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How do I choose a good memory card for my digital camera?
I currently have a 5 mega pixel camera with a 256MB Memory Card in it. It only holds 80 pics, can anyone give me any suggestions as to a better memory card that will hold more pics for my camera. I am going on vacation and would hate to go out and buy multiple memory cards for it. Any suggestions?
Sandisk and Lexar come bundled with image recovery software that you copy onto your computer before you format the card. I am sure that the cards all pretty much perform the same, but these brands have a lifetime warranty for some of their products, so that makes me think they are built to higher standards. As far as day-to-day use, I have some generic and some of each brand I named and they all work. The contacts on the brand name cameras seem to have the equivalent of the "thunk" that you look for when you shut a car door to check it's quality, if you know what I mean. You don't wonder, "Is it in there right?" because it just feels right. I don't buy generics any more, though. I just end up getting them "with things" somehow.
Kingston is another decent brand, but I do not know about their warranty or bundled software, if any.
Go for a 2 GB card, if you can afford $40-65, and a 1 GB ($25-40) if you can't.
The following information is based on using the highest resolution, largest image a 5 MP camera can produce. If you use smaller sizes, the storage capacity increases immensely.
Put the card in your camera and see how many frames it says you can still hold on the card. That's the only really accurate way. Well, even that is an approximation, because the camera does not know how large your next picture will be. It's like your car predicting how many miles of fuel you have remaining in the tank when it doesn't know if you are about to smash the gas pedal to the floor. For instance, if you take a picture with a lot of more-or-less uniform sky in it, the memory used for a full 5 MP picture will be considerably lower than a 5 MP picture with huge amounts of detail.
A 5 MP camera will make files about 3-3.5 MB in size for an "average" full size, maximum resolution picture. Sometimes more and sometimes less. The theoretical MAXIMUM would be 5 MB, right?
One billion divided by 5 million = 200 pictures.
If the file size if more like 3.5 MP, though:
One billion divided by 3.5 million = 285 pictures.
Do the math to draw your own conclusions about lesser file sizes. Just double all the numbers for a 2GB card and you will see that you can get at LEAST 550 pictures on your vacation.
If you shoot a mid-size photo with "normal" resolution, you might even be able to get about a thousand on the card. Check your manual for details.
http://www.lexar.com/digfilm/capacity_chart.html shows various card sizes with various MP cameras.
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