Thursday, January 9, 2014

Does it really matter what kind of memory card you get for a dslr camera?

waterproof camera canon 7d on Best Underwater Lenses|Underwater Photography Guide
waterproof camera canon 7d image



nick





Answer
In many cases, yes.

The most obvious is card speed. If you have a camera with a lot of megapixels and a high frame rate, the speed of your card definitely matters. For instance on a Canon 7D, it is creating 20MB files at a frame rate of 6FPS. That means that 120MB of data is getting written to the card every second. (It is actually a little more complicated than that because of the internal memory buffer.)


Some cards might only be 100X (20MB/s.) Those cards will reduce the amount of images that a camera like the 7D can shoot in burst mode. However a 900X card can record at 135MB/s which is slightly faster than the camera's data capture ability. In that case only the camera's internal memory buffer will limit the max number of images per burst.


Of course if you are shooting JPEG, or on a camera with a smaller sensor, the memory card speed is not going to be much of an issue. For example, if you shoot 8MB JPEG files at 5fps, the data recording speed is only 40MB/s. Most cards on the market will have no trouble at those speeds.




There are other things to consider too. High end cards will have better construction materials like waterproof/shockproof housings, better extreme temperature stability, and corrosion free gold contacts.

What's kinda Camera do you suggest?




Brenda


I am looking to get a camera for hunting + videoing the kids play sports, I want one that I can video tape, take pictures ( also pictures where I can put it on a timer and it takes the automatically for when I'm alone and I get something or for family pictures), waterproof, something that take clear shots/videos. And something that isn't to expensive but still good, I checked out cameras on future shop+best buy and the categories are like compact,dslrs and bunch of other ones but I got no clue which ones I should be looking at? Please help me?


Answer
Check out the canon 550D, it does most of that but its not waterproof. If you need weather sealing go with the 7D, but thats expensive. The 550D can hold EF and EF-S lenses so you can switch to short/long distance lenses so you can take family photos and sports photography




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Title Post: Does it really matter what kind of memory card you get for a dslr camera?
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