:57:03 am by eronald »
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digitaldog

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Re: Color Checker Fade
« Reply #9 on: June 06, 2014, 10:06:24 am »

I wonder what would qualify as an issue.
Expected results start looking wrong.
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