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Voigtlander Lenses and Images Post threads showing images from Cosina Voigtlander Leica mount lenses here.

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Old 06-02-2015   #81
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I just realised that this thread was more of a general thread with nice pics taken with the lens, rather than boring test pictures, like above.. I'm sorry about that.
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Old 06-02-2015   #82
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I have no experience with the Ultron's focus shift, but with the Nokton 35/1.4 one.
I think that the wider depth of field of a 28mm will cover any focus shift, especially on film.

I could see the focus shift of my Nokton in a controlled test (camera fixed, focused exactly at 0,7m and 1m, focused once and then just stopped down from shot to shot). Even then on film it wasn't a big deal... if believe at distances longer then 1-1,5m it would simply not show at all.

In real life use I still have to spot it, and I shoot a lot at 2.8 & 4.0 at distances from 0,7m to 1,5m, so exactly at the critical range

As long as you don't shoot a lot on a tripod at the closest focusing distance, I don't think you'll notice any shift.
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Old 06-02-2015   #83
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Quote:
Originally Posted by ecksbocks View Post
I got the Ultron 2.0 a couple of days ago and wanted to check if it had the focus shift issue. I only care for the performance with film.

These shots are shot at f 2.8, 4 and 5.6. This is 400 film. Should the problem be obvious in these conditions, or does the film mask it?
Nice "test" photos.

The lens is a great performer, also on digital (see my test here: http://www.rangefinderforum.com/foru...d.php?t=146790). The shift is only noticeable when you measure resolution against a flat wall or shoot a shift test target - in practice it's not an issue, as your photos demonstrate nicely.

BTW, people test for shift but forget about the cosine error, which in practice can have at least the same impact (http://www.rangefinderforum.com/foru...d.php?t=148485).

Bottom line: the lens is great, enjoy it !

Roland.
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Old 06-02-2015   #84
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I love this lens! It's great to have a fast wide again on my M8. Didn't realize how much I was missing it until I had something wider than the 35mm. Makes a nice complement to my 50mm. Quite often I've found I'm leaving the 90 and 35 at home, just going out with the 50 and 28.
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Old 06-05-2015   #85
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Quote:
Originally Posted by ferider View Post
Nice "test" photos.

The lens is a great performer, also on digital (see my test here: http://www.rangefinderforum.com/foru...d.php?t=146790). The shift is only noticeable when you measure resolution against a flat wall or shoot a shift test target - in practice it's not an issue, as your photos demonstrate nicely.

BTW, people test for shift but forget about the cosine error, which in practice can have at least the same impact (http://www.rangefinderforum.com/foru...d.php?t=148485).

Bottom line: the lens is great, enjoy it !

Roland.
Thanks! Also, good points. I do love you're work (checked your website!)

Some more with Ultron 28. I really like this lens!





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Old 06-24-2015   #86
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Zeiss Ikon Zi - Tri-x - D76 1:1, 10 min - CV 28/2,0 Ultron
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Old 06-24-2015   #87
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Nice to see sharp photos with this lens - my copy with serious (focus on 3m, sharp at 5m) back-focus issues is on its way to Japan for adjustment now...
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Old 06-24-2015   #88
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I liked this lens on the Ricoh GXR, found it ok on the Leica M9, but couldn't bond with it on the M-P.

I have the Color Skopar 28/3.5 as well and I like it more, although in color it has issues on the M-P that only CornerFix can solve.

I decided to keep the Color Skopar, sell the Ultron, and bought a Leica Elmar-M 24/3.8 ASPH. The CS will be used on my film bodies and the MM246 when it gets here, the Elmar is wonderful on the M-P.

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Old 06-24-2015   #89
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Helenhill, thank you!
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Old 06-24-2015   #90
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Quote:
Originally Posted by ecksbocks View Post
Zeiss Ikon Zi - Tri-x - D76 1:1, 10 min - CV 28/2,0 Ultron
Lovely photo!

G
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Old 06-24-2015   #91
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Thanks Godfrey!
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Old 07-26-2015   #92
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Cipe, that's really nice!

Zeiss Ikon, the 28/2 and Tri-x.
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Old 07-26-2015   #93
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I've owned the 2/28 for a few years now and only have good things to say about it. It is very sharp at all stops and quite flare resistant. The tonality is superb and reminds me a lot of Leica glass of the Dr Mandler era.

Previously I owned the 1.9/28 and feel that the f2 Ultron is the better lens. It is more flare resistant and has better tonality. It is shorter in length, so it doesn't intrude on the frame lines. This was a real pet peeve of mine with the f1.9 model. Build quality is superb.

Focus shift has never been an issue for me and I have shot the 2/28 of both film M bodies and the M240.

Overall I think the Ultron 2/28 is one of the biggest bargains around. You really do need to step up to the Summicron 28 to find something comparable in the f2 category. And considering the cost of the Cron, that's pretty amazing.
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Old 08-02-2015   #94
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first day out (wide open i think)
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Old 08-05-2015   #95
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Together with the 2.5/75 my fav lens for my M8.
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Old 02-25-2016   #96
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Just arrived a day or two ago, and I've not really had a chance to suss it out aside from some basic exposures to see if anything was amiss. But so far, I really like how this performs on my XPro 1. No distortion, negligible vignette, handles great. Looking forward to shooting more with it - I just wish it was a 24mm. :/


28mm lens test by Liam Strain, on Flickr
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Old 02-25-2016   #97
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All on Double-X, exposed as 400EI.

201602-04-M7-XX-28ULTRON-26 copy by Gabor Samjeske, on Flickr

201602-06-M7-XX-400-28ULTRON-35ELMAR-21 copy by Gabor Samjeske, on Flickr
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Old 02-25-2016   #98
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Love the first one Gabor.
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Old 02-25-2016   #99
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Love the first one Gabor.
Thank you!
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Old 02-25-2016   #100
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some really nice pictures on this thread and +1 on that shot Gabor, made me say wow right away!

making me wish i never sold my Ultron
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Old 02-25-2016   #101
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some really nice pictures on this thread and +1 on that shot Gabor, made me say wow right away!

making me wish i never sold my Ultron
Thank you!

The Ultron 28/2.0 is my fourth attempt to get along with the 28mm focal length....
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Old 02-26-2016   #102
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Thank you, Helen!

I used to have that Biogon lens (ZM 25/2.8) as my fourth RF lens ever almost exactly 9 years ago. Wonderful lens, I used it with my R-D1s but sold it after getting my M6 because at that time I found it to wide.

Bought a 25/4 Snapshot-Skopar last year and have a Flektogon 25/4 for Exakta also, so will sell the Snapshot Skopar and keep the 28/2.0 Ultron.

0.5m of the ZM 25/2.8 is a huge advantage !

[quote=helenhill;2588208]
Quote:
Originally Posted by maddoc View Post
All on Double-X, exposed as 400EI.


201602-04-M7-XX-28ULTRON-26 copy by Gabor Samjeske, on Flickr

Just LOVE this Gabor...sooooo Good, Beautiful in Light, Speed, Texture and OOF !

It's a Wonderful lens the 2.0 Ultron

I too am trying another Wide but have given up on 28's
Trying the 25 Biogon for two reasons...
kick ass sharp and the 0.5 close focus
We will see what Happens

Enjoy that Ultron, You are off to a Great Start !
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Old 02-26-2016   #103
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I also really like this lens. It's my "standard" on my M8.

When I had the chance to buy an Elmarit-M 2.8/28 for a good price, I did let it go, because I like the Ultron better.
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Old 02-26-2016   #104
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I was just about to buy that lens, but now that I see the falloff in the corners, I have second thoughts.
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Old 02-26-2016   #105
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Find me a non-retrofocus 28mm that doesn't have falloff in the corners, especially with digital bodies. *shrug*
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Old 02-26-2016   #106
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EPSN5545 by kuvvy, on Flickr
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Old 02-26-2016   #107
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EPSN5455 by kuvvy, on Flickr
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Old 02-26-2016   #108
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EPSN4979_web by kuvvy, on Flickr
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Old 03-01-2016   #109
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M7, Double-X (400EI)

201602-03-M7-XX-28ULTRON-09 copy by Gabor Samjeske, on Flickr
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Old 03-06-2016   #110
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The more I use this lens, the more I like it. I think it'll do as a primary for now.


Walking. Smoking. by Liam Strain, on Flickr


Thompson Center Atrium by Liam Strain, on Flickr
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Old 03-06-2016   #111
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Anybody have any color shots?
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Old 03-06-2016   #112
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Quote:
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Love it... Crisp & Sharp !
Thanks, Helen!

Quote:
Originally Posted by nightfly View Post
Anybody have any color shots?

L1001113
by pechelman, on Flickr

also have a couple more i think in the album that photo is in
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Old 03-06-2016   #113
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shooting under the influence ..... (M7, XX @800EI, R09 1:50)

201603-01-M7-XX-800-28ULTRON-15 copy by Gabor Samjeske, on Flickr
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Old 04-18-2016   #114
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A few from a recent CNY trip to Kuala Lumpur.

M2, 28mm Ultron and Tmax400


Kuala Lumpur, Malaysia by Nick Clark, on Flickr


Kuala Lumpur, Malaysia by Nick Clark, on Flickr


Kuala Lumpur, Malaysia by Nick Clark, on Flickr


Kuala Lumpur, Malaysia by Nick Clark, on Flickr
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