Archived posting to the Leica Users Group, 2007/04/26

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Subject: [Leica] Strange M8 artifact
From: john.nebel at csdco.com (John Nebel)
Date: Thu Apr 26 09:17:15 2007
References: <20070426014406.UGSS1612.tomts36-srv.bellnexxia.net@vickko1> <14DDD565-0CBA-4B00-8B68-D45401F56F3C@comcast.net> <a3f189160704252050h2b4c1babube0a878cf71df2a1@mail.gmail.com> <5D87CCC8-1ABC-4A81-A42D-EED1790ECB19@gmail.com> <a3f189160704252122k22222866h5b67dbb9ebac0ad1@mail.gmail.com> <d0a0cfbe5e10c5d5cfe4b81449f59fea@comcast.net> <a3f189160704260727u2e613fcfg6f41d04267c5819e@mail.gmail.com>

On a calibrated Apple 30" monitor, looking at a downloaded copy with 
differing enlargements, room lights off, I agree with Sonny, the line 
doesn't appear to exist.

John Nebel

Sonny Carter wrote:
> OK, by the light of day,  I took the  large image into Photoshop, and I do
> see the line in the fabric when I  blow the shot up  to   where her elbows
> are at the bottom of my 17 inch monitor, and the pendant is in the top
> quarter.
> 
> Then, I adjust the black and white levels to where they should be for her
> face, and  the line is gone.
> 
> It is a curious  thing to be sure, but  either in Lightroom or  
> Photoshop, I
> adjust the color balance and make the blacks black and white white, I get
> rid of the line.
> 
> I was looking at the exif for the shot, and I note  it was shot at  160 ISO
> and   a 1/125th  of a second.  My best hunch is that the artifact is from
> underexposure.
> 
> 
> Sonny
> 
> 

In reply to: Message from vick.ko at sympatico.ca (Vick Ko) ([Leica] Strange M8 artifact)
Message from tomschofield at comcast.net (Tom Schofield) ([Leica] Strange M8 artifact)
Message from sonc.hegr at gmail.com (Sonny Carter) ([Leica] Strange M8 artifact)
Message from leowesson at gmail.com (leo wesson) ([Leica] Strange M8 artifact)
Message from sonc.hegr at gmail.com (Sonny Carter) ([Leica] Strange M8 artifact)
Message from denik at comcast.net (Dennis Kushner) ([Leica] Strange M8 artifact)
Message from sonc.hegr at gmail.com (Sonny Carter) ([Leica] Strange M8 artifact)