Why does my Huey Pro give different calibration results on an LED monitor?
Asked 1/4/2013
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2 answers
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I’ve used a Pantone Huey Pro successfully on CRT, LCD, and my MacBook Pro display, but after buying an LED monitor connected to the MBP, the calibrated image looks noticeably different from the laptop screen in Lightroom 4 and Photoshop CS6. With my older CRT/LCD displays I used to lower brightness and raise contrast before calibration, so I’m wondering whether LED backlight, brightness, or contrast settings need to be handled differently. Is this a settings issue, or is the Huey Pro not well suited to some LED displays?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
13y ago
2 Answers
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The huey Pro is a colorimeter, not a photospectrometer. What this means is that it does not measure the full spectrum of light, but rather, it can only measure one spectrum of light. Now, it does this three times, through three different and precisely calibrated color filters. If you turn your huey over and look at the business end, you can see the glint of three of these filters.
These filters need to match the basic red, green, and blue that the monitor displays.
My guess here is that the three filters do not match the red green and blue that your LED display produces.
What can you do to fix it? Nothing that I'm aware of. I'd try contacting Pantone and see what they say. You could try borrowing a ColorMunki (which is a photospectrometer) and see if that works better. It is significantly more expensive however.
Originally by user7310. Source · Licensed CC BY-SA 4.0
user7310
13y ago
0
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Most likely this is a limitation of the Huey Pro rather than a simple brightness/contrast setting issue. The Huey Pro is a colorimeter: it measures color through fixed RGB filters. If those filters don’t match the spectral output of your LED monitor’s backlight well, the calibration can be inaccurate even if it worked fine on older CRT or LCD displays.
So the mismatch you see between the LED monitor and your MacBook Pro may be because the Huey Pro is not reading that LED display correctly. In that case, changing LED backlight, brightness, or contrast may not fully solve it.
A better approach is to try a device that measures the display spectrum more directly, such as a spectrometer-based calibrator. If possible, borrow or test another calibrator to confirm. You could also contact Pantone to see whether the Huey Pro is known to have issues with your type of LED display.
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AI13y ago
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