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Digital Storage Media for Digital Cameras
When you buy a digital camera you save on a recurring expenditure and that is of films and slides. This recurring cost has been cut because all the snaps you take are stored in storage media or the ‘memory cards’. These are re-usable and can hold much more pictures than the standard rolls of films holding only 36 exposures. Moreover, you had to wait till the laboratory process was over to know the results. But with the storage media you can easily playback the shot or ‘review’ it and erase it from the storage if found unsatisfactory.
One of the commonest storage media are the Secure Digital (SD) and MultiMedia Card (MMC). These are supported by almost all the cameras from point-and-shoot to digital SLRs. Often these cards are hailed as the storage media of the future due to their acceptance by almost all the manufacturers and for being supported by various digital devices.
When the capacity of these cards is 4GB or more then they are called SDHC or Secure Digital High Capacity cards.
The next in popularity are the Compact Flash cards or CF cards. Most of the professional Digital SLRs use the Type II or the modern version of this card. The advantage of this card is that it is available in various capacities of up to 16GB and has various writing speeds.
So you can get a fast card for your camera that can shoot up to 10 to 12 frames per second under continuous shooting mode and store the images at the rate of up to 45MB per second.
There are two other memory cards. But both of these are proprietary ones developed by certain manufacturers. The more well know of the two is the Memory Stick from Sony.
All the Sony cameras use only this storage medium though these days Sony is also supporting SD cards along with their own Memory Stick. The drawback lies in the fact that you cannot get these in capacities higher than 4GB.
The other proprietary storage card has been developed jointly by Olympus and Fujifilm and is known as the xD card. These are ultra compact cards with high capacity of up to 8GB.
To use the panorama function in the Olympus cameras you will need an xD card. But the newer models from both manufacturers are switching to the more available and popular SD cards.