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[OM] Re: Sandisk Extreme III/IV Comparison

Subject: [OM] Re: Sandisk Extreme III/IV Comparison
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxx>
Date: Mon, 30 Oct 2006 12:37:13 -0500
Thanks for the feedback.  I wouldn't have guessed such a difference. 
And at 6 vs. 10 seconds I'm sure the second hand on your analog watch is 
plenty precise enough.

Chuck Norcutt

Roger Key wrote:

> I repeated Rickards test using a IGB Extreme III and a 1GB Ultra2 and my 
> E-500. This was a very crude test using my analog watch with a second hand, 
> and the test was RAW only.
> The result for the Extreme III was 6 secs approx.
> The result for the Ultra II was 10 secs approx.
> This agrees with my experience that the Extreme III is notably faster in use 
> in the E-500; I have relegated the Ultra II to my 7070, where the Extreme 
> III shows no speed advantage.
> 
> Roger Key, Copenhagen
> 
> 
> 
>>From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxx>
>>Reply-To: olympus@xxxxxxxxxx
>>To: olympus@xxxxxxxxxx
>>Subject: [OM] Re: Sandisk Extreme III/IV Comparison
>>Date: Mon, 30 Oct 2006 10:25:40 -0500
>>
>>Even better, try using a Sandisk Ultra II as long as it's 2GB or less.
>>I believe you'll find no more difference between Ultra II and Extreme
>>III at 2GB than you have found between Extreme III and Extreme IV.
>>
>>Dpreview's file write test results for the E-500 show the Ultra II as
>>only about half the speed of an Extreme III.   But be sure to note that
>>the card they use is 4GB which requires FAT32 support.  I very strongly
>>suspect that Oly's FAT32 support on the E-500 is very inefficient and
>>the performance at 4GB is due to the camera and not the Ultra II card.
>><http://www.dpreview.com/reviews/olympuse500/page10.asp>
>>
>>For example, check Rob Galbraith's compact flash performance data base
>>for the Canon 5D and  you'll see that there's hardly a dime's worth of
>>difference between all 3 cards including the 4GB version of the Extreme
>>IV.  But, as I would expect, the 2GB version of the Extreme 4 is faster
>>than the 4GB version.  It's FAT32 software overhead.  The Ultra II is
>>already at the kind of price you're hoping the Extreme III is going to.
>><http://www.robgalbraith.com/bins/multi_page.asp?cid=6007-8198>
>>
>>Chuck Norcutt
>>
>>
>>Rickard Nilsson wrote:
>>
>>
>>>Hi,
>>>
>>>This is my first post to this great list that I've been reading for a
>>>while.
>>>
>>>Thought I should post some numbers from a comparison I did between the
>>>Sandisk Extreme III and IV CF cards on my E-500 this weekend.
>>>
>>>This is how I did it:
>>>I set the camera to sequential shooting and held down the release button
>>>until the buffer was full (four captures). I measured the time from
>>>pushing the button until the camera finished writing from the buffer to
>>>the card (that is, until the little red light to the bottom right of the
>>>LCD went black). The camera was set on M mode, 1/200, f3.5, ISO 200. I
>>>used the standard 14-45 lens on 14mm.
>>>
>>>First, I shot RAW+SHQ:
>>>
>>>   III                  IV
>>>10.07                 9.72
>>>  9.83                9.57
>>>  9.97                9.63
>>>  9.87                9.68
>>>              9.79
>>>
>>>~9.94                ~9.67
>>>
>>>
>>>Then just RAW:
>>>
>>>   III                  IV
>>>  5.67                5.58
>>>  5.42                5.28
>>>  5.67                5.33
>>>  5.57                5.38
>>>  5.37                5.38
>>>  5.57        5.42
>>>
>>>~5.52                ~5.35
>>>
>>>
>>>So it seems that the Extreme III card is more or less as fast as the
>>>E-500, which is good news for me, since I then don't have to worry about
>>>getting the IV card, but instead target in on III which will probably 
>>
>>get
>>
>>>cheaper and cheaper.
>>>
>>>
>>>   / Rickard
>>>
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>>
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