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Card reader speed VS CF card speed.
Hey everyone,
Got a question and invite any who feel qualified to help educate a relative novice in this particular area of Canon 5D/7D technology.QUESTION:
Does the speed of the card reader effect the accuracy of the content/file being transferred to the camera? Or does the speed of the card reader only determine how fast the CF card will upload to the hard drive.Back Story: I am going to be uploading video and backing up to two external hard drives, on the set of a shoot later this week. I will be using the 7D and 5D for the first time shooting video. A little nervous. I have multiple 16GB and 32GB cards. Upon filling up a CF card, I will then be using a card reader from SanDisk, the ‘ImageMate All-in-One’ to tansfer the .MOVs to my HDs. The card reader says it ‘Supports all card formats up to 34 MB/s. My concern is that many of my CF cards record at a higher maximum rate (50mbs-60mbs). Am I going to be OK using this type/speed of USB card reader in the field? Will the card reader keep pace with my CF cards?
If I have multiple cards and don’t need to wait for the upload process to re-use each CF card, will I be OK with this card reader even if it takes a little more time to transfer. Sorry if this sounds like such a rookie question.
Jared
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2 Replies
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Its just a digital data transfer, it doesn’t matter what bit rate it was recorded at, the card reader data rate will determine how fast it will xfer.
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the data rate of your card reader has nothing to do with the data rates of the files. But, a slow card reader will mean slow copies. 30 minutes of footage may take an hour to offload.
-trevor ward
Red Eye Film Co.
http://www.redeyefilmco.com
orlando, fl
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