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Next PZ lens test report: Leica Summicron-M 50mm f/2


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28 replies to this topic

#1 mst

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Posted 30 July 2013 - 12:02 AM

Leica performance... with a Leica price tag.

http://www.photozone...678-summicron50

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#2 Frank

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Posted 30 July 2013 - 05:42 AM

Never used a Leica lens. It is said that Leica lenses are optimaized to have the best perforemance at the largest aperture---seems not true looking at the MTF chart.



#3 mst

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Posted 30 July 2013 - 07:26 AM

That "legend" exists for many lenses... and usually it is just that, a legend.

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#4 felix

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Posted 30 July 2013 - 09:16 AM

Nice to see the first Leica test and quite impressive results, too. I guess Leica's reputation is (at least partly) justifiable after all...  ;)



#5 mst

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Posted 30 July 2013 - 09:25 AM

Partly, yes. Less convincing lenses coming soon ;)

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#6 Rover

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Posted 30 July 2013 - 09:38 AM

Great to see something totally out of left field. One suggestion though: can you remove the Price/Performance position from the Leica tests as utterly irrelevant? :)



#7 mst

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Posted 30 July 2013 - 09:56 AM

Well, the P/P rating will be more relevant (and receive higher ratings) once we get to 3rd party lenses ;)

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#8 dave's clichés

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Posted 30 July 2013 - 10:07 AM

Nice lens, it seems it's only real fault is the RSAs which changes the focus point quite significantly, enough to slightly miss-focus at F5.6 maybe?



#9 Rover

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Posted 30 July 2013 - 10:51 AM

Well, the P/P rating will be more relevant (and receive higher ratings) once we get to 3rd party lenses ;)

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Ah, the Leica world, where Zeiss is the Sigma. :)



#10 Klaus

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Posted 30 July 2013 - 11:03 AM

Hey, there's also Voigtlander!


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#11 JoJu

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Posted 30 July 2013 - 11:17 AM

... and Sigma beating Zeiss' 35/1.4 :D

weird world....

#12 mst

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Posted 30 July 2013 - 11:28 AM

Hey, there's also Voigtlander!

Well, there's Zeiss, Voigtlnder, Konica, Minolta, SLR Magic...

And some interesting russian lenses, too. I'll probably have some fun with a Jupiter 8 lens, soon. Not stellar, I'm sure, but available dirt cheap...

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#13 you2

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Posted 30 July 2013 - 12:56 PM

I'm very surprise by the scoring. If I remember correctly the zeiss 35f2 was heavily penalized for wide-open vignetting. Here we have a conservative 50f2 with nearly 3 stops of vignetting @ f2 along with several other flaws. Basically about the only thing that seems 'great' about this lens is that it has good corner resolution but lets compare it to the olympus OM (not 4/3) 50f2 which is likely a better lens in most aspect 'cept size.



#14 mst

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Posted 30 July 2013 - 01:58 PM

Several other flaws?

Yes, vignetting is a weak point, no doubt, but that's partly an issue of the whole system (at least the digital part of it), as you will soon see.

Apart from that, the only thing to complain about IMO is the somewhat nervous bokeh wide open.

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#15 goran h

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Posted 30 July 2013 - 03:14 PM

Is there any kind of weather sealing on this generation of Leica lenses?

 

Gran



#16 mst

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Posted 30 July 2013 - 03:20 PM

No.

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#17 Rover

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Posted 30 July 2013 - 03:56 PM

Hey, there's also Voigtlander!

That'd be the local Tamron. :)



#18 mst

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Posted 30 July 2013 - 04:07 PM

That'd be the local Tamron. :)

Indeed. In both cases their latest products are very interesting... and surprisingly expensive ;)

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#19 Rover

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Posted 30 July 2013 - 08:01 PM

Speaking of Voigtlander - all this talk has piqued my curiosity, and I've found an interesting resource on CV lenses for Leica mount - http://www.cameraque...om/voigtlen.htm

Looks like a huge trove of lenses to me! Wonder how you're going to test them all. :)



#20 mst

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Posted 30 July 2013 - 09:29 PM

Yep, quite a resource, isn't it? :)

I will not be able to test all of them, of course. Many are already discontinued, some difficult to get. And some of them are no fun on a digital M (like the very compact wide-angles).

FWIW, here's what's currently in my queue:

35/1.2 (first version, not the current one)
35/1.4 MC
50/1.5 Aspherical (discontinued version, not the new one)
50/2 Nickel
50/3.5 Nickel
75/1.8
75/2.5
90/3.5 APO

And these are on my wish list:

28/2
35/1.2 II
50/1.1 Nokton
50/1.5 Nokton (the new one)

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