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vor einer Stunde schrieb pedaes:

Is it incorrect, or a calibration that doesn't suite everyone. The number of M11 owners raising issues here must be way less than 1% compared to total cameras sold.

It is both, it is incorrect and it does not suite everyone. ;)

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What really counts is that Daniel got his issue fixed. Congratulation, Daniel. I am happy for you. Your patience and persistence paid off.

At the same time Daniel could show that there is indeed a solution ready at Leica for those who have big problems with that color cast. And as I understood it was even not necessary to send the camera to Germany.

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vor 1 Stunde schrieb M11 for me:

At the same time Daniel could show that there is indeed a solution ready at Leica for those who have big problems with that color cast. And as I understood it was even not necessary to send the camera to Germany.

That's correct. Since the first transfer from Switzerland to Germany was not only time-consuming but also unsuccessful — likely because my request wasn't properly understood — another solution was found. For the second attempt, instructions were provided to the service center in Switzerland, enabling technicians there to calibrate the white balance themselves using the correction data supplied by Wetzlar. Therefore, my experience regarding the total duration is not representative of future requests from other countries. My impression throughout this process was that Leica is genuinely striving to improve its service procedures. Of course, I cannot comment on how quickly or effectively this will work in other countries or for other customers. However, I believe I have contributed to something that may help not just me.

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Posted (edited)

I'm sorry in advance if I didn't read every post. My first 50 photos were too dark and too magenta. The first thing I did to fix this was to change the metering to Multi-field from Highlight-weighted. Then I set the white balance to daylight. Then I shot this color checker chart in daylight.

Looking back to my art repro days, I opened this capture and checked white, black, and middle grey patches with the eyedropper tool. The white patch should read 240/240/240 for detailed highlights. This can be pushed up to 255/255/255 for specular highlights or set anywhere in-between to taste. The black patch should read 30/30/30 and middle grey should read 140/140/140. The M11 did reasonably well with the multi-field/daylight settings.though the contrast was low and there definitely was a magenta bias. Note, these numbers don't exactly translate into LRC.

But setting the WB to 5150 and the tint to 10-15 in LRC did fix the magenta cast. Contrast was improved by adjusting the white and black sliders by +25 and -25. I plan to write a new profile as soon as I find my Color Checker Passport... I keep leaving it behind in artist's studios. But for now, I'm just going to make this my preset.

BTW: those WB and tint numbers were Elmar's idea. Just giving credit where it's due.

http://www.barefootinkauai.com

 

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Edited by Printmaker
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40 minutes ago, Printmaker said:

Looking back to my art repro days, I opened this capture and checked white, black, and middle grey patches with the eyedropper tool. The white patch should read 240/240/240 for detailed highlights. This can be pushed up to 255/255/255 for specular highlights or set anywhere in-between to taste. The black patch should read 30/30/30 and middle grey should read 140/140/140. The M11 did reasonably well with the multi-field/daylight settings.though the contrast was low and there definitely was a magenta bias. Note, these numbers don't exactly translate into LRC.

You got it close

white .05  is 243/243/242

Black 1.50 is 52/52/52

and neutral 6.5 160/160/160

 

Don't get so dependent on the Color Checker Passport, it is not great to limit your calibration to 24 Patches, what you have up there is much better.

Keep in mind that even exposure can change your colors in the M11, I have noticed a blue shift when you underexpose, so it is best to adjust in post.

LrC applies a preset that should make the image look better, but it is not linear and does not always produce good results.  Every program will apply a different initial preset or profile to your images.

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20 hours ago, Printmaker said:

The first thing I did to fix this was to change the metering to Multi-field from Highlight-weighted.

I don't know why, but this surprised me.  Now I'm going to have to play around with my camera to see the differences between the metering modes.

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