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Questions tagged [colorchecker]

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2 answers
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Calibrating using two color targets?

I have two color targets, one is the x-rite Colorchecker Digital SG, the one is CMP Digital Target Studio Edition. While the x-rite one is missing some brighter color patches like pink, the CMP target ...
reddy's user avatar
  • 315
1 vote
2 answers
126 views

How do I flatten a big color target for shooting

I just brought a new color target but upon a week it started to curl up so I couldn't shoot it with even lighting. The target is about 16 x 12 inch. I have asked the seller for help and he said to ...
reddy's user avatar
  • 315
2 votes
1 answer
93 views

Do I still need a high CRI rating light source when I have a color target?

I have brought some color targets so I can get accurate color on my shooting. The problem though is that finding a cheap high CRI rating light to light up the target somewhat difficult, as the rating ...
reddy's user avatar
  • 315
1 vote
0 answers
71 views

X-Rite Colorchecker Passport Photo 2: where can I find the spectral reflectance data for the first two pages?

Similar to this Colorchecker Classic discussion, I'd like to ask for the spectral reflectance data (or at least for the colour specifications) of the first two pages of the X-Rite Colorchecker ...
Nomaru's user avatar
  • 196
-1 votes
1 answer
258 views

How to create custom reference data for ColorChecker Charts using X-Rite ColorChecker Camera Calibration?

I am using ColorChecker Camera Calibration v2.0 in combination with Colorchecker Digital SG achieving the most colourimetric accurate colours. At the moment the software is using the values given by ...
G M's user avatar
  • 413
2 votes
0 answers
206 views

Converting RGB to Grayscale by reference

There is such a problem. There is shooting on a color camera with a ColorChecker. And there is shooting on another, grayscale camera with the same color checker. Is it possible to somehow convert the ...
Aleksandr Borisov's user avatar
3 votes
3 answers
265 views

Can't get the right colors when shooting art. Looks pale even with ColorChecker Passport

I am trying to shoot my art, and colors seem off, more specifically pale. I am aware I can adjust settings manually since I shoot in RAW, but I feel like if I get exposure and white balance and ...
mgPePe's user avatar
  • 131
1 vote
1 answer
127 views

Which of these ND filtered images do you think is more accurate? (sample images included)

As a followup to my previous question; there has been interest expressed in the results of my ND filter tests. First, I should clarify that the heavy color cast shown in that post was from a single ...
The111's user avatar
  • 205
4 votes
1 answer
1k views

How to use X-Rite ColorChecker with Sony a7R IV?

I purchased an X-Rite ColorChecker to attempt to get better white balance for my camera (a7R IV). My first attempt at using it has yielded wildly questionable results. Process below. All files ...
The111's user avatar
  • 205
7 votes
2 answers
7k views

Xrite Colorchecker color specifications and 18% reflectance gray card

I have a Xrite Colorchecker Classic: Where to find the color specifications for each square (either in CMJN or any other format)? Let's say I want to develop my own open-source color correction ...
Basj's user avatar
  • 356
4 votes
2 answers
338 views

Colour Workflow A - Z

I've been researching this for months. I think I'm closer, but still not quite there. So, the basic question - have I got this right? I shoot with a Nikon D5500, shooting 14-bit RAW NEF, Picture ...
Tetsujin's user avatar
  • 23.4k
1 vote
4 answers
618 views

How to compare 2 cameras' color accuracy quantitatively with standard color chart?

I need to compare the color reproduction accuracy of 2 cameras quantitatively, in RGB space or Lab space. In my set-up, I use the same standard lighting source, same lens(same focal length and same ...
Zhao Huang's user avatar
5 votes
1 answer
989 views

Is it possible to use ColorChecker Passport with Film?

The software for the X-Rite ColorChecker Passport seem to only work with DNG. Is it possible to use this with scanned film? I tried converting TIFF and JPEG scans to DNG but X-Rite's program just ...
Matthew Whited's user avatar
1 vote
1 answer
124 views

How to shoot the sequence of adjusted exposures wanted for a ColorChecker?

I'm trying to shoot a sequence of photos needed for calibration. As instructed, I'm in manual mode, with fixed ISO 100 (camera dafault), and other values read from the lightmeter ... and now: Can you ...
user37699's user avatar