Olympus-OM
[Top] [All Lists]

[OM] Re: low-lighting vs selective lighting

Subject: [OM] Re: low-lighting vs selective lighting
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxx>
Date: Tue, 03 Oct 2006 22:29:02 -0400
I think you'll find that sensor noise can be caused by heat but is also 
caused by many other things as well.  But I don't think optics is among 
them.

Chuck Norcutt

AllanDan wrote:

> Digital noise is due to sensor heat <i>and</i> optics. I didn't think it 
> important to make the distinction because I was merely offering a work 
> around based on my experience.
> 
> Allan
> 
> 
> Moose wrote:
> 
>>>The noise and grain associated with low-light 
>>>photography is really, in large part, merely due to prolonging the 
>>>exposure time long enough to allow the highlights to invade the shadows. 
>>>They do so in a defused  manner that causes weak, grainy shadows.
>>>    
>>
>>I don't think this explanation for the observed effect will withstand 
>>scientific scrutiny, but it doesn't matter for your point, as the result 
>>is the same.
>>  
>>  
> 
> 
> ==============================================
> List usage info:     http://www.zuikoholic.com
> List nannies:        olympusadmin@xxxxxxxxxx
> ==============================================
> 
> 


==============================================
List usage info:     http://www.zuikoholic.com
List nannies:        olympusadmin@xxxxxxxxxx
==============================================

<Prev in Thread] Current Thread [Next in Thread>
Sponsored by Tako
Impressum | Datenschutz