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Can the card keep up with you and your camera?

  • Nov 20, 2005
With fast shooting high mega pixel cameras, the CF card can be a major performance factor. Why have one of these cameras and use a card that cannot keep up? When I bought my 8.2 mp Canon 20D, I decided it was time to get a second CF card so the research started.

The Ultra II cards write with a minimum of 9 mb/sec. and read at 10 mb/sec. These fast write speeds are desirable with large image files. There are cameras with buffers to hold images while writing to the card during continuous shots. At some point if the card cannot write fast enough, your camera will stop shooting until the buffer clears enough room.

This card has a high impact rating. For example; if you were to accidentally drop this card 10-foot up to then hit the floor, this card is rated to sustain the fall without damage.

Sometimes the trade off on price comes from power consumption. Lower priced cards may use more power to do the same job as this card. The low power consumption of this card means a longer battery life.

People generally want to know how many images a card will hold. This is a difficult question to answer and greatly depends on both the card and the camera it is used in. The number of images this card will hold on my 20D also depends on the settings used. Let me provide a few settings and image counts for an idea of what this card holds.

Shooting Raw w/ISO 100 - 221 images
Shooting Raw w/ISO 800 - 206 images
Shooting Large jpeg - 479 images
Shooting Medium jpeg - 825 images
Shooting Small jpeg over 999 images (the 20D cannot provide counts above 999)

I use both a 1GB and a 2GB card shooting primarily raw images. Sometimes the 1GB card is more than adequate, but other times I could easily fill the 1GB card quickly. There have been many days where I have taken 200-300 pictures without the opportunity to transfer my images. The 2GB card not only gives me more storage space, but also permits me to change the card in a slow moment before it completely fills up. It is truly aggravating to lose a shot because your card filled up. For these reasons I tend to prefer the 2GB cards. When considering the card size, one should attempt to balance convenience with capacity. Having one card for all your images may be convenient, but it is also putting all your eggs in one basket.

Worried about reliability? It's backed with a lifetime limited warranty outside Europe. The warranty excludes any defects, malfunctions, performance failures or damages to the card resulting from use in other than its normal and customary manner, misuse, accident or neglect; or improper alterations or repairs.

Fast read/write
Impact resistant
Low power consumption
Backed by a lifetime limited warranty


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SanDisk Ultra® CompactFlash® 2 GB Memory Card
Catch whatever life throws your way

There’s never a dull moment—or at least it feels that way—when you can shoot and transfer photos and videos like the pros. That means capturing and sharing all your favorite photo and video opps with a SanDisk Ultra® memory card. It’s so fast, you’re always ready for the next shot, plus so rugged that environmental conditions will never hold you back. With SanDisk Ultra® memory cards available in CompactFlash® and SD™ formats, and superior speeds that let you transfer from your camera to computer in a snap, you’re ready to go where the shot takes you.

Video is the new photo
Only video tells the whole story. So get the larger capacity SanDisk Ultra® SD cards that give you plenty of room to keep on shooting. Larger capacities, like 8 GB or 16 GB are the perfect way to shoot more video on your point-and-shoot camera.

Maximize your camera’s performance
  • Keep shooting without fear of running out of space
  • Get dependable performance every time
  • Don’t come up short, store more photos and videos

* 15MB/s Read, 9MB/s Write. Based on internal testing with TestMetrix; performance may be lower depending upon host device. 1 megabyte (MB) = 1 million bytes. ** 1 gigabyte (GB) = 1 billion bytes. Some capacity not available for data storage. *** Excludes Germany and other regions which do not recognize limited warranty.

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