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Voigtlander 28mm f/2 APO-Lanthar Review

  
 
mgscheu
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p.12 #1 · Voigtlander 28mm f/2 APO-Lanthar Review


I just noticed that Voigtlander's web site doesn't show this lens. Odd. I was also surprised that B&H doesn't have it, or at least list it as coming.


Jul 30, 2025 at 06:35 AM
Steve Spencer
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p.12 #2 · Voigtlander 28mm f/2 APO-Lanthar Review


mgscheu wrote:
I just noticed that Voigtlander's web site doesn't show this lens. Odd. I was also surprised that B&H doesn't have it, or at least list it as coming.


There are two different Voigtlander websites. The one you linked is the German website and it typically is not as complete as the Japanese website for Cosina, who manufactures the Voigtlander lenses. The Japanese website has a complete listing for the lens here:

https://www.cosina.co.jp/voigtlander/en/vm-mount/apo-lanthar-28mm-f2-aspherical/



Jul 30, 2025 at 06:40 AM
mgscheu
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p.12 #3 · Voigtlander 28mm f/2 APO-Lanthar Review


Ah, interesting. I've never noticed that, though the German one always did seem like a bit of a strange web site. Thanks!


Jul 30, 2025 at 06:47 AM
Juha Kannisto
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p.12 #4 · Voigtlander 28mm f/2 APO-Lanthar Review


The German website is by Ringfoto, so it's not as close to the source as Cosina's website.

As I understand it, Ringfoto owns the Voigtländer brand rights and Cosina has contract that allows them to use the branding on their lenses + Ringfoto distributes the lenses on Germany and possibly in some other European countries.



Jul 30, 2025 at 06:50 AM
Fred Miranda
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p.12 #5 · Voigtlander 28mm f/2 APO-Lanthar Review


mgscheu wrote:
I just noticed that Voigtlander's web site doesn't show this lens. Odd. I was also surprised that B&H doesn't have it, or at least list it as coming.


It is definitely unusual that it's not listed at B&H Photo yet. Maybe it will show up later this week.



Jul 30, 2025 at 09:29 AM
mgscheu
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p.12 #6 · Voigtlander 28mm f/2 APO-Lanthar Review


Fred Miranda wrote:
[It is definitely unusual that it's not listed at B&H Photo yet. Maybe it will show up later this week.


Yep, that surprised me. I ordered it from Cameraquest yesterday and it arrived here in Michigan today. I have no idea how he got it here that fast. Now I just need to get some work done so I can try it out.



Jul 30, 2025 at 03:10 PM
photonc
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p.12 #7 · Voigtlander 28mm f/2 APO-Lanthar Review


I picked it up too and adapted it to my z6iii using the Techart AF adapter. Haven't tested it extensively but my initial impressions are very positive. Corners are holding up well on the Z and the AF is fantastic with the adapter, likely due to the small size, it's very snappy. With this setup I view it as an alternative to a Q3.

Edited on Jul 30, 2025 at 06:48 PM · View previous versions



Jul 30, 2025 at 03:19 PM
highdesertmesa
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p.12 #8 · Voigtlander 28mm f/2 APO-Lanthar Review


mgscheu wrote:
Yep, that surprised me. I ordered it from Cameraquest yesterday and it arrived here in Michigan today. I have no idea how he got it here that fast. Now I just need to get some work done so I can try it out.


You're lucky then. My "free overnight shipping" from them always takes three days.



Jul 30, 2025 at 03:42 PM
junglialoh
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p.12 #9 · Voigtlander 28mm f/2 APO-Lanthar Review


It usually takes 1-2 days within continent


Jul 30, 2025 at 03:45 PM
Fred Miranda
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p.12 #10 · Voigtlander 28mm f/2 APO-Lanthar Review




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Chromatic Aberration (CA):

Axial CA

One characteristic that truly sets the Voigtlander 28mm f/2 APO-Lanthar apart from other high-performing 28mm M-mount lenses is its exceptional control of color fringing. While both the Voigtlander 28mm f/2 Ultron II and the Leica 28mm f/2 Summicron perform at a very high level, axial chromatic aberration (color fringing) is still visible in challenging situations. These f/2 lenses are certainly better corrected than faster f/1.4 lenses, but in my tests, nothing comes close to the APO-Lanthar, which more than lives up to its "APO" designation.

In scenes where you would normally expect heavy purple fringing such as high-contrast lighting on water or reflective metal, both in and out of focus, the results from the APO-Lanthar are outstanding. Color errors are so minimal they are hard to spot even at the pixel level. This is truly excellent performance for photographers who value this level of optical precision in their work.

Here is a few samples demonstrating this:






  LEICA M10-R    Voigtlander 28mm f/2 APO-Lanthar lens    28mm    1/4000s    100 ISO    -0.3 EV  






100% magnification crop (pixel level) from image above






100% magnification crop (pixel level) from image above






100% magnification crop (pixel level) from image above






  LEICA M10-R    Voigtlander 28mm f/2 APO-Lanthar lens    28mm    f/2.2    1/4000s    100 ISO    -1.0 EV  






100% magnification crop (pixel level) from image above






100% magnification crop (pixel level) from image above






100% magnification crop (pixel level) from image above






  LEICA M10-R    Voigtlander 28mm f/2 APO-Lanthar lens    28mm    1/4000s    100 ISO    -0.3 EV  






100% magnification crop (pixel level) from image above






100% magnification crop (pixel level) from image above




Jul 30, 2025 at 04:25 PM
 


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Fred Miranda
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p.12 #11 · Voigtlander 28mm f/2 APO-Lanthar Review


Lateral CA

Just like with axial CA, the Voigtlander 28mm f/2 APO-Lanthar shows very strong correction for this type of color error. The Voigtlander 28mm f/2 Ultron II also performs well in this area, but I can find situations where the APO performs a bit better in terms of lateral CA, as shown in the example below comparing the two lenses.

Both lenses offer outstanding lateral CA correction, and while the APO can have the edge, the differences are small and rarely noticeable.




Ultron (LEFT) - APO Lanthar (RIGHT)




Jul 30, 2025 at 04:34 PM
Fred Miranda
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p.12 #12 · Voigtlander 28mm f/2 APO-Lanthar Review




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Optical Vignetting and Specular Highlights shape

When it comes to optical vignetting and the shape of specular highlights, the Voigtlander 28mm f/2 APO-Lanthar performs impressively for a lens with an f/2 maximum aperture. In my testing, the typical cat-eye bokeh shape near the edges of the frame stays relatively rounded compared to other lenses such as the Voigtlander 28mm f/2 Ultron II.

In most shooting situations, the optical vignetting that creates cat-eye bokeh is unlikely to be distracting, unlike the Ultron’s rendering, which tends to show more swirling. Specular highlights generally remain round, especially at close and mid-range distances, though the effect becomes more noticeable as subject distance increases. At longer distances, the out-of-focus corners appear softer than those of the Ultron, which can appear sharper due to its stronger optical vignetting and less neutral field curvature.

Even though the lens features two double aspherical elements, it produces very minimal onion ring patterns in specular highlights, and outlining is also kept to a minimum. Depending on your preference for rendering, this can be seen as either a positive or a neutral characteristic.

Below are examples showing how the cat-eye bokeh shape changes at different distances compared to the Voigtlander 28mm f/2 Ultron II:




Specular highlights stay rounder with the APO-Lanthar at the edges thanks to lower optical vignetting.






At mid and long distances, the out-of-focus areas near the corners appear sharper with the Ultron.






Specular highlights stay rounder with the APO-Lanthar at the edges thanks to lower optical vignetting.






Specular highlights stay rounder with the APO-Lanthar at the edges thanks to lower optical vignetting.




Jul 30, 2025 at 04:53 PM
Fred Miranda
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p.12 #13 · Voigtlander 28mm f/2 APO-Lanthar Review




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Final Thoughts:

The Voigtlander 28mm f/2 APO-Lanthar is the best 28mm lens ever produced for the M-mount.

The Voigtlander 28mm f/2 APO-Lanthar may not have been widely expected, but it arrives as a pleasant surprise, carrying forward the excellence of its 35mm and 50mm APO-Lanthar siblings and delivering another win for Leica shooters.

After extensive testing on a 60MP sensor, I can confidently say this lens excels in every critical area: resolution, contrast, flare resistance, rendering, and CA correction. At infinity and wide open, it is already outstanding across the entire image field and reaches near perfection by f/2.8. There is nothing else ever produced for the M-mount that matches this level of performance, though the Voigtlander 28mm f/2 Ultron II and Leica 28mm f/2 Summicron also perform at a very high level, particularly when stopped down.

Its rendering is neutral and refined, closer to the Voigtlander 50mm f/2 APO-Lanthar than the slightly more structured 35mm f/2 APO-Lanthar, and it produces the most rounded specular highlights off-center. Thanks to the floating element (FLE) mechanism, performance at the minimum focusing distance is outstanding even wide open. Focus transitions are smooth and predictable, field curvature is neutral, and the lens avoids distracting aberrations such as swirling or busy bokeh outlining. Combined with its impressive resolution and excellent micro-contrast, subjects stand out beautifully with bold color and clarity.

There are a couple of minor downsides. Vignetting is noticeable at f/2 and f/2.8, though it is on par with other compact 28mm f/2 lenses and therefore expected. The lens is also slightly longer than the Voigtlander 28mm f/2 Ultron II due to the added elements required for its APO correction, which can cause a bit more frameline blockage when focusing with the rangefinder. Still, Cosina deserves credit for delivering a true APO lens of this caliber in such a compact package.

With its lack of color aberration, exceptional resolution and contrast, and versatile wide-angle field of view, the Voigtlander 28mm f/2 APO-Lanthar is a fantastic all-around option. Whether for landscapes, architecture, or street photography, Leica shooters will find it to be a reliable and inspiring companion.


Pros:

  1. Outstanding resolution wide open, with peak performance at f/2.8 and only slight gains over f/2.
  2. 12-blade aperture design creates round bokeh highlights with a clean inner structure.
  3. Excellent performance at the minimum focus distance (0.5m): the floating group design delivers exceptional image quality from MFD to infinity.
  4. Well corrected for both axial and lateral chromatic aberration -- the best I have seen in any 28mm lens.
  5. Compact and lightweight for a 28mm f/2 APO lens.
  6. Excellent build quality with precise, tight-tolerance construction.
  7. Distortion is very well controlled and essentially negligible.
  8. Virtually no focus shift.
  9. Flat-field design with neutral field curvature.
  10. Produces sharp, well-defined 12-point sunstars as early as f/2.4.
  11. Manual focus is precise with a perfectly damped focusing ring -- Cosina continues to set the standard in this regard compared to other third-party lenses.
  12. Surprisingly low optical vignetting for this class, resulting in rounder bokeh highlights toward the edges.
  13. Excellent resistance to flare.


Cons:

  1. Vignetting is visible at wider apertures.
  2. Partially obstructs the Leica 28mm framelines.
  3. Some may miss the focusing tab found on the 28/2 Ultron.
  4. The included metal petal-style hood is not my favorite, even though it is reversible. A ventilated hood would have been preferable.


_______


Order the Voigtlander 28mm f/2 APO-Lanthar:

Cameraquest | B&H Photo












Jul 30, 2025 at 07:10 PM
1bwana1
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p.12 #14 · Voigtlander 28mm f/2 APO-Lanthar Review


Wonderful and useful review Fred. We are all very grateful for your honest and detailed work in such things. 28mm is the one hole in my M lens collection (and a 50mm Noctilux ), so i will likely pick one of these up when i am back overseas and out of the tariff zone.


Jul 30, 2025 at 07:40 PM
BruceRH
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p.12 #15 · Voigtlander 28mm f/2 APO-Lanthar Review


I was in Germany last week and I paid 19% tax on my dinner, I don't pay anywhere near that in the US. Just sayin...


Jul 30, 2025 at 10:59 PM
fjablo
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p.12 #16 · Voigtlander 28mm f/2 APO-Lanthar Review


BruceRH wrote:
I was in Germany last week and I paid 19% tax on my dinner, I don't pay anywhere near that in the US. Just sayin...


Reminds me how the whole premise of Breaking Bad would make no sense in Germany as Walter‘s cancer treatment would be paid for, as would the college for his kids. Different concepts of society

What does it have to do with the 28mm APO again? Sounds like a topic for a different thread. Different forum actually..



Jul 31, 2025 at 12:33 AM
Ripolini
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p.12 #17 · Voigtlander 28mm f/2 APO-Lanthar Review


Now we need Z- and E-mount versions


Jul 31, 2025 at 01:06 AM
jhonzatko
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p.12 #18 · Voigtlander 28mm f/2 APO-Lanthar Review


Today is my third day using the APO 28, and I'm still amazed at what a great lens it is. My first impressions are very positive. But now comes the hardest part: deciding whether to keep the new APO 28 as a great addition to my existing APO 50, or to keep my current Nokton 28/1.5. Has anyone else faced a similar dilemma? How did you decide?


Jul 31, 2025 at 02:33 AM
gammarART
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p.12 #19 · Voigtlander 28mm f/2 APO-Lanthar Review


What 50 Apo do you use? The Leica or the CV?

Both are optically outstanding, but the CV is more clinically sterile, whereas the Leica offers a warmer look with some charm in the bokeh. Depending on preference, both provide exceptional imaging performance.

Unfortunately, both have a minimum focusing distance of 0.7 meters.



Jul 31, 2025 at 03:15 AM
mzbe
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p.12 #20 · Voigtlander 28mm f/2 APO-Lanthar Review


jhonzatko wrote:
Today is my third day using the APO 28, and I'm still amazed at what a great lens it is. My first impressions are very positive. But now comes the hardest part: deciding whether to keep the new APO 28 as a great addition to my existing APO 50, or to keep my current Nokton 28/1.5. Has anyone else faced a similar dilemma? How did you decide?


I'm in almost the exact same boat—my APO 28 is arriving tomorrow, and I'm already trying to justify keeping it alongside my 28mm Summilux f/1.4.

If the APO lives up to the hype, my plan is to keep both. Here's my thinking, which might apply to your Nokton situation as well:

Different Tools for Different Jobs. I see the APO as the lens for technical precision. For architecture, landscapes, or group shots, having that perfect corner-to-corner performance and flat field is a massive advantage. On the other hand, the Summilux (like your Nokton) has a special character. Its rendering has a way of drawing your eye to the center, which is a strength for things like environmental portraiture. In a way, that character helps "de-clutter" a busy 28mm frame in a way the technically perfect APO won't.

Building Consistent Lens Sets. This might sound a bit obsessive, but I think of my lenses in "families" based on their rendering. This carries forward into my editing, as I can maintain consistency with presets and retouching. It prevents the extra work that happens when an editing style doesn't flatter the character of every lens used. I have an APO set that delivers a clean, modern look, and a Summilux/Noctilux set for classic character. The 28 APO and 28 Lux are perfectly differentiated along those lines. The only 28mm hole left would be in my Zeiss collection, and I'm simply not willing to haul that 28mm Otus beast around!

The Need for Speed. For me, 28mm is a key focal length for capturing the feel of a place, and about a third of the time that means shooting in low light. That extra stop from the Summilux is often the difference between a clean shot and pushing my M11 past ISO 1600. Software noise reduction can only do so much, and it can't give you back the dynamic range or color depth lost to high ISO.

Ultimately, I suspect they serve such different purposes that they can coexist in the same bag—albeit likely not at the same time.

So that's my 'justification'. I’m curious to hear what you decide and why!



Jul 31, 2025 at 03:21 AM
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