SDHC Cards

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Nob3y
Posts: 2084
Joined: Fri Jul 14, 2017 2:40 am

SDHC Cards

Post by Nob3y »

I notice there are different classes of SDHC cards.

First question is , WHY ?
Second, What one is best?

Any ideas please?

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andy at handiwork
Posts: 4113
Joined: Fri Jul 14, 2017 2:40 am

Re: SDHC Cards

Post by andy at handiwork »

I always use Class 10 cards in my Sony EX1 to allow for the large data transfer requirements.
Amber Freeway
Posts: 21
Joined: Fri Jul 14, 2017 2:40 am

Re: SDHC Cards

Post by Amber Freeway »

Hi

The lower the class, the lower the speed of writing. If you are wanting to shoot video, class 10 is the best because it writes quicker. Some cards don't have the class written on them but they have their speed written on them. If you're looking for an SD card for shooting video you want 30mbps (a 20 would be adequate but 30 would be better). That is the only reason they have classes.

If you're just using them for photographs then 2 or 4 would be ok.

Hope this helps

Amber xx
Nob3y
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Joined: Fri Jul 14, 2017 2:40 am

Re: SDHC Cards

Post by Nob3y »

Thanks,very helpful.
Yes I would be shooting video so will look for a higher number.

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videokim
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Re: SDHC Cards

Post by videokim »

John got a couple of these last week Nobby 32gb SDHC class 10 for ?22.

http://www.mymemory.co.uk/SDHC/MyMemory ... --Class-10

Kim x

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Bugrot
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Re: SDHC Cards

Post by Bugrot »

Even if you're shooting stills you need class 4 or better still 6. This is because of the speed at which the camera is able to download to the card, what can be large files, in a short time.
It's not unusual for a camera to stop working when it's buffer memory is full. As the SD card can't accept the data the camera is sending to it quickly enough, so the buffer fills up. The camera will work again once it has cleared at least part of it's buffer memory.
Hope this helps.
Jason Porn
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Re: SDHC Cards

Post by Jason Porn »

Thanks for the link Kim - very good deal that, must get my c/card out!

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Jason Porn
Posts: 503
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Re: SDHC Cards

Post by Jason Porn »

I agree Bugrot.

Quality First, Quality Second and Quality Third
videokim
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Joined: Fri Jul 14, 2017 2:40 am

Re: SDHC Cards

Post by videokim »

Thats true about fast cards in digital cameras, John shoots his photos in RAW so the card as to be quick otherwise your waiting 20-30 seconds to take the next pic.

Kims Amateurs The original & still the best UK amateurs...often imitated never equalled

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Nob3y
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Joined: Fri Jul 14, 2017 2:40 am

Re: SDHC Cards

Post by Nob3y »

Thanks Kim

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