Digital Cameras
Digital Cameras Memory Cards Explained
Digital Cameras Tip! But because digital imaging is ubiquitous in its
availability, it's important now more than ever to understand the particulars of digital cameras, the best (and worst) ones to
buy and how to take professional-looking pictures.
Memory cards are used by digital cameras to store photos and video clips. In this sense they perform the same role as film in
a traditional film camera. There are many different types of memory card available. You need to be careful when buying a memory
card to make sure it is compatible with your camera.
The capacity of a memory card is measured in megabytes (MB) and Gigabytes (GB). The number of photos you can store on a memory
card depends on the number of megapixels your digital camera has. The more megapixels the lower the number of images you will be
able to store.
To give you a very rough idea of capacity a 1GB card can hold 400 photos taken with a five megapixel camera, 335 with a six
megapixel model and 280 with a seven megapixel camera.
A memory card is not always supplied with a new digital camera. This is because more and more cameras are being made with
small amounts of memory built into them. Typically you will be able to store between five and twenty photos on the card that
comes with the camera or in the internal memory. Therefore before you are able to do any serious picture taking you will need to
buy a card with a higher capacity,
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Most digital cameras are only compatible with one type of card. Others can use two, three or even four different types of
card.
The most common type of card used in consumer level digital cameras is now the SD card. This type of card can also be referred
to by its full name, Secure Digital. There are two reasons for the growth in popularity of the SD card. The first is its
relatively small size (30mm x 22mm approx). The second is it is capable of storing large numbers of photos. The SD card is
commonly found in Canon, Casio, Kodak, Nikon, Panasonic and Pentax digital cameras.
Olympus and Fuji have worked together to produce the xD card. These cards are smaller than SD cards (25mm x 20mm). All current
Olympus and Fuji consumer level digital cameras use the xD card to store photos on. There are three types of xD card. These are
the H card, M card and a standard card that comes without a letter. The standard card was the original xD card. The two newer
types were introduced because they could hold larger numbers of photos. The H card is a higher speed card. This means photos can
be stored more quickly on the card. This can increase the speed at which the camera is ready to take the next shot. The M card
and the standard card are both normal speed cards.
Digital Cameras Tip! Today digital cameras are cheaper than ever, and their
popularity is zooming by the minute. Modern digital cameras also yield very good quality, with as much as 6 mega pixels, or
above.
Sony have their own type of memory card. This is known as Memory Stick. There are two types of Memory Stick. One is original
Memory Stick. This is around 50mm x 20mm in size. More recently smaller Memory Stick DUO cards have made their mark. These have
dimensions of 30mm x 20mm and are also thinner than the original Memory Stick. Memory Stick DUO cards are now being used as the
card of choice by Sony in their digital cameras.
Previously CompactFlash cards were the most common type of memory card. Their large size (42mm x 36mm) has counted against
them and they are now only found in a handful of the most advanced digital cameras.
Points to keep in mind when buying a memory card include the fact that you can buy high speed cards and that there may be a
maximum capacity card that your camera is compatible with. Although a high speed cards may sound like a good idea it is quite
possible that unless your camera is an advanced model it will not be able to utilize the higher speed capabilities of a fast
card. This is because of limitations of the technology within the camera itself. Before you go out and buy a 4GB card check with
your manufacturer that your camera is capable of working with such a high capacity card.
Digital Cameras Tip! It still remains a fact that underwater photography is a
difficult yet fascinating profession. Moreover, with the underwater digital cameras this task has become even easier and creative
along with greater scopes to express much more through the eyes of the lens.
With regard to brands I happily use cards from Sandisk, Lexar and Kingston.
This article was provided by Andy Needham of http://www.cameras.co.uk/
Cameras.co.uk provides digital camera reviews, price comparisons and general help for buying digital
cameras. There is also a special section where you can ask a question if you would like further help.
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