Voigtlander VC 4.0/21mm on M240?

[swiss leica fan]

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Hello

 

Does anybody has experience about how the Voigtlander VC 4.0/21 performs on the M240? Is there still a problem with color shift in the corners as it is with the M9?

 

I have a WATE which I love very much. However, I look for a little 21mm with less weight and if possible 39mm filter size that I can carry around more easy.

 

If the VC 21 does not work on the M240, are there any alternative 21mm lenses that are significantly smaller than the WATE? I think the Zeiss 2.8/21mm or 3.4/21mm SEM are not really smaller compared to the WATE.

 

Thank you for your response.

Regards

Andreas

[Ecar]

Red edges and vignetting are still present, although to a notably lesser degree (smaller edges, less color shift) than on the M9.

But I still like this tiny lens for street work. To me, using it is worth a quick trip to the Flat Field plugin in LR (or to Cornerfix).

[acordes]

Yes, you will have the 'Italian-Flag', but you can use the LR Adobe DNG Flat Field plug-in to correct:

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[250swb]

I haven't seen the 'Italian Flag' syndrome but you do get 'red edge' whatever you code the CV21mm as. Cornerfix is the only easy fix. Yes the 21mm ZM f/2.8 is quite large but that does work perfectly.

 

Steve

[epand56]

Even the CV 21/1.8 Aspherical works flawlwessly, even if it's bigger than the 21/4. On the M 240 you'll have neither flags of any kind nor color shift.

Here you are an example just out of LR untouched:

 

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[250swb]

Great photograph Enrico, and a fine example for the discussion. I had forgotten about the CV f/1.8, it is fairly big though, like the ZM f/2.8, isn't it? I've never seen one in the flesh.

 

Steve

[epand56]

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Steve,

 

thank you for your comment. Yes, the 21/1.8 is a medium-big lens. The most annoying feature is the fixed hood you can't take off the lens. But For the price it is an outstanding performer.Anyway, it is not bigger than a Summilux 35/1.4 Asph. with the hood on.

It is my first 21, so I'm not able to tell if is better or worst than any other 21, but Im very happy to have it.

[bocaburger]

I have 2 of the CV 21mm F/4 lenses, an original screw mount with an adapter, and the later M mount. Both I DIY coded as the Leica 21 Elmarit pre-ASPH as I found it was the best correction algorithm on the M9. In fact the 21 Elmarit still exhibits a little residual red-edge on the M9. I have only briefly tested these lenses on my new M240, shooting against a white wall, and the red edge is there but no worse than the M9. I found that 99.9% of the time it doesn't show up to enough degree in actual picture taking that I have to correct for it. Only if the corner areas are white or very light colored will it be noticeable, and of course in b&w it just looks like ordinary vignetting. A bit of Cornerfixing is all it needs in those rare cases.