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Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)

  
 
DIXI 50
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p.19 #1Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
nehemiahphoto wrote:
This whole thread just makes me appreciate Peace Optics more. I wish we had a better way to purchase their replicas stateside.

I also hope they make an 50/1 Noct replica. Then I could sell my actually 50/1 Noct v2 and bank 3k or so. I really don’t care if it’s a Leica or not if the images are nearly identical. But I have no interest in an “replica”


The build quality of Peace E43 is worse than Mandler, but its RRP is 50% higher.

Now Peace is offering the E49 50/1.2. It has a 1966 Noctilux-like barrel, and improved optics based on the E43 without any aspherical surface, priced only 30% higher than the E43. But still much higher than Mr.Ding 50/1.1.
Nov 10, 2026 at 09:40 PM
endergemini
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p.19 #2Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
DIXI 50 wrote:
The build quality of Peace E43 is worse than Mandler, but its RRP is 50% higher.

Now Peace is offering the E49 50/1.2. It has a 1966 Noctilux-like barrel, and improved optics based on the E43 without any aspherical surface, priced only 30% higher than the E43. But still much higher than Mr.Ding 50/1.1.


I really like the Peace Lens 35/1.4 and the E43 50/1.4 lenses I have. I have one of their 50/1.2s on the way to me soon as well. I don't have the Mandler 50/1.4 to compare but do have the Mandler 35/2 in brass. My Peace Lens Optics lenses don't seem to be worse build quality overall than my Mandler, other than the Peace 50/1.4 is slightly easy to not fully click into the mount as it is a bit of a tight fit. My Peace lenses are also both brass painted green so the finish is impossible to compare, though the 35/1.4 is starting to show brassing around the front from taking the metal cap on and off. Aperture clicks and focusing are pretty comparable, though my Mandler 35/2 is slightly rough but really not too bad, just if I had to nitpick.

nehemiahphoto wrote:
This whole thread just makes me appreciate Peace Optics more. I wish we had a better way to purchase their replicas stateside.

I also hope they make an 50/1 Noct replica. Then I could sell my actually 50/1 Noct v2 and bank 3k or so. I really don’t care if it’s a Leica or not if the images are nearly identical. But I have no interest in an “replica”


I go through a middleman for ordering mine; price is obviously higher than RRP in China but it's been the reliable way for me to get my hands on them if anyone wants the info feel free to DM me and I can send you his contact info.
Nov 11, 2026 at 12:15 AM
philip_pj
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p.19 #3Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
Looking at the picture quality the Walter Mandler 50/1.0 delivers in spades - very different from the other lenses in that class - it would not surprise if that lens was their eventual aim in the project all along. It seems tailor-made for their design improvement approach, with small things that could be remedied while retaining the glorious rendering.

Little wonder the lens stayed on Leica's books for so long. 32 years from 1976 until 2008 is a lot of water under the bridge. AI reports their current retail as 'roughly $5,000 to $6,500+ USD'.

A little less hard vignette, a little stronger centre and a lighter lens body (ideally 450g) would provide another storm in the ranks, while attracting so many more into the fold. It's enjoyable watching reviewers reduced to frantically aiming the M50/1.4 at the sun right now.

And the funny game of 'Leica percentage rankings' they grant the Mandler lens - it's 80%, or is it 90% of the Summilux, gee maybe it's close? People seem to have trouble understanding that you use lenses for what they can do for your work, not for what they do not do, or to engage in some unseemly test metrics competition, of little relevance.
Nov 11, 2026 at 01:09 PM
rodenmg
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p.19 #4Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
philip_pj wrote:
Looking at the picture quality the Walter Mandler 50/1.0 delivers in spades - very different from the other lenses in that class - it would not surprise if that lens was their eventual aim in the project all along. It seems tailor-made for their design improvement approach, with small things that could be remedied while retaining the glorious rendering.

Little wonder the lens stayed on Leica's books for so long. 32 years from 1976 until 2008 is a lot of water under the bridge. AI reports their current retail as 'roughly $5,000 to $6,500+ USD'.

A little less hard vignette, a
...Show more →

I rarely shoot into the sun but when I do my first choice is certainly the Steel Rim.






  LEICA M10-R    Summilux-M 1:1.4/35 lens    35mm    f/3.4    1/1000s    100 ISO    0.0 EV  

Nov 11, 2026 at 01:40 PM
highdesertmesa
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p.19 #5Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
philip_pj wrote:
...It's enjoyable watching reviewers reduced to frantically aiming the M50/1.4 at the sun right now..


Is it? Or are you just being sore again that the Mandler 50 fails when pointed at a light source at wide apertures? Some reviewers simply were shooting at night – where f/1.4 is useful – and a simple streetlight ruined their shot.

Mandler gave me the choice of a refund or replacement today, and I chose replacement – even with knowing about the strong, veiling flare at f/1.4 (despite what they say below, which doesn't align with direct comparisons to the Leica).

From Mandler:

Thank you for your email and follow-up, and thank you for your understanding and cooperation throughout the exchange process.

We understand your request: you would like to confirm the shipping progress of the replacement lens and receive the tracking number.

Regarding the lens you returned, our technical team completed the inspection today. The inspection results show that the lens meets our factory standards. Regarding the veiling flare you reported when shooting directly into a strong light source, the main reasons are as follows:

1. The optical design of this lens is based on the Summilux 50 from the 1950s, and the design at that time had relatively limited optimization for internal reflections;
2. The coating uses the same formula as the iconic coatings of the 1990s, which delivers better color performance but is less resistant to flare than modern green coatings;
3. The internal structure of the adapter may also produce additional reflections.

Therefore, we are currently unable to offer a solution for the veiling flare you reported.

In this situation, would you still like to continue using our lens? If you wish to continue using it, we will replace it with a new 50mm Aluminum/Black lens for you; if you prefer to return it for a refund, we can also process a refund for you.

Thank you for your patience. Once we receive your confirmation, we will handle this for you as soon as possible.
If you have any other questions, please feel free to contact us at any time—we are always happy to help.
Nov 11, 2026 at 03:52 PM
philip_pj
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p.19 #6Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
They are, of course, right to say this:

'1. The optical design of this lens is based on the Summilux 50 from the 1950s, and the design at that time had relatively limited optimization for internal reflections;
2. The coating uses the same formula as the iconic coatings of the 1990s, which delivers better color performance but is less resistant to flare than modern green coatings;'

It's intentional, because Mandler would expect potential users to know and value these behaviours.

As discussed by Matt Osborne in the video below at 6:30 onwards. It's a bit under three minutes, I hope that is not too long. I don't get 'sore' about people not knowing what they are getting into or bothering to do a match between what they want a lens for and what a lens provides. It's just sad. Homework helps here! If you need the sun in the pictures, best to stay clear of what they produce next, most likely.

Another interesting feature these new age reimagined lenses are doing is forcing (well, many) people to look past the standard list of aberration deal-killers, let's call them. It's fascinating to observe how little some people do this critical activity of actually seeing photographs for their intrinsic appeal; and indeed it may be why many lean so heavily on edge case issues like the aberration purity entrance exams. No pass, no buy!

But, we have loads of lenses that satisfy all the usual criteria maximally and many make images that are dismal and flat, to the point most image threads from them are desiccated and soon abandoned. cheers.
..


Nov 11, 2026 at 06:33 PM
philip_pj
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p.19 #7Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
A little more from G/AI, because we see so many shock horror images in this thread that it's best to get the other (informed) side of the story:

'Characteristics of Sun Flare on the Summilux 50mm E46 (Version 3 Pre-ASPH)

Veiling Flare: When pointed toward direct or strong sunlight, the pre-ASPH E46 design is known for producing dramatic veiling flare that can wash out a corner or a large portion of the frame depending on the angle.'

'The Leica 50mm Summilux f/1.4 E43 (Version 2, produced from 1961 to 1991) is known for a vintage, artistic glow wide open and unique flare characteristics when shot into or near the sun.

Wide-open flare and glow: When shot at f/1.4 with the sun just outside the frame, it can produce a characteristic red/warm halo and soft glow, which quickly diminishes when stopped down to f/2.8 or smaller.

Direct sun hits: Shooting directly into the sun introduces circular/ball-shaped ghosting and lower contrast, typical of older single-coated or early multi-coated Walter Mandler optical designs.'

'Dramatic, artistic, glow, unique, ghosting, typical of Mandler.' It's a feature rather than a bug. Do you really think the design team cannot reduce the effect, should they have wished to do so? I'm sorry to have to say these things. I also thought they treated you pretty well.
Nov 11, 2026 at 06:58 PM
highdesertmesa
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p.19 #8Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
philip_pj wrote:
They are, of course, right to say this:

'1. The optical design of this lens is based on the Summilux 50 from the 1950s, and the design at that time had relatively limited optimization for internal reflections;
2. The coating uses the same formula as the iconic coatings of the 1990s, which delivers better color performance but is less resistant to flare than modern green coatings;'

It's intentional, because Mandler would expect potential users to know and value these behaviours.

As discussed by Matt Osborne in the video below at 6:30 onwards. It's a bit under three minutes, I hope that is not
...Show more →

No, only one video so far (by Gaston Shutters) actually compares the Leica 50 f/1.4 v3 pre-ASPH and the Mandler clone wide open with the sun directly in the frame. What it shows is a massive difference in the flare. The Leica is usable, and the Mandler (IMO) is not. And throw away what AI is telling you. It's just spitting back things we're saying here and doing so depending on how you frame the question.

And if you missed it from a previous post I made or don't have to time to watch the video, I'll post screenshots showing the results. This lays it to rest:

https://youtu.be/-r3MCN14Rgs?t=325

You can like or not like the Mandler flare, but it's not even close to the original Leica flare performance in such situations even if it is similar in conditions where the sun isn't directly hitting the front element.





The Leica @ f/1.4 – usable and expected result







The Mandler @ f/1.4 – Eww







Another with the Mandler that ruins what should have been an usable shot

Nov 11, 2026 at 07:54 PM
kuujinbo
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p.19 #9Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
philip_pj wrote:
....knowing what they are getting into or bothering to do a match between what they want a lens for and what a lens provides.

^^^^ this.

As I was following this thread, was also checking reviews on Mandler's web site. One review from a German customer on October 10 included a photo that clearly exhibits the lens is prone to flare when pointed directly into sunglight (image link from Mandler's web site):



Ordered my lens on October 13. (backlight && flare enjoyer)

Never shoot directly into the sun like that, but just for fun wanted to see how "bad" it gets. Shot wide open. First SooC, and second with basic contrast and a LUT. Less than a minute of PP to get something I really like.

I edit RAW in Darktable using only very basic adjustments, so I'm sure most people (who don't hate veiling flare) using paid-for RAW editors can do much better and get images they're satisfied with.

For some people this is a deal breaker. That's OK, to each their own. For me it's a non-issue.











Edited on Nov 14, 2026 at 09:55 AM · View previous versions
Nov 11, 2026 at 08:33 PM
highdesertmesa
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p.19 #10Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
kuujinbo wrote:
philip_pj wrote....knowing what they are getting into or bothering to do a match between what they want a lens for and what a lens provides.
^^^^ this.

As I was following this thread, was also checking reviews on Mandler's web site. One review from a German customer on October 10 included a photo that clearly exhibits the lens is prone to flare when pointed directly into sunglight (image link from Mandler's web site):

https://review-images.judgeme.com/mandler/1791625366__1791625238725-110408__original.jpg

Ordered my lens on October 13. (backlight && flare enjoyer)

Never shoot directly into the sun like that, but just for fun wanted to see how "bad" it gets. Both shots wide open. First SooC, and second with basic contrast and a LUT. Less than a minute of PP to get something I really like.

I
...Show more →

When the sun is partially or fully hidden behind an object as in that first image, I actually like the look of that flare – and that's exactly how I'll be shooting it if trying to use flare artistically.
Nov 11, 2026 at 08:49 PM
 


Search in Used Dept. 

philip_pj
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p.19 #11Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
These are artistic lenses produced for, intended for, artistic usage - including flare incorporation. It's a very big deal these days as savvy operators try to escape the clinical digital look. In cine, we now see entire ranges of cine lenses devoted to the use of flares - Zeiss Supreme Prime Radiance and DZO Arles Lustre being two notable examples.

'Lens flare in artistic cinema has transformed from a technical error to be eliminated into a deliberate aesthetic and narrative tool.'

The irony is not lost here - we have these 1960s-1970s rendering styles being dissed for being what they are, vintage optical designs, while at the same time they are a huge asset in cutting edge modern visual artistry. They require care and know how to use well, obviously, and simply defaming a lens for not handling being pointed at the sun seems a pretty base level critique, given the context and the moves in the broader industry.

The good news is: a vast number of savvy photographers love the look of this style of lens despite the efforts of those not in favour. And they are producing some lovely work with them, it's an exciting time. We will surely see more, soon enough. Another factor is the Chinese optical industry emerged from a love of cinema, and many lens makers got their start in that field. From this background, they have a sophisticated view of the two related fields of stills and cine photography.

That they are shaking up and democratizing the staid world of stills photography in doing so, is a bonus. Bringing Mandler's best out of the closets of the few, into the light of day and more general usage must surely be seen as a significant and welcome event. It also gives the user community a valid choice between contemporary Leica M lenses and a revisitation to the era that made the maker great.




https://sinisazec.com/articles/lens-flare-cinematic-photography-2026/

Nov 11, 2026 at 08:51 PM
DIXI 50
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p.19 #12Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
highdesertmesa wrote:
From Mandler:

Therefore, we are currently unable to offer a solution for the veiling flare you reported.


I saw an amateur design flaw from Mandler.

An interference pattern of concentric rainbow-colored rings is not a normal flare, it is strictly caused by a thin layer or gap between two glass surfaces. The sole reason for this is their 6th element, which was recklessly replaced with ED glass.






By comparison, even DZO with one decade of optical experience, designed their Thypoch Simera 50/1.4 with an ED element placed as the 2nd element cemented on a low-curvature surface, which is much easier to achieve reliably.






The same goes for real optical giants like Sony, the GM 50/1.4 also uses an ED element, but places it as an independent, uncemented 7th element, completely avoiding this kind of interference.




Nov 12, 2026 at 07:01 AM
kuujinbo
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p.19 #13Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
Wide open 15 minutes before sunset - dark, overcast day




Nov 12, 2026 at 06:41 PM
ieei.liu
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p.19 #14Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
Just a quick 10-minute walk to test the second copy of the Mandler 50mm f/1.4. This replacement now locks securely onto my Leica M11, and everything seems to be working as it should.

a few sample shots.















Nov 13, 2026 at 09:25 PM
philip_pj
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p.19 #15Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
What do you think of the images you posted here, ieei.liu?
Nov 14, 2026 at 12:00 AM
ieei.liu
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p.19 #16Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
philip_pj wrote:
What do you think of the images you posted here, ieei.liu?


Hello philip_pj,

I haven't had much time with this lens yet. Most of the shots I've posted were taken during short outings whenever I had some free time, mainly as test shots at either f/1.4 or f/8, with quite a few taken at the minimum focusing distance.

My initial impression is that the build quality is very good. Both the aperture ring and focusing ring feel smooth and well-damped. Aside from the locking issue with my first copy on the M11, which has since been resolved with a replacement, I really don't have much to complain about, especially considering the price.

In terms of image quality, I find it a little soft wide open at f/1.4, but it improves noticeably when stopped down to f/2. As for the bokeh, I personally like it. It has that smooth, gentle rendering you often associate with vintage lenses. How closely it actually resembles the original Leica 50mm Summilux E46 is something I can't really judge, since I don't own one to compare.

Interestingly, 50mm isn't usually my first choice when heading out with just one camera and one lens. But what I really appreciate about this lens is its close-focusing capability. That alone makes it much more versatile and enjoyable for casual, everyday photography.

Regarding the flare that others have been discussing here, I haven't really tested it under challenging lighting conditions. I don't normally shoot directly into strong light sources, and most of my shots so far have been taken during the day. I suspect shooting at night with bright light sources in the frame might reveal more. I'll try to test that when I get a chance.

BTW, I also own the LLL Z21 and ZS6. Both have a vintage character, but their rendering is more distinctive, especially when it comes to bokeh. I enjoy shooting with them, but I find their unique rendering better suited to certain subjects rather than general everyday photography. In comparison, the Mandler 50mm f/1.4 seems to strike a better balance between vintage character and everyday usability. It still has that classic look without being quite as specialized.

I also have to give Mandler credit for their excellent customer service. They responded very quickly to my issue and promptly sent me a replacement. The new copy locks perfectly onto my M11. That kind of support gives me confidence in the brand and makes me more likely to consider their future products.

Overall, I'm quite happy with it so far, especially for the price. It's definitely a lens I'd like to spend more time shooting with.
Nov 14, 2026 at 08:00 PM
RomanMF
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p.19 #17Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
The rendering of the Mandler 50 F/1.4 seems pedestrian, especially in comparison to the 35 F/2. Granted those lenses are going for different things, but I think leaning into that quirkiness would've been the way to go. Basing their whole brand around another man's designs limits their lens choices, but I'm sure there are quirkier lenses they could have chosen for their second product.
Nov 14, 2026 at 08:52 PM
philip_pj
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p.19 #18Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
Thanks very much for the detailed reply, it is much appreciated, as are the images. The build of my copy is better than a near-new Leica 50/2 R (MIG) I have. I am gathering information about users' reactions to this one, as well as researching the background of the master designer.

It's an intriguing situation when a preeminent figure of such a prestigious and influential firm as Leica is so little known, and it is something that cannot simply be put down to his work with the defence establishment. The mystery surrounding Walter is well matched by the Mandler firm's lack of profile.

'Only a small handful—roughly 5 to 10—photographs of Dr. Walter Mandler (1922–2005) are widely accessible online.'

It's surprising how many articles and online visual content about W. Mandler's lenses fail to mention the man or describe his prescient design philosophy. He is far from being celebrated commensurate with his towering contributions.
Nov 14, 2026 at 10:07 PM
RustyRus
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p.19 #19Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
philip_pj wrote:
Thanks very much for the detailed reply, it is much appreciated, as are the images. The build of my copy is better than a near-new Leica 50/2 R (MIG) I have. I am gathering information about users' reactions to this one, as well as researching the background of the master designer.

It's an intriguing situation when a preeminent figure of such a prestigious and influential firm as Leica is so little known, and it is something that cannot simply be put down to his work with the defence establishment. The mystery surrounding Walter is well matched by the Mandler firm's
...Show more →

Phil where are you getting this stuff from? There is even a thread on this very forum about our favorite Mandler lenses-

He is the most revered Leica Lens designer in the history of the company! This company that took his name and created a soso replica is proof to how big his name is!
Nov 15, 2026 at 12:08 AM
highdesertmesa
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p.19 #20Mandler 50mm f/1.4 Summilux pre-asph E46 (V3)
Wasting your breath. Seems lately several people in this forum have been hallucinating like ai and drifting into loquacious ramblings that make my head hurt.
Nov 15, 2026 at 07:06 AM


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