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: pjleeson at mchsi.com (Philip Leeson)
Date: Tue, 7 Sep 2010 18:26:20 -0500
References: <4C86B3A3.2010001@panix.com> <4C86C7C6.4080705@panix.com>

Looks like one to me; I had several on a Nikon D80.
Always on the exact same place.
Shoot a long exposure of the inside of the lens cap, view at 100% and you'll 
see it better (and probably others)
I sent mine in to have them mapped out, I don't miss ~10 pixels out of 
millions.
;-)

Phil


On Sep 7, 2010, at 6:16 PM, Rei Shinozuka wrote:

> 1. I should have noted, the camera in question that produced the images is 
> a Leica M9.
> 2. also, RAW pictures show the same anomaly.
> 3. finally, i can just shoot f16 1/4000 second and the image is all black, 
> but the red pixel appears. to me, that rules out dust or reflections.
> 
> 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
>> 
>> 
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> 
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In reply to: Message from shino at panix.com (Rei Shinozuka) ([Leica] is this a bad pixel? (the bad kind of red dot))
Message from shino at panix.com (Rei Shinozuka) ([Leica] is this a bad pixel? (the bad kind of red dot))