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Archive 2009 · CF Card speed help!
  
 
psurrette
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p.1 #1 · CF Card speed help!


I just purchased one of the new SanDisk Extreme 60MB/s cards. I shoot with a Canon Mark IIn and I was expecting to be able to shoot more frames at 8fps with the faster card compared to the Extreme III which is only 30MB/s. I typically shoot RAW and can get a sequence of 21-23 frames before the buffer is full and need to let the card catch up. The new 60 MB/s card makes no difference. Buffer still fills after 22-24 shots. I did back to back testing tonight switching cards multiple times shooting at 1/500th and both cards seemed to the same.

Looking for some technical advice here as I have a shoot next week that I need to shoot a sequence of about 4-5 seconds and need more than 24 shots. I do not want to go down to a jpeg file as the art director requested RAW files. I thought going to the faster card would help I was thinking of going to the new 90MB's card but if it will not help I do not want to spend the $$$$!

Any advice would be appreciated.

Thanks,
Pete

Nov 03, 2009 at 07:21 AM
kodakeos
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p.1 #2 · CF Card speed help!


yeah - the camera can only write at the speed of its bus, which on a 4 -5 year old camera is NOT going to be anywhere near the speed of that card
I just bought the Extreme III's for my 1Ds II cause the new cards make no difference in speed in these "older" cameras. Only in reading out to a computer...
sorry..

Nov 03, 2009 at 07:23 AM
psurrette
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p.1 #3 · CF Card speed help!


kodakeos wrote:
yeah - the camera can only write at the speed of its bus, which on a 4 -5 year old camera is NOT going to be anywhere near the speed of that card
I just bought the Extreme III's for my 1Ds II cause the new cards make no difference in speed in these "older" cameras. Only in reading out to a computer...
sorry..



I was afraid that was the answer I did not want to hear

Thanks

Nov 03, 2009 at 07:27 AM
 



Allan Bruce
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p.1 #4 · CF Card speed help!


However reading the cards on a PC with a decent reader should yield a speed factor of 2 so it's not all lost!

Nov 03, 2009 at 07:48 AM
davenfl
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p.1 #5 · CF Card speed help!


Unfortunately the camera is your limitation.

Dave

Nov 03, 2009 at 08:05 AM
Ian.Dobinson
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p.1 #6 · CF Card speed help!


psurrette wrote:
kodakeos wrote:
yeah - the camera can only write at the speed of its bus, which on a 4 -5 year old camera is NOT going to be anywhere near the speed of that card
I just bought the Extreme III's for my 1Ds II cause the new cards make no difference in speed in these "older" cameras. Only in reading out to a computer...
sorry..



I was afraid that was the answer I did not want to hear

Thanks



http://www.robgalbraith.com/bins/multi_page.asp?cid=6007-8200

Nov 03, 2009 at 08:05 AM




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