Disbable automatic crop and lens distortion and question to

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Disbable automatic crop and lens distortion and question to

Postby NNN636914942609813786 » Sat Jun 29, 2019 2:59 pm

This thread is from 2013:
https://captureintegration.com/capture- ... orrection/

1. Unfortunately this thread is for MAC and i haven't found the path where i can save the downloadable "disable distortion" profile in Windows.
Does anyone know the alternative path or is this profile anyway not working on Windows?

2. Has since then (2013) been a "fix" for this issue? I haven't found a way to disable automatic lens distortion or cropping some of my images.
All i can do is play with "Generic" "Manufacturer" and the "Lens" Profiles.
"Hide distorted areas" doesn't do anything.

And some photos are looking better with generic some with the lens profile, how are you dealing with that?


3. Furthermore, can it be that the pixel size in the crop area is not properly shown under certain circumstances?

The RAF files showing full pixel size with "Manufacturer" and "Generic" profile, however the "Manufacturer" Profile is more cropped.

For example:
Picture with 32mm Focal length. Dimension in Properties (Metadata): 6240x4160

With original "Lens" profile: FOV slightly less than "Manufacturer" profile, pixel size in crop tool: 6130x4087
With "Manufacturer" profile: FOV slighly more than "Lens" profile, pixel size in crop tool: 6240x4160
With "Generic" profile: FOV much bigger than "Lens or Manufacturer" profile, pixel size in crop tool: 6240x4160

The Distortion is not visible in generic, and the manufacturer is very slightly different from the lens profile, and i can't tell which is more or less, i just see a difference when switching in between the two. But guessing from the crop i would say the "Lens" profile is more distorted-or more corrected whatever (because more cropped)

The equivalent Jpeg file: FOV slightly bigger than "Manufacturer" profile and is slightly smaller than the "Lens" profile of the RAF files, and therefore it comes with a third version of distortion correction. Pixel size in crop tool is: 6240x4160 the lens profiles are greyed out.

Again, "Hide Distorted Areas" doesn't do a thing on all 3 profiles.
All 3 profiles have a value of 100 in the distortion slider, except the generic one it's on 0.
The Lens Profile is the Fuji XF18-55mm which also the pictures are shot with.
Also the crop size varies with the focal lenght. Some aren't even cropped, but still distortion is applied. The above example applies only to 32mm Focal length.

4. Distortion slider:
What is the difference from "Generic" profile to the others?
The generic profile has its slider at 0, when moving around the picture is obviously cropped but without showing it in the crop tool size.
When adjusting the distortion slider in the manufacturer profile the crop tool pixel size decreases first, then it increases again. But the crop just goes on and on.
The Lens profile slider decreases the pixel size the bigger the number. Which is the only one that matches what i see in the picture.

Thank you for your help and hints.
NNN636914942609813786
 
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Re: Disbable automatic crop and lens distortion and question

Postby Ian3 » Sat Jun 29, 2019 3:56 pm

You disable default lens correction by going to the lens correction tool, clicking the ... and checking Disable Default Lens Correction. That will affect new imports but it won't change images that have already been imported. (Maybe it was different in 2013 - I can't remember, now.)

Ian
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Re: Disbable automatic crop and lens distortion and question

Postby NNN636914942609813786 » Sat Jun 29, 2019 6:44 pm

Unfortunately i only have "Analyze" and "Default" to choose from.
On the triple - i have "Stack presets" and "Save user preset..."

Guess this function is not available in the Fuji Express version then.
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Re: Disbable automatic crop and lens distortion and question

Postby Ian3 » Sat Jun 29, 2019 7:41 pm

NNN636914942609813786 wrote:Unfortunately i only have "Analyze" and "Default" to choose from.
On the triple - i have "Stack presets" and "Save user preset..."

Guess this function is not available in the Fuji Express version then.

You're clicking on the wrong ... The one I mean is the one on the same line as the words Lens Correction - you seem to have clicked the one next to the words Chromatic Aberration.

Ian
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Re: Disbable automatic crop and lens distortion and question

Postby NNN636914942609813786 » Wed Jul 03, 2019 9:14 pm

Actually i I've clicked on both.
There i have "Stack presets" and "Save user preset..." only.
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Re: Disbable automatic crop and lens distortion and question

Postby Ian3 » Wed Jul 03, 2019 9:54 pm

NNN636914942609813786 wrote:Actually i I've clicked on both.
There i have "Stack presets" and "Save user preset..." only.

This is the one I mean. (If you are seeing Stack presets and Save user preset, I think you have clicked the three lines not the three dots.)

Ian

Image
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Re: Disbable automatic crop and lens distortion and question

Postby NNN636914942609813786 » Thu Jul 25, 2019 6:19 pm

Thanks Ian3
Have now the full version and found the setting. But it doesn't do anything so i believe that it's not Capture one, instead some setting from my camera. Unfortunately i hadn't the time to investigate more.

Point 3+4 would still interest me :)
If anyone knows a link to an article about that.
I didn't found anything useful yet.
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Re: Disbable automatic crop and lens distortion and question

Postby Ian3 » Thu Jul 25, 2019 6:30 pm

NNN636914942609813786 wrote:Thanks Ian3
Have now the full version and found the setting. But it doesn't do anything so i believe that it's not Capture one, instead some setting from my camera. Unfortunately i hadn't the time to investigate more.
But remember that it won't make any difference to images you have already imported. That preference only applies to what happens at the time of import. You can of course remove the correction from existing images, but not that way.

Ian
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Re: Disbable automatic crop and lens distortion and question

Postby NNN636914942609813786 » Sat Jul 27, 2019 8:01 pm

Thank you, how could i overlook this in your comment :)
And guess what it also works now.

And to disable the lens correction afterwards, one just have to slide the Distortion slider to 0.
Looks identical then with the one imported without default lens correction.
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Re: Disbable automatic crop and lens distortion and question

Postby SFA » Sat Jul 27, 2019 10:39 pm

For your questions 3 and 4 this section of the on-line help may be of interest.

https://help.phaseone.com/en/CO12/Editi ... Correction

For Fuji cameras and lenses most, these days, are probably using the lens information provided by Fuji according to teh camera body/lens combination.

Historically, before the special arrangement for Fuji users, Phase may have created their own lens profiles for some of the available Fuji lenses. That may still be the case for some lenses but I suspect that most are now using the Fuji supplied built in values. (Manufacturer)

Generic adjustments are still available should you wish to use them or are using a lens which does not have it's own profile from any source. (I'm not sure how many might be likely to be used in Fuji world).

The pixel sizes of the images will, presumably, be the dimensions remaining after the corrections have been applied and the now distorted areas, deemed to be unusable after correction due to distortion of pixel positions and the inability to fit the results into a rectangular crop format, have been discarded. (But you can show the distorted areas if you wish.)

HTH.


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