Digital camera photos are usually stored on removable memory cards or
discs. The storage capacity of these devices, as well as the camera
resolution and compression settings, determines how many pictures can
be stored on each memory device. Some early digital cameras stored
digital images on magnetic disk drives or mini-CD drives. However,
camera memory has evolved to the point where the SD card is arguably the
most popular picture storage media today. In any case, when buying
a digital camera, it is important to consider media compatibility with any
other electronic devices you may own.
- Mini CD-R and Mini CD-RW discs are removable storage devices that
are found on some Sony cameras. These discs can be read by the CD
and DVD drives found on most modern personal computers, but their 3.1
inch (8 cm) diameter along with the required drives makes their host
cameras somewhat bulky.
CompactFlash is a small, removable storage device that weighs about
half an ounce. It was introduced in 1994 and was designed for
PCMCIA-ATA compatibility. A CF Type I card will operate in a CF
Type I slot or a CF Type II slot, while a CF Type II card will only work
in a CF Type II slot. CompactFlash cards use non-volatile flash
memory technology, and are designed to retain information indefinitely
without a battery. CompactFlash is supported by leading digital
camera manufacturers, is fast and economical, and is available in large
- Hitachi Microdrive memory is compatible with CompactFlash slots, but
it is rather expensive. It is sometimes found on high-end cameras.
- Secure Digital - SD - cards are popular removable storage media
devices used in many digital cameras and other consumer electronics
products. They are small, fast, economical, and available in a
wide range of memory capacities. Furthermore, they are supported
by most digital camera manufacturers.
- Sony Memory Stick devices are available in several versions for use
in digital cameras and other electronics products, but they are only
supported by Sony.
- The XD-Picture card is a very small memory device that is primarily
supported by Fujifilm and Olympus.
Camera Memory Suppliers
is a supplier of photo and video flash memory products.
- Microtech International
features memory and connectivity solutions for digital media devices.
- Kingston Technology
offers Secure Digital, CompactFlash, and MultiMediaCard memory products.
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Digital Camera Memory