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SD Memory Cards Writing Class i.e. Class 6 or Class 10 ?

This is a discussion on SD Memory Cards Writing Class i.e. Class 6 or Class 10 ? within the Camera equipment & accessories forums, part of the Education & Technical category; Do any of the members understand this class system? Should we be buying this type of card with the higher ...

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    Question SD Memory Cards Writing Class i.e. Class 6 or Class 10 ?

    Do any of the members understand this class system?

    Should we be buying this type of card with the higher number?

    Any input would be great thanks.
    Happy Shooting



    Peter

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    To my understanding the higher the number, the faster the transfer from camera to card. This would be helpful when shooting HDR images. Since you would shoot in fast sequence, and most likely in RAW format, the card will be able to absorb the info faster. If your camera is capable of delivering more than 3-4 exposures a second, then a higher class card will definetly come in handy.Of course, there is a $ to pay ...
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    Thanks Matt the first time I seen this type of card was yesterday I had no idea that I could get a faster card rather then a larger card. I like some of the suggestions on this site about buying more SD cards at a smaller GB then having one large GB card in case of corruption etc. So now I think I’m going to try a fast card with a low GB number and see if there is any improvement.

    Thanks again I’m learning allot.
    Happy Shooting



    Peter

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    Higher number cards will generally only have a benefit if your cameras buffer can cope with the transfer. The high number cards are suitable for both still and digital video but are more useful for digital video due to the need for higher transfer rates. I still use (4) on my 1D MkIV with no problem what so ever even shooting at 10 per second. I do have a few higher number cards but honestly for my purpose can see no significant advantage that would warrant extra $$$. Massive size SD or CF cards for me are a no no and the maximum size I use on a daily basis is 8GB but more commonly 4GB for reasons of safety(and economy), better to loose 4GB than 32GB if you have to loose any at all.
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    From what I have read or been told it really is more applicable to video capture and camera buffer capacity.
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    I have a Canon Xsi (EOS 450) and I have a three 4GB SDHC cards (one class 4, one class 6, and one class 10). I've seen no difference in filling the buffer (in burst mode) between these cards. Therefore it appears to me that unless your camera can handle the higher transfer speeds there is no reason to go with a class 10.

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    Quote Originally Posted by asnow View Post
    I have a Canon Xsi (EOS 450) and I have a three 4GB SDHC cards (one class 4, one class 6, and one class 10). I've seen no difference in filling the buffer (in burst mode) between these cards. Therefore it appears to me that unless your camera can handle the higher transfer speeds there is no reason to go with a class 10.
    Exactly right
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    Quote Originally Posted by asnow View Post
    I have a Canon Xsi (EOS 450) and I have a three 4GB SDHC cards (one class 4, one class 6, and one class 10). I've seen no difference in filling the buffer (in burst mode) between these cards. Therefore it appears to me that unless your camera can handle the higher transfer speeds there is no reason to go with a class 10.
    Awesome. I shoot with the same camera so that's good to know. Now, do they transfer to the computer faster?
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    Transfer to the computer.... I would have thought it would be faster, however it doesn't seem to be noticeably much different. I was expecting that with the class 10 I would be seeing WOW that is much faster. That not way it appeared to me. Mind you I haven't timed it to have a definitive answer. Next time I fill the various cards I will time it and post my results.

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