Questions tagged [lens-correction]

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Lens corrections from lightroom .lcp to darktable .xml

My aim is to convert lens correction file .lcp (adobe lightroom) to use it in darktable. I downloaded lensfun database with lensfun-convert-lcp (it has no extension) regarding this link and have no ...
Adam's user avatar
  • 11
0 votes
2 answers
99 views

Focal length correction, or: simulating a perfect flatbed scan using a camera

Is there a ready-made tool (preferrably a Photoshop filter) to correct for geometric distortion caused by finite focal length of the lens? This is in the context of using a camera to "scan" ...
Zeus's user avatar
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Was there a Canon lens correction tool that output the lens corrected raw files for a folder of pictures?

The canon raw photo file was not lens corrected, such as the discussion in this post.(Canon DSLR Lens Correction) However, some photo editing software could not apply the lens correction itself. Was ...
ShoutOutAndCalculate's user avatar
0 votes
1 answer
479 views

Can I add third party lens profiles to Nikon cameras or software?

I'm starting to shoot directly in JPG to save time, since I don't need RAW processing most of the time. However, my D7100 and my Z50 have no built-in lens correction profiles for my Sigma 18-50 and 50-...
FarO's user avatar
  • 1,329
2 votes
2 answers
2k views

Darktable: apply camera's filters, lens correction and crop by default in darkroom mode

I have a Sony Alpha mirrorless camera. When I preview my photos from the lighttable, they look like they do on the camera. But when I open in darkroom, the aspect ratio, lens correction and color ...
3x5's user avatar
  • 121
2 votes
1 answer
242 views

How to use quartered circles to correct camera alignment?

I have seen several scales/scalebars for use in fieldwork/scientific photography that include quartered circles (similar to targets). If I understand correctly, those would be useful to correct images ...
James's user avatar
  • 23
1 vote
2 answers
782 views

Both my camera (Canon 6D mkII) and my raw processing app (Lightroom) can do "Lens aberration correction". Which should I use?

I mostly take pictures in RAW with a Canon 6D Mk II before processing them into Adobe Lightroom. I've historically always used Adobe's "Lens Correction" feature to automatically detect the ...
growse's user avatar
  • 163
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1 answer
427 views

How to perform lens shading correction given downsampled lens shading map

I'm working with the HDR+ Burst Photography Dataset. The burst RAW images are provided in DNG format. For each image, an additional low-resolution floating point lens shading map (encoded as .TIFF) is ...
Neb's user avatar
  • 113
0 votes
2 answers
292 views

Does the Canon T7i apply lens correction options to raw format images?

I've seen some conflicting information on similar questions. I'm working with Lightroom and its lens correction option - I also have the in-camera lens correction option enabled. Does the in-camera ...
TheFoss's user avatar
  • 15
1 vote
1 answer
123 views

Does my lens have lens corrections table for photoshop?

I have got my first DSLR, Nikon D80 and altough I am happy to get a DSLR with dual dials, pentaprism and best of all, CCD sensor but the lens that came with it has a problem. I have searched the net ...
Delta Oscar Uniform's user avatar
0 votes
1 answer
133 views

How does registration distance affect lens distortion and aberration correction?

If I use a lens with an extension tube, how does changing the distance between the lens and camera affect optical correction of distortion and aberration via glass elements (as opposed to digital ...
xiota's user avatar
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2 votes
2 answers
1k views

Converting adobe lens correction for lensfun / darktable

I'm trying to import Adobe's lens profiles to lensfun (for use with darktable). I'm using darktable 2:2.6.2-1 on Arch Linux installed through pacman, which brought down lensfun 0.3.2-7. (I'm not ...
ashic's user avatar
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0 votes
1 answer
428 views

Use Canon DPP only to correct lens for my Powershot G7X Mark II and export RAW [duplicate]

I recently bought a Canon Powershot G7X Mark II. I am using Linux and I found darktable to be a decent photo editor. However, my RAW pictures come with a distortion which darkens the corners and ...
Matias Faure's user avatar
8 votes
2 answers
8k views

Lens correction in darktable when my lens isn't known?

I took some raw (CR2) photos and want to edit them in darktable. The focal length is quite low and the distortion high. Usually I correct the distortion by using darktable's ...
quiliup's user avatar
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3 votes
1 answer
287 views

Why doesn't UFRaw automatically find the lens profile for one of my lenses, even though it's in the database?

When I open a raw image, made with a Canon EOS 600D, UFRaw for some lenses does not automatically find the lens profile. This is an example where it does find the profile: ...
Ge We's user avatar
  • 31
5 votes
4 answers
332 views

Distance-creating "lens"?

On another recent question I noted that it's theoretically possible to take "short-range" pictures that have the perspective as if they were taken at a distance, by means of a system of mirrors: To ...
R.. GitHub STOP HELPING ICE's user avatar
6 votes
2 answers
3k views

How can I get headshot portraits with pleasing, natural perspective if I'm constrained to a short distance?

I know in a portrait photo we use distance between camera and the subject in such a way as to create a pleasing and hopefully natural-looking perspective. I think it's good on 1 ~ 1.5 meter to get a ...
Akj's user avatar
  • 79
7 votes
1 answer
1k views

How to make lens correction data for Samsung S8 in Darktable?

I'd like to use the Lens Correction module in Darktable. My photos are taken with Samsung S8, and Darktable does not have the information about the lens in this phone. How can I add this information? ...
Dmitry Kabanov's user avatar
5 votes
4 answers
3k views

How can I avoid vignetting when shooting in raw with a Canon Powershot?

Very inexperienced person here when it comes to photography and raw processing here. I'm using a Canon SX 60HS camera. No attachments — filter/hood/etc. — of any sort were attached to lens. After ...
user871199's user avatar
2 votes
2 answers
2k views

Darktable lens correction doesn't find lens automatically

I have been using darktable for sometime now on Debian. But after I re-install the operating system, darktable does not find my lens automatically. Instead I have to choose the lens manually every ...
Stelios Joseph Karras's user avatar
1 vote
1 answer
418 views

Peripheral illumination correction value

In Canon Digital Photo Professional one can apply Peripheral Illumination Correction if a profile for specific lens is available. The value is adjustable between 0 and 120. Did anyone figure out what ...
sirVir's user avatar
  • 133
3 votes
3 answers
2k views

How to remove vignetting and color cast from wide angle lens?

After shooting several images with the Samyang 12mm f/2 for mirrorless APS-C, I noticed it produces a quite strong color cast. It looks like green vignetting. As far as I know, this isn't uncommon for ...
smow's user avatar
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0 votes
2 answers
335 views

Can lens correction help distortion caused by getting too close for headshots?

I am using a Nikon 50mm 1.8D, but with an APS-C on a D7200, it gives me 75mm focal length. It's as sharp as a $700 85mm lens, and I paid $135 brand new for it. I am currently using this setup for ...
samseva's user avatar
  • 163
1 vote
1 answer
4k views

How is the EOS Lens Registration application and data intended to be used?

I have a Canon 7D and recently found the EOS Lens Registration tool. I've used it to put the profiles of the lenses I own into the camera. That part all makes sense. What I'm more confused about is ...
user1118321's user avatar
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1 vote
0 answers
613 views

Where can I find Adobe Lens Correction Profile (.lcp) files for RawTherapee?

The latest versions of RawTherapee can apply corrections from Adobe Lens Correction Profile (.lcp) files, but where can these be found? I've tried Adobe's Lens Profile Downloader, but it doesn't list ...
Douglas Silas's user avatar
5 votes
2 answers
5k views

Where Can I Find Lens Correction Profile Files (for RawTherapee and Other Apps)?

RawTherapee can perform lens corrections provided it has access to the correct Lens Correction Profile (.lcp) file. These files are supposedly distributed with Adobe software, but even after ...
Douglas Silas's user avatar
7 votes
6 answers
1k views

Night Photography Moire - Nikon D810

I'm shooting with a Nikon 810, and my night shots often have a strong moire when I export them from Lightroom at 640x640 (optimized for Instagram). This photo was shot at f2.8, ISO 4000, 15 seconds ...
J Kaiser's user avatar
  • 111
1 vote
1 answer
2k views

Canon third party lens peripheral illumination correction

Is it possible (and if so how) to add data for a third party lens (Tamron 55-200mm) to a Canon 50D for peripheral illumination correction?
James Screech's user avatar
2 votes
2 answers
423 views

How does lateral chromatic aberration correction without a lens profile work?

Many different software (including Lightroom) can correct lateral chromatic aberration without having a special profile for the lens. How is the correction done? Adobe's method for doing it when a ...
Szabolcs's user avatar
  • 2,883
2 votes
1 answer
540 views

How do I remove the green and purple fringing from the B&W blouse in this photo?

How can I remove green and purple colors from this photo? In Lightroom, I tried the 'Remove Chromatic Aberration' option but it doesn't help.
user50617's user avatar
4 votes
5 answers
9k views

Why don't smartphone cameras correct pincushion distortion automatically?

I've previously asked why the GoPro doesn't automatically correct for the fisheye distortion, and this question is related, but different: Given that smartphones have so much processing power nowadays ...
Dan Dascalescu's user avatar
8 votes
2 answers
2k views

Why does lens distortion correction in Capture One also crop?

I tried to get the answer on the official forum here but it was non-conclusive for me. I am trying with a more concise question here: When I import the RAW files from my Panasonic Lumix LX100 into ...
bitbonk's user avatar
  • 569
4 votes
4 answers
45k views

Is distortion on an iPhone primarily due to perspective or does lens distortion play a part, and what can be done about it?

I am researching how to correct any facial distortions seen on an iPhone's front camera. Here is my current understanding of the issue: close-up photos will enlarge nearer facial features such as ...
Clay's user avatar
  • 41
5 votes
1 answer
646 views

How to handle lens name mismatch between Darktable / exiv2 and Lensfun?

Darktable doesn't recognise my Panasonic 12-32mm pancake on my Olympus E-M10 due to a mismatch of the exif LensType and lensfun modelname. ...
Fritz's user avatar
  • 53
6 votes
3 answers
7k views

How to add lensfun 0.3.0 db to darktable on ubuntu?

I tried the approach suggested by Torsten Bronger in How do I add lens correction for my model+lens to Lensfun in Darktable? (extracting the xml files from 0.3.0 tar and overwriting in /usr/share/...
dsaronin's user avatar
  • 191
3 votes
1 answer
4k views

How do I add lens correction for my model+lens to Lensfun in Darktable?

Camera: Olympus OMD EM-10 Lens: Olympus M.Zuiko Digital 14-42mm f/3.5-5.6 EZ Darktable: 1.4.2 My raw's are showing a lot of distortion with the above lens that I try to correct using the Lens ...
ripat's user avatar
  • 133
0 votes
2 answers
719 views

Is light fall off corrected for in modern cameras?

Because of the way light is projected in a camera the image can be darkened near the edges. My questions is, do modern cameras attempt to correct for this light fall off? Description of the light ...
John Robertson's user avatar
7 votes
1 answer
658 views

Does Lightroom take sensor size into account when applying lens correction profiles?

I have a question about using the lightroom lens correction profiles for cameras other than full frame. I have been using a Tamron 24-70 which is known for having slight vignetting (full frame only) ...
connersz's user avatar
  • 1,886
2 votes
2 answers
367 views

What does it mean, to copy a lens profile correction from one photo to another in lightroom?

As the title says, what happens when copying a "lens profile correction" setting from one photo to another in lightroom? Supposing I have two photos, one shot at 10mm, one shot at 20mm, both using ...
Synchronium's user avatar
12 votes
3 answers
1k views

Did film photography have lens correction counterparts?

Were there ever any tools to correct for lens distortion in the film-only era? I'm thinking a device that contained a lens system that you could alter, or a soft workable lens that you could fine tune,...
Hugo's user avatar
  • 8,288
7 votes
2 answers
361 views

Should I set the lens profile option in Lightroom If I already have the lens correction information on my Canon 6D?

I've a 6D with lens profile information for all my lenses. So when I process pictures from the camera in Lightroom do I need to set the lens profile option?
Viv's user avatar
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9 votes
1 answer
26k views

Why doesn't my camera have lens corrections for my new lens?

I've been using a brand new Canon 5D Mark III (with the latest firmware v1.2.3) with some recent lenses (all older than the camera itself though), but most of them don't have any lens correction ...
drfrogsplat's user avatar
  • 5,714
2 votes
1 answer
326 views

How many different focal lengths and apertures does a typical lens correction profile in Lightroom consist of?

Due to different distortion in lenses at different apertures and focal lengths different corrections have to be applied under different conditions when using Lightroom lens correction. I guess this is ...
Hugo's user avatar
  • 8,288
0 votes
2 answers
736 views

Do Lightroom lens correction profiles for Contax G lenses (e.g. 90/2.8) exist?

I recently acquired a used Contax G 90/2.8 Sonnar lens, which is an amazing piece of glass and was wondering did anyone make lens correction profiles for it?
Andrew's user avatar
  • 550
16 votes
3 answers
4k views

What causes and how can I avoid this moiré pattern in a composite night sky photograph?

I'm new to taking star trails, and fairly new to photography in general. After my first attempt at taking a star trail, I composited them in Photoshop and when I merged the layers I got this pattern ...
mekugi's user avatar
  • 161
7 votes
2 answers
5k views

How to force Lightroom to use a specific lens profile?

I use a Canon 6D and a Rokinon (Samyang/Bower) 14mm f/2.8 for some fun UWA shots. I had already downloaded a lens profile using Adobe Lens Profile Downloader to correct for the mustache distortion. ...
kenny's user avatar
  • 359
3 votes
4 answers
374 views

What does lens correction in software actually correct to?

I understand what lens correction does, correcting vignetting, barrel/pin cushion distortion and other types of distortion, however I was wondering what the photo is corrected to? Vignetting is ...
pilkch's user avatar
  • 133
1 vote
1 answer
282 views

Does Microsoft ICE correct barrel distortion?

For a panorama, I created more than a hundred images with my Panasonic Lunix DMC FZ5, with 6mm focal length (35mm equivalent: 36mm). I want to import these images into ICE, to create a panorama. The ...
feklee's user avatar
  • 549
2 votes
1 answer
2k views

Why does using Canon's Digital Lens Optimizer double the size of a RAW file?

In recent editions of Canon's Digital Photo Professional (beyond version 3.11.10 or later) a lens correction tool known as Digital Lens Optimizer (DLO) has been added. It uses Canon's own knowledge of ...
Michael C's user avatar
  • 175k
7 votes
2 answers
3k views

Canon DSLR Lens Correction

In Canon DSLRs there is an option to automatically correct Lens Vignetting and Color Fringing. When enabling this option, would it still be necessary to enable lens correction in LR4/Photoshop? If not,...
zzzbbx's user avatar
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