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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 09 May 2009 (Saturday) 12:23
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Quick Sandisk CF card comparison

 
int2str
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May 09, 2009 12:23 |  #1

Just got my new SanDisk Extreme IV CF card and did a quick comparison (inspired by DPReview's audio file method).

Attached is a comparison of a ~10sec. RAW burst on my Canon 50D. Camera was set to M-mode, 1/1000th shutter and the lens cap was on so all files have the same (black) pixel to make it fair.

Nothing really unexpected here, but it does show that speed of the card does make an appreciable difference with the camera.

Btw. flush times were 7 sec. with the Extreme IV and 10 seconds with the Extreme III respectively.


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canonloader
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May 09, 2009 12:45 |  #2

Interesting. They were the same up to shot 21. I guess that is the buffer.


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Superficialodds
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May 09, 2009 15:04 |  #3

Nice test, I should try this some time




  
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zincozinco
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May 09, 2009 15:10 |  #4

cool stuff, that means me with an old camera wont benefit of a IV card as my buffer is 20 raws..... im hunting extreme IIIs now!! cheers!!


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sf_loft
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May 10, 2009 18:28 |  #5

I use an extreme III @ 30mb/sec on my 21.1mp 5DMKII and works just fine for those large files. I will only notice it for bursts where I fill up my buffer quickly. For one shot mode, extreme III is good enough. Save money on the CF and from additional high-speed UDMA readers you may want.


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Quick Sandisk CF card comparison
FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
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