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[OM] Re: Fwd: Is lower ISO always lower noise?--perhaps not

Subject: [OM] Re: Fwd: Is lower ISO always lower noise?--perhaps not
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Thu, 03 Jan 2008 19:42:29 -0500
But for all the chatter there it doesn't seem as though anyone else has 
tried to empirically verify the claim.  I guess I'm not worried about it 
  though.  I don't think I've ever (deliberately at least) taken a shot 
at some intermediate ISO level.  I change ISO in full stop incremements 
and do any exposure diddling with aperture or shutter speed.  Changing 
ISO is too fiddly on a 5D (or an A1) to bother with 1/3 stop adjustments.

Chuck Norcutt

usher99@xxxxxxx wrote:
> 
> Oops, here is the link:    
> http://www.fredmiranda.com/forum/topic/597010/1
> 
> Interesting thread on FM:appears full stop ISO increments are 
> implemented in the hardware sensor gain while in-betweeners are done in 
> SW and noisier---Tsk, Tsk, Canyon. The lack of transparency on the 
> issue is worse than the offense. How do you spell ISO-gate? Wonder how 
> widespread this approach is? 
>  
> Mike 
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