Archived posting to the Leica Users Group, 2007/01/15

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Subject: [Leica] 28mm Summicron vignetting
From: luisripoll at telefonica.net (Luis Ripoll)
Date: Mon Jan 15 17:07:06 2007
References: <CA051663-64FA-4857-96A5-B82E5BE868DA@comcast.net><00b101c73907$62715fa0$2101a8c0@luispersonal> <08BD0BA8-4501-4FF7-8FB8-A997215FD1C4@comcast.net>

OK, Now I understand,
All the best!
Luis 

-----Mensaje original-----
De: lug-bounces+luisripoll=telefonica.net@leica-users.org
[mailto:lug-bounces+luisripoll=telefonica.net@leica-users.org] En nombre de
Leonard Taupier
Enviado el: martes, 16 de enero de 2007 1:56
Para: Leica Users Group
Asunto: Re: [Leica] 28mm Summicron vignetting

Luis, I did not object to the vignetting but my son did. The Summicron was a
new lens for him and I think he expected perfection.  
These photos are the hardest test. My 24mm asph has more vignetting.

Len


On Jan 15, 2007, at 7:43 PM, Luis Ripoll wrote:

> Len, the pictures are beautiful, yes it is a lttle vigneting but IMO 
> no too much, I have the Elmarit M 21 and it has much more than 
> Summicron.
> When I
> had my R equipment I remember the 21 Super Angulon as more perfect.
>
> Saludos cordiales
> Luis
>
> -----Mensaje original-----
> De: lug-bounces+luisripoll=telefonica.net@leica-users.org
> [mailto:lug-bounces+luisripoll=telefonica.net@leica-users.org] En 
> nombre de Leonard Taupier Enviado el: martes, 16 de enero de 2007 1:36
> Para: Leica Users Group
> Asunto: [Leica] 28mm Summicron vignetting
>
> Here are a few examples of vignetting using the 28mm Summicron.  
> These were
> shot in b&w but the sky was crystal clear blue. These were shot by my 
> son at Zion, Bryce and the Grand canyon.
>
> <http://gallery.leica-users.org/v/LeonardT/28mm/Img138.jpg.html>
>
> <http://gallery.leica-users.org/v/LeonardT/28mm/Img145.jpg.html>
>
> <http://gallery.leica-users.org/v/LeonardT/28mm/Img225.jpg.html>
>
> <http://gallery.leica-users.org/v/LeonardT/28mm/Img136.jpg.html>
>
> I'm not sure of the f stop but I believe they were in the f5.6 to
> f8 range.
> We ran a test in my backyard of the Summicron versus the Elmarit (not 
> asph).
> The Elmarit had a little less vignetting. All the examples were easily 
> fixed in Photoshop using the lens distortion filter.
>
> Len
>
>
>
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>
>
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In reply to: Message from len-1 at comcast.net (Leonard Taupier) ([Leica] 28mm Summicron vignetting)
Message from luisripoll at telefonica.net (Luis Ripoll) ([Leica] 28mm Summicron vignetting)
Message from len-1 at comcast.net (Leonard Taupier) ([Leica] 28mm Summicron vignetting)