Archived posting to the Leica Users Group, 2010/09/07

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Subject: [Leica] is this a bad pixel? (the bad kind of red dot)
From: mark at rabinergroup.com (Mark Rabiner)
Date: Wed, 08 Sep 2010 00:29:28 -0400

There are bad pixels. Only bad pixel parents.

--------------------
Mark William Rabiner
Photography
mark at rabinergroup.com


> From: Rei Shinozuka <shino at panix.com>
> Reply-To: Leica Users Group <lug at leica-users.org>
> Date: Tue, 07 Sep 2010 22:16:44 -0400
> To: Leica Users Group <lug at leica-users.org>
> Subject: Re: [Leica] is this a bad pixel?  (the bad kind of red dot)
> 
>   Is a bad pixel covered by the warranty in a new camera?  I'm new to
> high-end digital cameras.
> 
> Using gross underexposure, the pixel is just visible even at screen
> resolutions:
> 
> Annotated dark image 1/4000 @ f16 highlighting red dot
> 
> http://gallery.leica-users.org/v/shino/techie/xhot-pixel.jpg.html
> 
> Original dark image 1/4000 @ f16
> 
> http://gallery.leica-users.org/v/shino/techie/L1034078.JPG.html
> 
> thanks,
> 
> -rei
> 
> On 09/07/2010 05:50 PM, Rei Shinozuka wrote:
>>  is this a bad pixel?
>> 
>> http://gallery.leica-users.org/v/shino/techie/L1033797.JPG.html
>> 
>> blow up to 100%, there's a red dot between the kitten's chin and the
>> pile of clothing at the bottom side of the window sill.
>> 
>> i previously posted this picture of my daughter:
>> 
>> http://gallery.leica-users.org/v/shino/portraits/L1033662.JPG.html
>> 
>> to the left of my daughter kitty, there's an acorn on top of the wall
>> she's sitting on.  on the top row of "bricks" almost directly
>> underneath the acorn, 4-5 inches under the top of the wall, there's
>> the same red dot.
>> 
>> it appears in other photos in the same spot.  i think it only appeared
>> in the past week or so, but i've missed it until today.
>> 
>> is this a bad pixel?
>> 
>> thanks
>> 
>> -rei
>> 
>> 
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
> 
> _______________________________________________
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> See http://leica-users.org/mailman/listinfo/lug for more information




Replies: Reply from mak at teleport.com (Mark Kronquist) ([Leica] TXP rocks)
In reply to: Message from shino at panix.com (Rei Shinozuka) ([Leica] is this a bad pixel? (the bad kind of red dot))