Lets take a look at memory cards. These cards contain some amazing technology and are not just used in today’s cameras and other electronic devices. The SD format memory card is the most popular card available today. This stands for Secure Digital. SD cards are endorsed by most of the worlds electronics producers, and increasingly, in digital cameras. Just a few short years ago, there were a number of competing standards, with Sony in particular trying to push their Memory Stick format. However, the SD format has really won the day, and even Sony cameras now support SD cards. You can learn more about digital photography digital photography here.
Not long ago, the capacity of these cards was quite limited by the then available technology. Cards were measured in Megabytes, for instance, 256 Megabyte cards. A 512 Megabyte card was considered quite big. But as the technology progressed, so did the capacity of the memory cards. Today, a 1 Gigabyte card is considered small. It is not uncommon now to use cards between 2 and 4 Gigabytes. And, the cost of these cards has dropped significantly. In fact, SD cards are now available up to 32 Gigabytes. Wow. That is a lot of memory for a digital camera. The standard SD format tops out at 32 Gig, while a newer SDHC or Secure Digital High Capacity, card tops out at 64 Gig. At that capacity, you can take a lot of digital photos, or hours of High Definition video on just one card.
But, technology doe not rest. We now have a new SD card format, the SDXC or Secure Digital Xtreme Capacity. The incredible thing about this new format is that the capacity is now up to an astonishing 2 Terabytes, Yes, 2 Terabytes. Computer hard drives are only now approaching this capacity as a standard. Wow. Amazing. This is a large enough capacity to allow you to make a full length video all on one card. Or perhaps a hundred thousand still images, or maybe a few years worth of music.
But, one of the main concerns will still be your need to back-up and properly treat and store these cards. If you were to take a few thousand photos on one of these cards, and then have the card become corrupt and lose all those images, can you image the angst you will suffer. So, even with these new capabilities, it is more important than ever to treat them right.
It is very important that you treat these cards with the utmost respect. Be sure to purchase a case designed just for these cards. Also, I would suggest that you not purchase a single large card, but rather several smaller ones. This will help to ensure that if you have a failure of a card, you will have another card with at least some of the same information or photos from the same event. As a photographer, I can tell you that to have to tell the bride that all the images of her special day were lost, because you only used one card, you are going to have to deal with a very angry bride and her family.
For that reason, here are some important requirements you should master before shooting any special event.
1. For any memory card, make sure that the camera supports the card capacity format. In other words, if you would like to purchase a high performance SDHC card, make sure that your camera supports the SDHC format.
2. You should never format the card in your computer, even though the computer will format the card. Also, be sure to format the card in the same camera you will be using to photograph the event. It is critical to make sure that if you are about to use a card that was previously used in another camera, that you format the card before taking photos for your event (after backing up the files of course). This will ensure that the card is properly formatted. If there is a problem on the card, the problem will usually surface when you try to format the card in the camera. Sometimes, it may be possible for the computer to format a card, and not detect problems that may surface when used in the camera.
3. Make sure that you format the card before any big event to ensure reliability of the card. After you have securely backed up all the files of course. Formatting before each event will maximize the reliability of the card.
The new SDXC format is now just becoming available. It is important to realize that this new format is only supported by a handful of new cameras just now becoming available. The new Nikon 7000 DSLR camera has just been introduced, with the provision to take 2 SDXC cards, wow. So, do not buy more that you need. If you were to try and put a SDXC card into a SDHC device, the unit will ask if you want to format the card. Doing so could ruin a valuable memory card and make it unusable for future use.
And lastly, always take along several memory cards, and switch them out during the event, so that not all the photos you take are on the one card. This will help ensure that you always have at least some images if the worst were to happen. You can learn more learn photography learn photography here.
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