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Author Topic: Preferred Calibration tools - Xrite or Spyder?  (Read 9263 times)

Brookie

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Preferred Calibration tools - Xrite or Spyder?
« on: February 10, 2020, 12:19:26 pm »

Spyder is offering an upgrade for Spyder5 owners to the newer SpyderX. So I am considering upgrading to the XPro or XElite.

Questions - do people prefer the Xrite tool or the Spyder tool, which model, and why? 
Spyder’s comparison of the two new models indicates that with the Elite soft proofing of prints is a feature (but not on the Pro version) - what does this allow you to do in soft proofing that you can’t already do in Lightroom?

I am using this on a MacBookPro, a BenQ SW2700PT and I print with a Canon Pixma Pro-10. I don’t anticipate making my own paper profiles, FWIW.

Thanks for your input!
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digitaldog

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GWGill

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #2 on: February 10, 2020, 09:43:49 pm »

This kind of says it all:
https://forum.luminous-landscape.com/index.php?topic=103094.msg1004707#msg1004707

No mention of the SpyderX though.

The SpyderX uses a completely different sensor to the previous Spyders, so you can't really extrapolate the accuracy from them. The SpyderX seems to have a poor low light sensitivity though.
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digitaldog

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #3 on: February 10, 2020, 10:06:35 pm »

True but their history over the years is piss-poor. Their marketing speak has been often misleading. They have ripped off the product concepts of others. Not a lot of history that bode well for this company.
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Brookie

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #4 on: February 10, 2020, 10:10:15 pm »

Andrew,
Am I to assume that ideal data points would plot on the yellow curve? Is the yellow curve a theoretical ideal or is it a best-fit curve from other data?
Thanks,
Brookie
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digitaldog

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #5 on: February 10, 2020, 10:18:26 pm »

Sorry Brookie. I don't understand the question.
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Brookie

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #6 on: February 10, 2020, 10:38:57 pm »

There was no explanatory text in your post or at the original thread you copied from so I’m just trying to be sure I understand what the graphed data mean. I gather that departure from the yellow curve on the graph is undesirable- rather a perfect match between an instrument reading and the correct or perfect value would plot right on top of the yellow line.  A point plotting off the yellow line thus indicates a mismatch. Is that the idea and therefor why you are saying that the Spyder5 is not an accurate calibration tool?  Or am I missing the point?
Thanks,
Brookie
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digitaldog

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #7 on: February 10, 2020, 10:42:36 pm »

The plot shows a high-end reference device and how close or how far in dE each devices correlation is from this reference. The Spyder devices are in the weeds.
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Brookie

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #8 on: February 10, 2020, 10:47:07 pm »

👍
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BAB

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #9 on: February 11, 2020, 08:34:34 am »

Andrew

So the plot of the old I1 from 20 years ago was accurate and the new I2-3 or plus have like a 15-20% better accuracy?

Ps I have asked for your opinion before about upgrading my old i1pro to a newer model? You replied if mine is still working keep it, just wondering if this new edition negates that opinion?

Thanks

Bab
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Lessbones

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #10 on: February 11, 2020, 12:01:18 pm »

BAB--

The i1(1) and i1(2) are two different samples of the i1Display Pro (or i1D3) the i1D2 is pretty much crap like the spyders are.  If you're using an i1pro to calibrate your display, you'd likely be much better off with an i1d3 because of it's accuracy down to low luminance values.  However, you'd be even better off using your i1pro to create a colorimeter matrix correction for an i1d3 using your specific display and DisplayCal, THEN using the i1d3 to calibrate.

The above graph shows really admirable performance for the i1d3 on that specific display, but I'd be willing to bet that the i1pro would stay pretty consistently in that position across different displays with regard to the jeti, but the i1d3s would shuffle around a bit.

Long story short, you really need both a spectro and a colorimeter for good accuracy unless your colorimeter has been specifically mated to your display.

sorry for the kind of convoluted explanation but i think that made sense...
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Brookie

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #11 on: February 12, 2020, 10:56:49 am »

The above graph shows really admirable performance for the i1d3 on that specific display, but I'd be willing to bet that the i1pro would stay pretty consistently in that position across different displays with regard to the jeti, but the i1d3s would shuffle around a bit.

Lessbones and Andrew,
OK, now I am a bit confused again, Lessbones is suggesting the i1D3 may not be as good, right?  What is the basis for that, have you seen that the i1D3 is not as good from experience or something else?  Also, if I Google “i1D3” what I find looks an awful lot like the i1 Display Pro - what is the difference and which one does a guy really need to get (if I go ahead and replace my Spyder5)?
Thanks,
Brookie

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Lessbones

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #12 on: February 12, 2020, 11:41:07 am »

i1D3 = i1Display Pro

It's the best colorimeter you can buy unless you're willing to drop thousands.  My point was that if you really want to have a super accurate calibration, you should ALSO have a spectrophotometer, like the i1Pro/i1pro2/i1pro3 to create a correlation matrix for your specific display technology.  A colorimeter reads information through 3 color filters, one each for RGB.  A spectrophotometer actually breaks the light spectrum down into very small pieces (6/10nm for the i1pro series).  Therefore it is capable of detecting any kind of spikes in specific parts of the spectrum which may throw off a device that is measuring with only 3 filters.  You can use this to correct the measurement of the colorimeter.

This whole business gets very technical, but basically if you want a quick answer and don't want to have to dig deep into the whole physics of light, just get the i1Display Pro.  It's the best device available for calibrating monitors under $1000-- my point was more that you can improve it even further by adding a spectro if you have the resources, and more importantly, the time to understand the process--
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digitaldog

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #13 on: February 12, 2020, 12:44:20 pm »

I agree that using a Spectrophotometer and Colorimeter can in some cases produce superior results but a lot has to do with the design (filter matrices) in the Colorimeter. Anyway, in the very, very old days (circa 2007), I’d do this with my SpectraView using two devices as follows.

Steps used in those old days:

1. Connect the iOne Pro/Monitor
2. Select the desired Target in SpectraView and calibrate the display.
3. Confirm that the calibrated white point is acceptable (judge 100% white only).
4. Disconnect the iOne Pro/Monitor and connect the iOne Display / DTP94.
5. Open the SpectraView Preferences dialog.
6. Re-detect the color sensor.
7. Change the "Primary Colors Chromaticity Source" to "Factory Measurement"
8. Click OK.

Next you will create a new Target with a custom white point that has been adjusted with the offset between the two devices:

1. In SpectraView, click the "Edit Target settings" icon.
2. Click the "Edit..." button in the "White Point" group.
3. Click the "Measure" button and measure the white patch on the screen using the iOne Display / DTP94.
4. The CIE xy values should be filled in automatically.
5. Click OK.
6. Click OK.
7. Enter a new name for the Target file.
8. Make sure the new Target is selected, and calibrate using the iOne Display / DTP94.

The white point should match what you got with the iOne Pro/Monitor, and the greyscale should be much better.

I havent seen the need to do this for years of use with my i1Display Pro. It’s a super anal step and if you have both kinds of devices and want to go that route, go that route.
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Lessbones

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #14 on: February 12, 2020, 05:36:16 pm »

I used to do that quite a bit too with SpectraView--  these days as I've gotten more into doing calibrations for video I've become much more baffled by the lack of colorimeter correction in some calibration programs.  When making 3DLuts for Davinci Resolve for example, I've gotten MUCH better results using a correction matrix than without (with DisplayCal and with Calman) so I feel like it must be at least somewhat important to measure the full primaries as well to really properly tune the colorimeter response.  It does help to shift the white measurement, but I'd imagine that measuring the RGB subpixels alone would give a clearer picture of how the devices behave at the outer limits of the display gamut.

I could be wrong about how much that matters when you're not trying to limit the display gamut to a certain standard, but I just yesterday sent an email to the folks at BasicColor asking if they'd be interested in implementing such a thing in the updated Display software.

Andrew, I know you've been using a PA271Q-- I've always felt like the one I'm working on exhibits a slight magenta cast at D65 regardless of which measurement device I've used to profile the white point (i1d3, i1pro, i1pro2) through SpectraView--  I haven't tried with any other software quite yet, but I was thinking of experimenting with creating a 3DLut in DisplayCal and uploading it via multiprofiler....  but i'm getting OT here--
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Czornyj

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #15 on: February 13, 2020, 07:35:25 am »

I used to do that quite a bit too with SpectraView--  these days as I've gotten more into doing calibrations for video I've become much more baffled by the lack of colorimeter correction in some calibration programs.  When making 3DLuts for Davinci Resolve for example, I've gotten MUCH better results using a correction matrix than without (with DisplayCal and with Calman) so I feel like it must be at least somewhat important to measure the full primaries as well to really properly tune the colorimeter response.  It does help to shift the white measurement, but I'd imagine that measuring the RGB subpixels alone would give a clearer picture of how the devices behave at the outer limits of the display gamut.

I could be wrong about how much that matters when you're not trying to limit the display gamut to a certain standard, but I just yesterday sent an email to the folks at BasicColor asking if they'd be interested in implementing such a thing in the updated Display software.

Andrew, I know you've been using a PA271Q-- I've always felt like the one I'm working on exhibits a slight magenta cast at D65 regardless of which measurement device I've used to profile the white point (i1d3, i1pro, i1pro2) through SpectraView--  I haven't tried with any other software quite yet, but I was thinking of experimenting with creating a 3DLut in DisplayCal and uploading it via multiprofiler....  but i'm getting OT here--

It's not necessarily a good idea to make correction matrices for i1D3 and PA271Q using low res spectrophotometer. And 3DLUT calibration is definitely a bad idea in case of PA271Q.
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Lessbones

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #16 on: February 13, 2020, 05:10:03 pm »

It's not necessarily a good idea to make correction matrices for i1D3 and PA271Q using low res spectrophotometer. And 3DLUT calibration is definitely a bad idea in case of PA271Q.

Care to expand on that?  Specifically the second part.  I get that the 15nm optical vs. 4.5nm of the Jeti could be an issue if the spikes in spectral response are THAT thin...
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Czornyj

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #17 on: February 14, 2020, 07:34:25 am »

Care to expand on that?  Specifically the second part.  I get that the 15nm optical vs. 4.5nm of the Jeti could be an issue if the spikes in spectral response are THAT thin...

i1Pros usually have ~2-3 ∆E2k errors on spiky spectra backlights, while i1D3 with proper spectral correction is close to ~1 or even less ∆E2k to reference. That means correction matrix can make things worse, it's better to create .ccss correction using 3,3nm mode or use generic X-Rite PFS correction done with high resolution CS-1000 spectroradiometer.

SpectraView II uses internal factory calibrations done with lab grade Konica-Minoltas spectroradiometers and colorimeters (CS-2000, CA-310 and CA-2500 for uniformity) worth thousands of $ each, making it perfectly linear. While factory calibration they're  most probably programming the first internal 14(16)bit 3DLUT.

While creating a 17^3 3DLUT with DisplayCAL you're using much inferior sensor and you're limited to 8 bit display path, and you only put it to second "external softproofing 3DLUT" so it's impossible to achieve the factory level of accuracy that way.
« Last Edit: February 14, 2020, 07:39:54 am by Czornyj »
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Brookie

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #18 on: February 14, 2020, 10:36:59 am »

Guys,
Thanks for all your input, but you’re way past my pay grade!  Here is my situation:

I have recently started printing and am having a bit of a problem with soft proofing - in particular with matte paper and the ONSCREEN soft proof looking WORSE than the actual print does.

So I recalibrated my monitor - BenQ SW2700PT using my Spyder5. When I first got this monitor about 3 years ago it would display ~99% of sRGB gamut and high 90s% for AdobeRGB. But now it is only giving me mid-70% of AdobeRGB. It was puzzling to me that the AdobeRGB had apparently deteriorated so much. By the way, I edit in ProPhoto color space using LR and PS subscription with all current updates on a MacBookPro (current Catalina). I print from the LR print module using appropriate LCC paper profiles.

Then I coincidentally received an email offer to upgrade to a SpyderX which got me to thinking about this whole thing and lead me to make the initial post.

I called BenQ and they told me that the screen really should not degrade like that and speculated that my colorimeter might be going bad.  That of course made me think even more about replacing the Spyder5.

Based on the graph that Andrew posted it looks like maybe I ought to switch to an i1 Display Pro instead of going to the newer Spyder. Anymore thoughts on that are appreciated.

Also, is it true that the gamut range of a screen should not change much over time, or at least the 2 or 3 years I’ve been using my BenQ?  Not knocking BenQ or their comment to me, just interested in seeing if people think that a monitor’s gamut is likely to degrade based on their experiences.

And, is it true that a colorimeter would more likely go bad over the 2 year time frame I’ve had the Spyder5?

I doubt I will rise to the level of technical proficiency or demand as the above respondents, but I sure would like my printing to be more predictable!

Thanks for your comments as always,
Brookie

« Last Edit: February 14, 2020, 11:06:42 am by Brookie »
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Czornyj

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Re: Preferred Calibration tools - Xrite or Spyder?
« Reply #19 on: February 14, 2020, 12:59:33 pm »

Guys,
Thanks for all your input, but you’re way past my pay grade!  Here is my situation:

I have recently started printing and am having a bit of a problem with soft proofing - in particular with matte paper and the ONSCREEN soft proof looking WORSE than the actual print does.

So I recalibrated my monitor - BenQ SW2700PT using my Spyder5. When I first got this monitor about 3 years ago it would display ~99% of sRGB gamut and high 90s% for AdobeRGB. But now it is only giving me mid-70% of AdobeRGB. It was puzzling to me that the AdobeRGB had apparently deteriorated so much. By the way, I edit in ProPhoto color space using LR and PS subscription with all current updates on a MacBookPro (current Catalina). I print from the LR print module using appropriate LCC paper profiles.

Then I coincidentally received an email offer to upgrade to a SpyderX which got me to thinking about this whole thing and lead me to make the initial post.

I called BenQ and they told me that the screen really should not degrade like that and speculated that my colorimeter might be going bad.  That of course made me think even more about replacing the Spyder5.

Based on the graph that Andrew posted it looks like maybe I ought to switch to an i1 Display Pro instead of going to the newer Spyder. Anymore thoughts on that are appreciated.

Also, is it true that the gamut range of a screen should not change much over time, or at least the 2 or 3 years I’ve been using my BenQ?  Not knocking BenQ or their comment to me, just interested in seeing if people think that a monitor’s gamut is likely to degrade based on their experiences.

And, is it true that a colorimeter would more likely go bad over the 2 year time frame I’ve had the Spyder5?

I doubt I will rise to the level of technical proficiency or demand as the above respondents, but I sure would like my printing to be more predictable!

Thanks for your comments as always,
Brookie

You can change the SW2700PT gamut by changing modes or calibrating it to smaller space, so most probably you did it unintentionally. There's no way the display could deteriorate in this way, and Spyder 5 shouldn't go bad as well. Are you calibrating it with Color Palette software? Check what color mode is selected in OSD menu.
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