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SD Cards
Do the different SD cards make any difference in camera speed other than time it takes to save a picture? Would they effect the speed at which the camera captures an image?..

Comments (6)

I don't believe that a card will allow a camera to capture an image any faster but instead the card will allow it to be written onto it faster which if you are like me and shoot lots of candid as it happens is very important. I don't want to be standing there watching my card accept the image while Big Foot just happens to peek around the tree..

Maybe think of it like tires on a race car. Just everyday tires will still get the car around the track but a high performance tire will allow it to get there more times and quicker.'The moment you think you're great is the moment you quit learning.'http://www.gawalters.comhttp://garyw1.smugmug.com/..

Comment #1

You're an engineer, I notice, so you'll quickly see that other than bursts in an expensive DSLR, SD card speed really only helps when transferring from the card to your computer..

You digital camera has a buffer which is fairly high speed memory. The size of that buffer is generally greater on more expensive cameras. The camera writes the image to the buffer then the buffer writes the image to the SD card..

Inexpensive bottom of the line point and shoots may write directly to the card, but I doubt it. After all, the image has to go through an on-board JPEG processor prior to writing to the card. All cameras produce a RAW file and then process them to a JPEG. I would imagine that even the cheapest point and shoot would have to store the RAW on a buffer. Some let you store the RAW file, and let you process it to JPEG later...

Comment #2

It also depends on the camera. Nearly all P&S models will have no advantage in shooting with a higher speed card, since they are designed for standard speed cards unless specifically noted otherwise..

Even with a standard P&S, the usable advantage of a faster card would be using a card reader to transfer images from the card to the computer...

Comment #3

What Gary said is right - if you want to shoot multiple images in quick succession you WILL need to buy the fastest card you can find, because the camera's buffer will stop you being able to press the shutter whilst still writing the image to a slow card. Buy a reputable brand like Sandisk and chances are it will be fast enough anyway.spolky..

Comment #4

Spolky wrote:.

What Gary said is right - if you want to shoot multiple images inquick succession you WILL need to buy the fastest card you can find,because the camera's buffer will stop you being able to press theshutter whilst still writing the image to a slow card. Buy areputable brand like Sandisk and chances are it will be fast enoughanyway..

Not so. The write speed of the camera may limit the use of faster cards..

My Nikon D80 benefits from faster cards e.g Sandisk Extreme III. My D50 does not. The card can accept the write faster than the D50 can spit it out..

I cannot point you to a test of the D50 against D80 but to compare like with like check out the 2GB Sandisk Extreme IV Compact Flash speeds on the Nikon D70s, D200, D300..

Http://www.robgalbraith.com/bins/multi_page.asp?cid=6007-7906http://www.robgalbraith.com/bins/camera_multi_page.asp?cid=6007-9406http://www.robgalbraith.com/bins/camera_multi_page.asp?cid=6007-9254.

The D200 is double the speed of the D70s and the D300 is almost 6 times the speed. More importantly on the D70s the Extreme IV is hardly any faster than the much cheaper cards..

So the only advantage you get is download speed to your PC..

So advice on this subject needs to be camera specific..

Chris Elliott.

*Nikon* D Eighty + Fifty - Other equipment in Profile.

Http://PlacidoD.Zenfolio.com/..

Comment #5

Thanks to all who chipped in with an answer. The reason I asked was I got a ultra compact P&S last week and it was slow saving pictures. I thought it may have been the SD cards I have. I ride a motorcycle and needed a small easy to use camera to shoot with while riding. Didn't work out..

I thought I'd bought a Panasonic DMC-TX4 yesterday, but the camera couldn't be shipped to me in time for my ride to Moab, Utah next week. I'm back to square one: Looking. I have my choices narrowed down to: Casio EX-S10, Panasonic DMC-FS5, Canon SC100IS and Panasonic DMC TZ4. Now to find one locally. bob..

Comment #6

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This question was taken from a support group/message board and re-posted here so others can learn from it.

 

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