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[OM] Re: OT (semi): CF card speed question

Subject: [OM] Re: OT (semi): CF card speed question
From: Moose <olymoose@xxxxxxxxx>
Date: Sun, 22 Jul 2007 18:00:21 -0700
Chuck Norcutt wrote:
> The dpreview test of the 410 shows that the camera is capable of writing 
> about 7 MB/sec if it has a card that's fast enough. 
> <http://www.dpreview.com/reviews/olympuse410/page10.asp>
> Looking back at tests for the Canyon 5D (since older cards were being 
> used for testing then) 
> <http://www.dpreview.com/reviews/canoneos5d/page11.asp>
> we find that the SanDisk 4GB Ultra II (which I consider the sweet spot 
> for a 5D) is only hitting 5.1 MB raw write speed while the Lexar Pro 2GB 
> 80x is hitting 7.1 MB and the SanDisk 2GB Extreme III is up to 8.3 MB. 
> I find this a somewhat curious result since my 2GB SanDisk Ultra II is 
> decidedly faster on download than my 8GB Lexar 133X.  I've never tested 
> either one on write times in camera since I'm not a speed shooter. 
It was true for a long time, and may still be true, that Lexar read 
times were significantly slower than Sandisk even though write times 
were about the same. Thre is no necessary relationship between read and 
write performance in practice.

Moose

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