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Maximum Data Transfer rate Nikon D200 & CF card?
Folks,
I have a number of Sandisk Extreme III CF cards to use in my Nikon D200. I was considering buying a few Extreme IV cards, as they are supposed to be twice as fast as the version III. On the whole, the cards I have work extremely well, and along with the buffer in the camera, you can take around 15-18 photos quickly before the camera has to wait to dump images to the card. The only time (so far) that I ran into this was the arrival of the first QANTAS 707 at Longreach, where taking a lot of shots quickly was usefull. I just read a site that had done a bit of a test on card speeds (http://www.robgalbraith.com/bins/mul...cid=6007-8197), and it seems the read/write speeds for the Extreme IV and Extreme III cards are only 0.4 Mb/sec different. Doesnt seem a great difference for a card that is supposed to be twice the speed of the Extreme III. I suppose I hoped that going to the Extreme IV, I might have a card that can be written to faster than I can take individual shots. It doesnt seem likely, as the bottleneck seems to be more in the transfer rate of the camera, rather than the card(??) Otherwise, there should be a MUCH more noticeable transfer rate between the Extreme IV (266x) and the Extreme III (133x). Or are there other factors that affect the speed of transfer that I'm not aware of? Of course, the Nikon manual doesnt state anywhere the speed of the camera in transferring files to a card... My other thought is whether the camera continues writing to the card from buffer while I am taking another shot. Or, does it wait until I'm not doing anything before writing to card? I wondered if anyone knew of the max speed that the D200 is capable of transferring data to the CF, assuming the card is able to receive data at that max rate. Any thoughts and ideas welcomed. ------- Cheers, Rod...Out Back |
#2
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Maximum Data Transfer rate Nikon D200 & CF card?
FWIW I just purchased an AData 266x that is no faster than the AData 120x
card in terms of emptying the buffer of my D200, nor does it seem any faster in data transfer via USB 2.0 between card and PC. Toby "Rod Out back" wrote in message ... Folks, I have a number of Sandisk Extreme III CF cards to use in my Nikon D200. I was considering buying a few Extreme IV cards, as they are supposed to be twice as fast as the version III. On the whole, the cards I have work extremely well, and along with the buffer in the camera, you can take around 15-18 photos quickly before the camera has to wait to dump images to the card. The only time (so far) that I ran into this was the arrival of the first QANTAS 707 at Longreach, where taking a lot of shots quickly was usefull. I just read a site that had done a bit of a test on card speeds (http://www.robgalbraith.com/bins/mul...cid=6007-8197), and it seems the read/write speeds for the Extreme IV and Extreme III cards are only 0.4 Mb/sec different. Doesnt seem a great difference for a card that is supposed to be twice the speed of the Extreme III. I suppose I hoped that going to the Extreme IV, I might have a card that can be written to faster than I can take individual shots. It doesnt seem likely, as the bottleneck seems to be more in the transfer rate of the camera, rather than the card(??) Otherwise, there should be a MUCH more noticeable transfer rate between the Extreme IV (266x) and the Extreme III (133x). Or are there other factors that affect the speed of transfer that I'm not aware of? Of course, the Nikon manual doesnt state anywhere the speed of the camera in transferring files to a card... My other thought is whether the camera continues writing to the card from buffer while I am taking another shot. Or, does it wait until I'm not doing anything before writing to card? I wondered if anyone knew of the max speed that the D200 is capable of transferring data to the CF, assuming the card is able to receive data at that max rate. Any thoughts and ideas welcomed. ------- Cheers, Rod...Out Back |
#3
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Maximum Data Transfer rate Nikon D200 & CF card?
On 7 Jul 2007 04:28:04 -0500, "Toby" wrote:
FWIW I just purchased an AData 266x that is no faster than the AData 120x card in terms of emptying the buffer of my D200, nor does it seem any faster in data transfer via USB 2.0 between card and PC. Toby Toby, Finally tracked down a web site over the weekend that states max data write speed of Nikon D200 is 8.7Mb/Sec. This suggests that anything faster than a Sandisk Ultra II (66x or Minimum speed of 10 Mb/sec) is a waste of money. If this is correct, even my extreme III cards (133x) are faster than the camera can utilise. "Rod Out back" wrote in message .. . Folks, I have a number of Sandisk Extreme III CF cards to use in my Nikon D200. I was considering buying a few Extreme IV cards, as they are supposed to be twice as fast as the version III. On the whole, the cards I have work extremely well, and along with the buffer in the camera, you can take around 15-18 photos quickly before the camera has to wait to dump images to the card. The only time (so far) that I ran into this was the arrival of the first QANTAS 707 at Longreach, where taking a lot of shots quickly was usefull. I just read a site that had done a bit of a test on card speeds (http://www.robgalbraith.com/bins/mul...cid=6007-8197), and it seems the read/write speeds for the Extreme IV and Extreme III cards are only 0.4 Mb/sec different. Doesnt seem a great difference for a card that is supposed to be twice the speed of the Extreme III. I suppose I hoped that going to the Extreme IV, I might have a card that can be written to faster than I can take individual shots. It doesnt seem likely, as the bottleneck seems to be more in the transfer rate of the camera, rather than the card(??) Otherwise, there should be a MUCH more noticeable transfer rate between the Extreme IV (266x) and the Extreme III (133x). Or are there other factors that affect the speed of transfer that I'm not aware of? Of course, the Nikon manual doesnt state anywhere the speed of the camera in transferring files to a card... My other thought is whether the camera continues writing to the card from buffer while I am taking another shot. Or, does it wait until I'm not doing anything before writing to card? I wondered if anyone knew of the max speed that the D200 is capable of transferring data to the CF, assuming the card is able to receive data at that max rate. Any thoughts and ideas welcomed. ------- Cheers, Rod...Out Back ------- Cheers, Rod...Out Back |
#4
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Maximum Data Transfer rate Nikon D200 & CF card?
According to Rod Out back :
On 7 Jul 2007 04:28:04 -0500, "Toby" wrote: FWIW I just purchased an AData 266x that is no faster than the AData 120x card in terms of emptying the buffer of my D200, nor does it seem any faster in data transfer via USB 2.0 between card and PC. [ ... ] Finally tracked down a web site over the weekend that states max data write speed of Nikon D200 is 8.7Mb/Sec. This suggests that anything faster than a Sandisk Ultra II (66x or Minimum speed of 10 Mb/sec) is a waste of money. If this is correct, even my extreme III cards (133x) are faster than the camera can utilise. But you still may get the benefit of faster transfer of a card full of images to the computer. Enjoy, DoN. -- Email: | Voice (all times): (703) 938-4564 (too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html --- Black Holes are where God is dividing by zero --- |
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