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Flat Field Correction has always been with my Lightroom.  I'm now on edition 6.14, the standalone edition with no cloud or future support.

 

It works very well and so simple to use with many of my Voigtlanders 15mm, 21mm, 28mm (all ltm lenses)...all need cornerfix  usually.  Sometimes i get no edge colours; it depends on the subject quite often. Please note I'm talking M-P (typ240) here; of course no edge effects at all, ever, on my M8's where these lenses shine.

I find coding the lens as a wide angle Leica lens doesn't work at all.

It's either fixed, or it's not fully fixed...there is no half way partial fix.

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Just noticed this old thread got revived, so I thought I might share my journey with the little Voigtlander lens. I did use it for almost three years and had a lot of fun with it, but the color cast was just too strong on a lot of photos and depending on the subject I wasn't able to find a quick and easy way to reliably remove it. So about a year ago I replaced it with a Leica Super Elmar-M 3.4/21 ASPH., and I know I'm stating the obvious, but this lens is not only better in every measurable way, I absolutely admire the color rendering. I'll post just one photo to show what I mean (those greens!) and then I'll stop talking (slightly) off topic.

Isle of Skye, Scotland, August 2019 by Hannes Brecher, on Flickr

Also got an old-ish 21mm Leica OVF, which distorts like a hundred times less than the cheap Voigtlander one, which makes working with the lens a lot easier. 

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Thank you for all your answers and suggestions. I looked into flat field correction and I have to say that it is a pretty tedious process. They way lightroom approaches it seems pretty cumbersome to me, but I got it working with Capture one. I guess the main problem in fixing the cast is getting a really good reference file. But I have to say, that I don‘t think that I will be happy with that workaround. 

 

 

48 minutes ago, Poki said:

Just noticed this old thread got revived, so I thought I might share my journey with the little Voigtlander lens. I did use it for almost three years and had a lot of fun with it, but the color cast was just too strong on a lot of photos and depending on the subject I wasn't able to find a quick and easy way to reliably remove it. So about a year ago I replaced it with a Leica Super Elmar-M 3.4/21 ASPH., and I know I'm stating the obvious, but this lens is not only better in every measurable way, I absolutely admire the color rendering. I'll post just one photo to show what I mean (those greens!) and then I'll stop talking (slightly) off topic.

Isle of Skye, Scotland, August 2019 by Hannes Brecher, on Flickr

Also got an old-ish 21mm Leica OVF, which distorts like a hundred times less than the cheap Voigtlander one, which makes working with the lens a lot easier. 

 

 

Thank you for this post. I was looking for alternatives on 21mm lenses for Leica and came across the Super-Elmar. Unfortunately the price is close to 7 times of the 4/21 Voigtlander

Edited by mrharpman
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4 hours ago, Poki said:

Just noticed this old thread got revived, so I thought I might share my journey with the little Voigtlander lens. I did use it for almost three years and had a lot of fun with it, but the color cast was just too strong on a lot of photos and depending on the subject I wasn't able to find a quick and easy way to reliably remove it. So about a year ago I replaced it with a Leica Super Elmar-M 3.4/21 ASPH., and I know I'm stating the obvious, but this lens is not only better in every measurable way, I absolutely admire the color rendering. I'll post just one photo to show what I mean (those greens!) and then I'll stop talking (slightly) off topic.

Isle of Skye, Scotland, August 2019 by Hannes Brecher, on Flickr

Also got an old-ish 21mm Leica OVF, which distorts like a hundred times less than the cheap Voigtlander one, which makes working with the lens a lot easier. 

Hi Poki

You can have any colour you like...with modern computer processing.  Not all of us like over verdant greens...but it's all a matter of taste.

All best...

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8 hours ago, david strachan said:

Hi Poki

You can have any colour you like...with modern computer processing.  Not all of us like over verdant greens...but it's all a matter of taste.

All best...

Thanks for reminding me why I shouldn’t share images on the web. I‘ll be back in another three years then.

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Nice image if you intended to show a broccoli field :D;). Just kidding of course. I like much your composition and adjusting white balance or removing otherwise a bit of color cast should suffice to fix the problem if any. Now to each his tastes obviously :cool:.

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  • 3 years later...
2 hours ago, Al Brown said:

Some years have passed, has someone put this lens on M10-R or M11 and assessed the purple edges there?

The Skopar 21/4 does not exhibit color shifts on the M11.

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Am 2.2.2020 um 07:30 schrieb Poki:

Thanks for reminding me why I shouldn’t share images on the web. I‘ll be back in another three years then.

Time‘s up.

Edited by Apochromat
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vor 12 Stunden schrieb Al Brown:

Some years have passed, has someone put this lens on M10-R or M11 and assessed the purple edges there?

On my M10R, the Color Skopar 21/4 produces slight magenta color cast at the extreme left and right edges.

 

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Saturation set to maximum:

 

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14 minutes ago, Robert Blanko said:

On my M10R, the Color Skopar 21/4 produces slight magenta color cast at the extreme left and right edges.

 

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Try coding it differently.

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The M10-R has no BSI sensor i guess. Sony BSI sensors like that of the M11 are free from color shifts on critical lenses like Heliar 15/4.5 v2, Elmarit 28/2.1, Super-Angulon 21/3.4, Skopar 21/4, Biogon 21/4.5, Elmarit 28/2.8, etc. Same on my Sony A7r2 mod.

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I also liked the lens but i sold it because of the f4

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vor 23 Stunden schrieb jaapv:

Try coding it differently.

Any idea which lens would be most suited? Elmarit 21 ASPH seems to be the best choice?

I'm wondering whether there is any information available which parameters are actually affected (one or more and which of vignetting, distortion, color cast,...) by the respective lens profiles on the respective camera type or whether this is Leica's secret.

For instance the following website lists some profiles, but does not seem to shed light on the aforesaid question: https://lavidaleica.com/content/leica-lens-codes

Edited by Robert Blanko
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1 minute ago, Robert Blanko said:

Any idea which lens would be most suited?

Elmarit 21/2.8 pre-asph on M240. I use the same profile on my M11 because the lens is hand coded as such but how i feel it, the camera does not need any code to avoid color shifts thanks to the BSI sensor of the M11. 6-bit coding can be useful for adjusting vignetting though.

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