Archived posting to the Leica Users Group, 2014/01/22

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Subject: [Leica] 50mm Summicron v5 on M9?
From: benedenia at gmail.com (Marty Deveney)
Date: Thu, 23 Jan 2014 12:41:55 +1030
References: <BLU0-SMTP731861FFCCEC11451B2C9F8CA70@phx.gbl> <1473578600.983371390440828013.JavaMail.root@dsmdc-mail-mbs12> <CABmfTOWqDbfXnOA+m3WMx-cgx0QgCPyLBxZQwPHs8wO-Vu0CYA@mail.gmail.com>

And if you have managed to obtain a 50 AA Summicron and have had flare
problems:
http://leicarumors.com/2013/09/15/leicas-ceo-confirms-flare-issues-with-the-apo-summicron-50mm-f2-0-asph-lens.aspx/

It is hard to adequately control light inside a metal tube when combined
with a very high contrast optical system.  In this system internal
reflections get very well transferred.

Marty


On Thu, Jan 23, 2014 at 12:38 PM, Marty Deveney <benedenia at gmail.com> 
wrote:

>
> The 50mm Summicrons behave on the M9 largely consistent with their
> behaviour on other cameras - they are great lenses with a few specific
> shortcomings.  The lens has plenty of resolution for the sensor.  The main
> problem with all the six element 50mm Summicron-Ms is flare from light just
> outside the frame.  It occurs irregularly and can be hard to predict,
> because it occurs when there is a light source in a very narrow angular
> range of the field of view.  For a lot of people, it is never a problem
> because they don't favour that sort of light, but I got caught by it all
> the time, probably because of what sort of scene I like to shoot.  There
> are good examples (not mine) here:
> http://photo.net/leica-rangefinders-forum/005wdK and here:
> http://photo.net/leica-rangefinders-forum/0073Im where some ingenious
> fellow built a baffle to prevent the internal reflection that probably
> causes the flare.  These lenses are amazingly flare resistant with light
> sources _in_ the frame.  On any digital Leica M flare is somewhat
> exaggerated in comparison to film because the sensor is so much more
> reflective than film emulsions.
>
> Marty
>
>
>
>
>
>
>
> On Thu, Jan 23, 2014 at 12:03 PM, <grduprey at mchsi.com> wrote:
>
>> Lens cap fall off easily, otherwise a very nice lens.
>>
>> gene
>>
>> ----- Original Message -----
>> From: "Vick Ko" <vick.ko at sympatico.ca>
>> To: "Leica Users Group" <lug at leica-users.org>
>> Sent: Wednesday, January 22, 2014 4:36:52 PM GMT -06:00 US/Canada Central
>> Subject: Re: [Leica] 50mm Summicron v5 on M9?
>>
>> I've never heard anything bad written about the "previous" 50mm f2
>> Summicron (not FLE).
>>
>> Vick
>>
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
>>
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
>>
>
>


Replies: Reply from robertbaron1 at gmail.com (Robert Baron) ([Leica] 50mm Summicron v5 on M9?)
In reply to: Message from vick.ko at sympatico.ca (Vick Ko) ([Leica] 50mm Summicron v5 on M9?)
Message from grduprey at mchsi.com (grduprey at mchsi.com) ([Leica] 50mm Summicron v5 on M9?)
Message from benedenia at gmail.com (Marty Deveney) ([Leica] 50mm Summicron v5 on M9?)