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Canon EOS Crop Sensor for HD
APS-C sensor cameras including the 80D, 70D, 7D Mk. II, 7D, EOS M and Rebel models for HD video recording.

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Old January 13th, 2010, 12:23 PM   #1
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Prospec CF Card

Anyone using the following card below for their 7D? Any issues?

Calumet ProSpec UDMA 16GB 305x CompactFlash Card
Calumet ProSpec UDMA 16GB 305x CompactFlash Card - CM6276 - CUCFPRO3-16GB
Erwin Layaoen is offline   Reply With Quote
Old January 13th, 2010, 03:17 PM   #2
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Location: Kansas City, MO
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Good review, pricey card. There've been quite a number of reports of card failures recently from people shooting video, not stills. In all the cases I've read about, the cards were in no way abused. Also, it wasn't just one brand nor was it cheap brands. Failures from a variety of manufacturers, including SanDisk are being reported. Not a lot, but enough to make a guy really nervous. The card's resistance to physical damage is one thing, but does that affect some mysterious failure? I don't know. One person, for instance, had recorded about 2 gigs with a previously used SanDisk Extreme III 30MB/s card. Earlier shooting showed no problems. Then suddenly the card just died in camera. No device would talk to the card, the recorded files were dead. SanDisk replaced the card--big deal, he lost his footage. There are some threads about these types of failures. Others have used the IV versions with failures, and still others have similar failures with Transcend. Personally I have some SanDisk and Transcend cards that have given me zero problems. I consider myself lucky.

It's natural to think we should buy the most expensive cards out there. But that doesn't seem to make them immune from failure. I'd like to see these Calumet cards used for extensive video shooting and see how the fare. Calumet is a great, professional place and I'm sure they wouldn't put their name on a card they don't believe is top notch. However, what would impress me a lot more than those physical torture tests is for somebody to shoot hours and hours of video with the cards and do so with no mysterious failures for no apparent reason.
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