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Old 02-18-2019   #81
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Each person here may have a different "situation" when it comes to adding another 35mm lens to the ownership. I bought lenses but then hardly ever sold any lenses, so in the end I have lenses that used to be quite popular years ago. I have the Summicron V1 35/2, which is a wonderful lens overall, plus I have Canon 35mm 1.5; 1.8; 2.0, 2.8. If we call these lenses "kinda old", I added a more modern Biogon 35/2. The main advantage to now adding CV 35/3 (if I do it) would be the smaller size as compared with the Biogon. I have done many lens comparisons over the years, and I know what works for me and what does not.

It is really great that CV is bringing out such great lenses year after year.
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Old 02-18-2019   #82
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Quote:
Originally Posted by raid View Post
...
It is really great that CV is bringing out such great lenses year after year.
Yes, VERY impressive! Tom A. would be very happy to have seen it ...
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Old 02-18-2019   #83
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I have a roll of Natura 1600 waiting to be scanned, Alkis. Meant to do it over the weekend but got sidetracked with other stuff. Will post some pics from that roll soon!
Thanks Jon, Definitely looking forward to seeing a few frames on colour film. Natura 1600 too, what a treat!
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Old 02-18-2019   #84
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Originally Posted by lynnb View Post
I'd be interested to see how the new CV Ultron 35/2 compares to the M-Rokkor 35/2 and Summicron-C 35/2. Not a huge difference in focal length, and the 40mm lenses are also very compact, like the Ultron. Anyone?
Edit: something to discuss in another thread...
You mean M-Rokkor and Summicron-C 40/2 i guess. It a nutshell it is one modern vs two classic lenses. The CV 35/2 is sharp at all apertures with similar macro and micro contrast as current Leica asph lenses whereas both 40/2s are less "clinical" with less contrast and softer results at f/2. As far as size is concerned, the CV 35/2 is similar to the Summicron 35/2 v4 more or less i.e. a bit larger than both 40/2s but smaller than the Summicron 35/2 asph.
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Old 02-19-2019   #85
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@raid your would you say it compares to the Biogon 35? I am deciding between the two (and the C-Biogon). Your insight is greatly appreciated.


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Old 02-19-2019   #86
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Leica M4 + 35mm Ultron 2.0 ASPH by Peter_Christoph_Ross, on Flickr

Will test it today!
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Old 02-20-2019   #87
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Quote:
Originally Posted by Benjamin Marks View Post
Anyway, what I am interested in is whether the new (and exciting) f:2 offering is more like the 1.2 in rendering at f:2 or whether it is busier in the background. Happy to take an answer off-line if you think your impression is going to stoke the passions unhelpfully. . ..
Hi Ben, no need to take it offline in this regard as the Summicron probably has the edge over the Ultron when it comes to smooth backgrounds. Not sure how it would compare with the Nokton 35/1.2 though. That's a hard lens to beat. The Ultron is smooth with a touch of "classic" busy, although not near as busy as the W-Nikkor 35/1.8. I quite like the mix that the Cosina optics engineers came up with!
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Old 02-20-2019   #88
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Quote:
Originally Posted by telenous View Post
Thanks Jon, Definitely looking forward to seeing a few frames on colour film. Natura 1600 too, what a treat!
Just posted some pics in this thread, Alkis!
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Old 02-20-2019   #89
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Thanks, Jon! Good stuff.
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Old 03-14-2019   #90
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I just received my Ultron 35/2 and tested it against Summicron V2 and Summilux pre-Asph v2.

My copy suffered from a focus shift at any apertures so I can't give any "bokeh" pictures.

I prefer the Summicron for everyday shooting because of performance and kind of elegance in the pictures and Summilux for unique portraits but I found the Ultron was the best of the three lenses for very low light situations because of the good resolution and high macro contrast.
When I take a picture at 1/30s, shapes are important to me. Micro contrast, not so.. (By the way I don't see the Summilux pre-Asph v2 as a great low light performer because of its low contrast)
For a landscape I could take the Ultron too because of the resolution in the corners that the summicron v2 doesn't have but on the biggest part of the picture it is close to the Summicron and even on a tripod, my Leica M9's sensor isn't resolving enough to show much resolution differences between the two lenses.
The Ultron has this kind of impression of sharpness that makes me want to zoom-in always more when I watch the pictures on my computer. But when I zoom at 100-150% I can't tell the Ultron is "sharper" than the Summicron. It is a different sharpness.

Anyway, nice lens and same size as the summicron ans summilux so very compact.
My version is still in new condition so the focus ring is still a bit stiff but the little metal focusing "stick" helps for precise focusing.
Also the Ultron produces some purple fringing I've never had to correct with the Summicron and Summilux.


About colors and overall rendering I don't have the Biogon 2.8 anymore but I would say the Ultron is closer to this more modern one than to an "old" Leica.

My strictly scientific analysis tells that the Biogon and Ultron give more impressing pictures and Leica lenses give more elegant ones. (my impression and I'm not a "Leica addict"..! Always very, very happy to use my wonderful Heliar 50/3.5 by sunny days over a Summicron 50 V4)
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Old 03-14-2019   #91
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Quote:
Originally Posted by nutmeg View Post
My copy suffered from a focus shift at any apertures so I can't give any "bokeh" pictures.
Ermmmm... that's not how focus shift works. Do you mean your lens just doesn't focus properly on your camera?
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Old 03-14-2019   #92
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Actually I see this as:
One camera, 7 lenses. 6 never miss the focusing point, one does every time.

My ultron always focuses a bit back of the point I'm focusing. It may be 4cm at 0,7m or more at longer distance. First time I'm noticing this on a lens.
With en EVF I wouldn't mind but with range finder, it's not sooo optimal.

Anyway I've tried to take as much pictures as I could on tripod from f2 to f16 in order to see if it worths sending the lens to Voigtländer back and eventually sell the other lenses afterwards.
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Old 03-14-2019   #93
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Quote:
Originally Posted by nutmeg View Post
Actually I see this as:
One camera, 7 lenses. 6 are never missing the focusing point, one does every time.
That's misfocusing, not focus shift. Something isn't right. You need to send your lens back for adjustment or return it for a new copy.
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Old 03-14-2019   #94
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Ok thanks! Sorry I was a bit confused with the term "focus shift".

Anyway, nice lens, compact, sharp, fast and not so expensive. Not my favorite for personal reasons but I think it will have a great success and many people will love it.
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Old 03-20-2019   #95
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Quote:
Originally Posted by jonmanjiro View Post
That's misfocusing, not focus shift. Something isn't right. You need to send your lens back for adjustment or return it for a new copy.

The lens is going back and I am waiting for new one.
Before sending it back I took some other "landscape" pictures at f8-f11 and the sharpness was very pleasing.
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Old 03-23-2019   #96
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Have been playing around with my set for about a week now and i must say for the value, its worth it. But I'm alittle annoyed with the fact of the focusing ring where there is some resistance on it not sure if anyone suffers from this too.


When you're above 1.5M going back down to 0.7m range, the resistance is there. Anyone have the same issue or is it unique to me?
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Old 03-23-2019   #97
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Originally Posted by juristium View Post
But I'm a little annoyed with the fact of the focusing ring where there is some resistance on it not sure if anyone suffers from this too.


When you're above 1.5M going back down to 0.7m range, the resistance is there. Anyone have the same issue or is it unique to me?
No such resistance with my copy...

I suggest using the lens for a while and see if it smooths out with use. Or just send it back for a relube under warranty.
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Old 03-23-2019   #98
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Originally Posted by jonmanjiro View Post
No such resistance with my copy...

I suggest using the lens for a while and see if it smooths out with use. Or just send it back for a relube under warranty.
Thanks for your feedback.
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Old 03-23-2019   #99
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two guys with extremely low post count report issues... sounds like a leica marketing department decided to kill the competition....
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Old 03-23-2019   #100
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Really? It's not out of the ordinary. Someone bought a new lens, it arrived with some kind of glitch, and they post in the one forum where others also use the lens to compare notes.

Problems happen sometimes with new lenses. That goes for Leica ones too. You should see the Leica dedicated forum.
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Old 03-23-2019   #101
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Originally Posted by telenous View Post
Really? It's not out of the ordinary. Someone bought a new lens, it arrived with some kind of glitch, and they post in the one forum where others also use the lens to compare notes.

Problems happen sometimes with new lenses. That goes for Leica ones too. You should see the Leica dedicated forum.
yes people start a thread and not invade a thread dedicated to comparison with other lens... im sure its not coincidence-i know to recognize crisis management when i see it...
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Old 03-24-2019   #102
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You may start a thread or post in an existing one, even if slightly OT. Happens all the time. Not a big deal.
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Old 03-24-2019   #103
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Quote:
Originally Posted by nzeeman View Post
two guys with extremely low post count report issues... sounds like a leica marketing department decided to kill the competition....

Leica undercover spy..? :-)
Actually I'm struggling for finding one 35mm for everything. Leica lens have their reputation so I've been digging older (affordable) ones.

Here are some modest pictures I made with the Ultron, Summicron v2 and Summilux pre-asph V2.
As I told above there was a slight misfocusing issue so I kept in the f8-f16 area.
Focused with the range finder on tripod at f11 (close distance but misfocusing shouldn't be sooo dramatic)
All from raw with same White balance value in Photoshop for export. No further treatment.

Summicron:

Ultron:

Summilux:


Summicron and Ultron at same focusing distance. The Ultron seems to have a slightly narrower angle.

Summilux at about 15cm further (1m min focusing distance )

To my eyes the Summilux is so soft that he can't be compared to the other ones for "all-rounder" lens.
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Old 03-24-2019   #104
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Hand held at F8, 1/500s, focused on infinity.


Summicron:
which is better fallout 3 or new vegas

Ultron:



Here, I find the Ultron much sharper than the Summicron.
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Old 03-24-2019   #105
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At f8 on tripod:

Summicron:


Ultron:


"sharpness" may not be the ultimate advantage for a lens but once again, the ultron is sharper.
It's f8 but you may notice some purple fringing on the ultron (on the cars for exemple)
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Old 03-24-2019   #106
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Now I'm waiting to see how the Ultron performs on portraits for example. I'm not a very talented photographer so it important to me that the lens helps a bit by adding some "wow effect".
The Summilux is unbeatable on this points but difficult to use in 2019's everyday life.
The older Summicron has been a good compromise with good sharpness when needed and some character when needed. The ergonomics and lens cap are superior to the Ultron IMO. So, I'm excited to see how the Ultron performs in the wide open area and at the end wich lens I'm going to take for MY next travel.
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Old 03-24-2019   #107
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Sorry for the boring shots but I like to take pictures at home! It's the place I know the best so I see how faithful pictures are to my vision of the reality..!

on tripod, F2, focused on the middle of the frame (you can also see the Ultron's misfocusing)

Summicron:

Summilux:

Ultron:
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Old 03-24-2019   #108
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on tripod, F8, focused on the middle of the frame (you can still see the Ultron's misfocusing)

Summicron:


Summilux:

Ultron:
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Old 03-24-2019   #109
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Quote:
Originally Posted by nutmeg View Post
on tripod, F2, focused on the middle of the frame (you can also see the Ultron's misfocusing)
I see very little difference between the lenses. Looks like the Ultron image was taken at a different angle too.

> focused on the middle of the frame

Can you be more specific?
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Old 03-24-2019   #110
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Once again, the Ultron is more faithful to what I see.
On these pictures, the Summicron is slightly softer and Summilux even softer but I prefer the more "dreamy" out of focus area with these ones.
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Old 03-24-2019   #111
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Quote:
Originally Posted by jonmanjiro View Post
I see very little difference between the lenses. Looks like the Ultron image was taken at a different angle too.

> focused on the middle of the frame

Can you be more specific?
this point:


Actually I put the camera in a heavy vice so it may have moved of a few millimeters by changing the lenses but it's not very critical.
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Old 03-24-2019   #112
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Quote:
Originally Posted by jonmanjiro View Post
I see very little difference between the lenses. Looks like the Ultron image was taken at a different angle too.

> focused on the middle of the frame

Can you be more specific?
Yes, you're right, it's a bit different and not only a few millimeters! It seems to be more like 5-10cm.
Anyway, the difference is not that big given the distance and the focus point with range finder was definitely the same.

Putting the misfocusing issue aside, I guess it can give an idea of the lense's personality, how they behave.
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Old 03-24-2019   #113
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now the lens is back to the seller and I should receive a new one this week so I have to wait a few days before testing it again more "seriously".
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Old 03-24-2019   #114
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Different framing with the Ultron aside (center point is off and its tilted - look at the wall on the right edge of the frame), from the results you posted I'd say your Summicron is front focusing.
Hopefully you's satisfied with your second Ultron copy.



The actual image centers are these:
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Old 03-24-2019   #115
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@nutmeg: I am interested in this lens and so have been looking at the initial pictures you and jonmanjiro and others have posted with gratitude. One thing though.

At f:8 most 35mm lenses produce similar -- almost indistinguishable -- results. What I mean by that is that coverage issues, mechanical vignetting, focus problems, chromatic and other aberrations that may be inherent to the lens design, and decentering, which might pertain to your specific example of a lens, are all improved considerably by stopping down a lens that much. So showing a set of photos at f:8 is not likely to demonstrate anything to distinguish one lens from another, except degree of linear distortion and color cast.

At the risk of sounding greedy, I'd ask for some more snaps wide open or one stop down.

Many thanks for your posting.

[Edit: Ah, I see now that you have done. Many thanks.]
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Old 03-24-2019   #116
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On these last shost on the balcony at the extreme right I see the most distortion (barrel), quite a lot actually, on the shot with the Ultron.

There also is a lot of difference in color, but that aspect is unimportant for me.

Erik.
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Old 03-24-2019   #117
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Sorry for the lazyness of my pictures posted above.

Anyway, I guess shots taken at f8 and focused on infinity are something one may work with.
If you‘re looking for contrast or sharpness over the frame it may be not „enough“ for some but may give an idea to others. And even if the differences become smaller, there are still some.. Just look at the Summilux!

F2 was difficult to shot witout EVF because of the focusing problem but I‘ll try as soon as I‘ll receive the lens.

I have the same shot from the roof tops taken from my balcony at f2..f16/infinity focus I could post. But here again, the summilux at F2 for example is a killer for portraits and useless for landscapes (unlike you want to give a kind of effect, but how often would you use this?)

Actually I believe in the Ultron‘s strenght, otherwise I would have asked for my money back and not a new copy ��

Let‘s how it performs after say, 6 months of use, in many situations.
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Old 03-24-2019   #118
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F2, infinity

Summicron v2:


Ultron:

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Old 03-24-2019   #119
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F4

Summicron V2:



Ultron:

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Old 03-24-2019   #120
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at f2 and f4 the center is sharper with the Summicron but edges and corners are more blurry. And even very blurry at f2.
Putple fringing is important at f2 with the Ultron but not so at f4.
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