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How To Turn Auto Distortion Control OFF?

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Michael1000

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I thought at one point I was able to turn Auto Distortion Control off while running some lens tests on my 24-70 f4 S lens, but now it is ON, and the option is greyed out. Anyone know what setting might be blocking this from being changed?
 
According to the manual, it is always on with some lenses e.g. the 24-70 f/4 S. I presume the lens and the in-camera distortion correction are designed to work together.
 
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Michael1000 said:
I thought at one point I was able to turn Auto Distortion Control off while running some lens tests on my 24-70 f4 S lens, but now it is ON, and the option is greyed out. Anyone know what setting might be blocking this from being changed?
Click to expand...
For raw files taken with 24-70 f4 S, you can turn ADC off by not automatically applying the built-in profile. Adobe software always applies ADC. Other software (RawDigger, Capture One, ...) does not recognize the built-in profile and may be used to see the file without ADC applied.

Note that, if available, Auto Distortion Control (ADC) is applied to JPGs only.
 
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Many may have not noticed but the first time you attach the 24-70 Z to a Z and power the camera on it displays a warning about the automatic application of lens corrections.
 
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Big thanks to everyone who replied here. That clears it up for me. I'll look for the switch to turn off distortion control in Nikon's Capture NX-D when processing RAW files.

By the way, I am really enjoying this camera. :-)
 
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Michael1000 said:
Big thanks to everyone who replied here. That clears it up for me. I'll look for the switch to turn off distortion control in Nikon's Capture NX-D when processing RAW files.

By the way, I am really enjoying this camera. :-)
Click to expand...
It's a great camera, indeed.

You cannot turn off distortion control with Capture NX-D neither :-(.

You can download a trial version of RawDigger or Capture One and use those.
 
Michael1000 said:
Big thanks to everyone who replied here. That clears it up for me. I'll look for the switch to turn off distortion control in Nikon's Capture NX-D when processing RAW files.
Click to expand...
There's a way to disable the Z's lens corrections on ACR/LR but it requires a little work. I described the process here.
 
Michael1000 said:
I thought at one point I was able to turn Auto Distortion Control off while running some lens tests on my 24-70 f4 S lens, but now it is ON, and the option is greyed out. Anyone know what setting might be blocking this from being changed?
Click to expand...
You can turn it off using CNX-D. It is applied first during development, not in the camera. So if you take two identical images, disable the feature for one and you will see the differences.
 
olyflyer said:
Michael1000 said:
I thought at one point I was able to turn Auto Distortion Control off while running some lens tests on my 24-70 f4 S lens, but now it is ON, and the option is greyed out. Anyone know what setting might be blocking this from being changed?
Click to expand...
You can turn it off using CNX-D. It is applied first during development, not in the camera. So if you take two identical images, disable the feature for one and you will see the differences.
Click to expand...
I tried it in CNX-D and found that option disabled for images taken with Z 24-70 f/4. How were you able to disable lens correction on CNX-D for 24-70?
 
SrMi said:
olyflyer said:
Michael1000 said:
I thought at one point I was able to turn Auto Distortion Control off while running some lens tests on my 24-70 f4 S lens, but now it is ON, and the option is greyed out. Anyone know what setting might be blocking this from being changed?
Click to expand...
You can turn it off using CNX-D. It is applied first during development, not in the camera. So if you take two identical images, disable the feature for one and you will see the differences.
Click to expand...
I tried it in CNX-D and found that option disabled for images taken with Z 24-70 f/4. How were you able to disable lens correction on CNX-D for 24-70?
Click to expand...
I have to check it again, but I am pretty sure it's an option. It will take a few more hours before I have access to CNX-D since I am not at home now.
 
A little bit late to the scene... :-) But I recently got a 14-30mm f/4 which has the same forced automatic correction.

I managed a quite simple workaround, which probably can be automated. it requires to have (in my case) NX-Studio to generate a sidecar file. This sidecar can then be easily edited:

<filter id="nikon::Diffraction"><filter id="nikon::Diffraction"> <active>false</active> <parameters/></filter><filter id="nikon::Distortion"> <active>false</active> <parameters> <auto>false</auto> <type>0</type> </parameters></filter>

I did not manage to find a setting which enabes the GUI component for the "Auto Distortion Control", but this way you can use your favorite nikon software/colors.

Note:

The above text shows unscaped html.. In the NKSC file it will be shown as:

&lt;filter id="nikon::Distortion"&gt;&lt;active&gt;false&lt;/active&gt;&lt;parameters&gt;&lt;auto&gt;false&lt;/auto&gt;&lt;
 
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I also wrote a LR plugin that takes care of this too. More details here:

New LR Classic Plugin (macOS Only) to remove mandatory Built-in Lens Profiles

If you are doing image stacking or other heavy processing with lenses that Nikon has helpfully added mandatory lens profiles to you may have run into strange patterns in the noise that ruins your images. Well, fear no longer! I've added a new option to my Merge Raw Files plugin called "Remove...
www.dpreview.com www.dpreview.com
 
Michael1000 said:
I thought at one point I was able to turn Auto Distortion Control off while running some lens tests on my 24-70 f4 S lens, but now it is ON, and the option is greyed out. Anyone know what setting might be blocking this from being changed?
Click to expand...
For most lenses, it cannot be turned off. It's forced on. I think there are a few pro-level Z lenses where you can turn it off in-camera (I think the Z 70-200 is one of them, as I am able to turn the lens correction profile on/off in LR, which usually means it was possible to turn off corrections in camera as well but I don't have the Z 70-200 anymore so I can't verify). Most others it's forced on ,regardless of the camera.

--
NOTE: If I don't reply to a direct comment in the forums, it's likely I unsubscribed from the thread/article..
 
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That's a more user friendly solution. :-)
You are stripping all information, if i am correct. Possibly after extracting, modifying and adding the data, you could preserve other information.

Unfortunately I am not using a Mac nor Lightroom. I tried many programs, but I keep returning to Nikon's own solution.

My attemps:
  1. Modifying a "Recorded adjustment file"
    This did not work..
  2. Using one of my older win32 tools, I was able to enable the "Auto Distortion Control" checkbox, being able to change the Combobox with the Off/On" selection, but unfortunately its state does not seem to be checked.
    It did not work..
  3. Modifying the Nikon-SideCar file
    This does work, now I need Notepad++ to modify all NKSC file, or make a small tool to modify these files.
Other idea's:
  1. Modifying the .NEF file, trying to find a bit which marks the forced "Distortion Correction"
  2. Determine why NX Studio disables the checkbox and combobox, and patch the executable.
 
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Eta76 said:
That's a more user friendly solution. :-)
You are stripping all information, if i am correct. Possibly after extracting, modifying and adding the data, you could preserve other information.

Unfortunately I am not using a Mac nor Lightroom. I tried many programs, but I keep returning to Nikon's own solution.
Click to expand...
I actually do support Lightroom on Windows now, and there is a command line tool that actually does the work (the Lightroom plugin just calls the command line tool). I can explain in more detail if it's something you'd like to use. I can't support Linux I'm afraid because I rely on Adobe DNG Converter which you'd need to run in Wine.

I am only stripping all of the "opcode" information which is the mandatory rules about how the DNG processor should mangle the file. That's how Adobe DNG Converter is representing mandatory lens profiles on Nikon. All metadata is preserved and if you are using Lightroom then your local edits are copied from the original to the DNG for you.
 
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