[OM] Re: Digital decisions

Subject: [OM] Re: Digital decisions
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxx>
Date: Fri, 10 Mar 2006 07:35:09 -0500
I mentioned temperature since my A1 gets noticeably warm to the touch 
with lots of shooting over several hours and the screen and anti-shake 
left on continuously.  I don't know what's going on at the sensor but 
the CF card gets much hotter than the camera body.  I would guesstimate 
that the CF card is at maybe 110-120 degrees F (43-49 C) after the 
camera has been on continuously for 3 hours.  Since I have the optional 
dual battery grip I can run for a long time with everything powered up.

But I've never compared the exposures from a cold vs. hot camera and I 
rarely shoot at anything other than ISO 100 since the noise gets bad 
very fast at higher ISOs.

Chuck Norcutt

Moose wrote:

> C.H.Ling wrote:
>>Having use digital camera since year 2000, I have took many many shots in 
>>different lighting conditions and shutter speeds, I never found speed is a 
>>factor for noise unless for long exposure. And this is also the first time I 
>>heard about this.
> I've certainly never seen anything like that either. Can't think of any 
> techinal reason why it would be so for anything under a second.
> On the other hand, whoever mentioned temperture could well have touched 
> on something significant.
> Moose

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