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

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Subject: [Leica] 28mm Summicron vignetting
From: jbcollier at shaw.ca (John Collier)
Date: Mon Jan 15 18:41:47 2007
References: <CA051663-64FA-4857-96A5-B82E5BE868DA@comcast.net>
 
Any filter(s)?

John Collier


On 15-Jan-07, at 5:35 PM, Leonard Taupier wrote:

> 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.
Replies: Reply from len-1 at comcast.net (Leonard Taupier) ([Leica] 28mm Summicron vignetting)
 In reply to: Message from len-1 at comcast.net (Leonard Taupier) ([Leica] 28mm Summicron vignetting)