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[OM] Re: TOPE 36 call for entries, and extended shooting

Subject: [OM] Re: TOPE 36 call for entries, and extended shooting
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Tue, 11 Nov 2008 09:52:48 -0500
Where did you learn this hot pixel remapping procedure?

Chuck Norcutt

WayneS wrote:
> Perhaps you need to reset the 5D. I believe one of the optimizations
> in the 5D is to store hot pixel information for faster post processing.
> I had a number of hot pixels and had to reset the map. The procedure
> is to operate the Sensor Clean function with a lens attached and
> lens cap on. Then power cycle the camera. This seems to have
> eliminated the hot pixel problem I was experiencing with my 5D.
> This is an undocumented procedure, but seems to work.
> 
> The E-1 simply did not perform well for me in low light, independent
> of ISO, auto focus in particular and no IS. And, it was significantly noisier
> than a 5D at ISO 800+. Plus the E-1 sensor gets hotter.
> So your experience may be different than mine.
> Olympus is known for making improvements to things over time,
> so your model may be different than the one I had.
> 
> The E-1 hand grip is much better than any Can*n though.
> 
> WayneS
> 
> 
> At 02:50 AM 11/11/2008, you wrote:
> 
>> E-1 is not noiser than the others for long exposure as long as you keep the 
>> ISO low. You have to make sure the noise reduction (cancellation?) feature 
>> is enabled, it takes another dark exposure to cancel the random hot pixel 
>> generated.
>>
>> Talking about hot pixel, 5D generates lots of hot pixels starting from 
>> ISO1600, which is bad as they cannot be reduced by NR software (same as my 
>> 40D), I do hope the Mark II is better. Similar problem does not found in 
>> E-3.
>>
>> C.H.Ling
> 
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