Archived posting to the Leica Users Group, 2003/08/20

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Subject: Re: [Leica] Fw: LC5 noise at 400 iso
From: Johnny Deadman <lists@johnbrownlow.com>
Date: Wed, 20 Aug 2003 16:10:25 -0400

That's pretty interesting. It may not be a shielding issue but could 
have to do with reduced voltage to the sensor when the LCD is taking 
power.

On Wednesday, August 20, 2003, at 03:51 PM, Sonny Carter wrote:

>
>
>
>  Peter Klein and I have been chatting offlist about an on topic issue,
> (horrors!)  noise in the Lika Leica and Digilux at 400 iso.
>
>  Peter said:  There was one other angle to the high ISO noise that I 
> didn't
>  post on the  LUG because I only heard about it from one person.  He 
> said
>  that the LCD display created bad noise in the image, and he got much 
> better
>  pictures  with the LCD off.  IF true, that could be a result of bad
>  shielding design, or a QC problem with his particular camera.
>
>  (Back to Sonny) So I set up my camera and took a couple shots of the 
> same
> location at ISO 400 with the LCD and without.  The file is quite a bit
> better as regards noise with the LCD turned off.  I can see that some
> software cleaning might make it better still.
>
> Here's a section of the image, but it still is quite sizable,
>  http://www.sonc.com/lcd_check.jpg
>
>  so if you dialup use this link
>  http://www.sonc.com/lcd_check_sm.jpg
>  Regards,
>
>  SonC
>  http://www.sonc.com
>
>
>
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>
>
- --
John Brownlow

http://www.pinkheadedbug.com
http://www.unintended-consequences.com

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