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FORUMS Post Processing, Marketing & Presenting Photos Video and Sound Editing 
Thread started 12 Mar 2011 (Saturday) 14:16
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where to buy sd cards online? class 10 importance?

 
robtk
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Mar 12, 2011 14:16 |  #1

i've been doing a lot more filming lately and looking to buy additional sd cards in the 16 gig range. where can i find them cheapest? does class 10 really help that much more than 6?


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Chippy569
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Mar 12, 2011 14:54 |  #2

Transcend brand cards from B&H or Amazon or Adorama, if you're doing 60fps or 1080p30 then yes class 10 can help a bit if you get into long clip lengths.


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858
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Mar 12, 2011 14:57 |  #3

I usually check between Amazon and BH. Depends on where you live, whether you'd get taxed or if you have Amazon Prime for free 2 day shipping. I've been using Transcend Class 10 without issue for pictures and video but can't compare to class 6 as I haven't used them myself. I have heard no issues however from those I know using Class 6 cards.


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newnmpr0ved
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Mar 12, 2011 16:28 |  #4

Amazon or Adorama


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newnmpr0ved
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Mar 12, 2011 16:29 |  #5

you can also compare prices with ebay. i usually sort through the vendors by their location. try to stay away from hong kong & china locations to minimize ur chances of getting grey market products (not that their bad, but people prefer USA warranty)


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JPM ­ Photography
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Mar 12, 2011 18:05 |  #6

I have been using Delkin Devices Class 6 SD cards on my T2i without issue on all and any framerates. Just my two cents.


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hazydave
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Mar 22, 2011 12:26 |  #7

robtk wrote in post #12007561 (external link)
i've been doing a lot more filming lately and looking to buy additional sd cards in the 16 gig range. where can i find them cheapest? does class 10 really help that much more than 6?

Class 10 is 10MB/s = 80Mb/s, Class 6 is 6MB/s = 48Mb/s. So with any device, unless you're actually recording at over 48Mb/s, the difference in-camera is meaningless. I don'f believe any of the Canon HDSLRs record beyond 48Mbs/s, so Class 6 is all you need.

The "class" rating applies to write speeds, but typically, higher class cards also read faster. So if you do get Class 10, you can read it out faster. It's also the case that for burst shotting in still mode, most of the Canon models continue to benefit from higher speed cards. You have a certain RAM buffer in-camera for a fixed number of shots at full rated frame speed (about 5.6fps on my 60D), but if you need longer bursts, a faster card will keep the average burst shooting faster.

Also, buy from a reputable manufacturer. Some of the cheaper companies (notably A*Data, but they're not alone) sell cards that don't always meet their rated specs. One online review I read had A*Data class 6 cards actually performing anywhere from class 2 to class 6. Maybe they've solved that problem, but I'd never trust them after that.




  
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where to buy sd cards online? class 10 importance?
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