SD Cards... Ideal for DSLR

ddbowdoin

Well-Known Member
Original Poster
this is a pretty simple question... there is no middle ground with SD cards. It seems as if you can only get very expensive 80 (4gb . 30mb/s) or cheaper class 4 cards. Do you find an actual noticeable different in quality?

opinions appreciated.
 

ddbowdoin

Well-Known Member
Original Poster
I'm curious about recommendations in this area as well. I've had my eye on the Eye-Fi Pro X2 8GB with something more downmarket as a backup, but wondering if that's overkill.


Personally, I would say that is overkill. That card is a class 6 but notice they don't actually provide write speeds. I have seen class 10's that write at 20/s and some that are 30/s. Without an actual number the range could be wide... for that card, the 100 price tag is being produced by the wifi aspect.
 

Monorail Lime

Well-Known Member
The class rating represents the minimum sustained write speed of a card in megabytes per second (or x8 megabits per second). There is no difference in "quality", only speed. A card should be selected based on the most bandwidth-intensive application it will be used for.

Class 2: JPEG photography
Class 4: RAW photography and SD video
Class 6: HD video
Class 10: high-framerate HD video

Most cards advertise a write speed that far exceeds the requirement of its class. This maximum speed is based on optimal non-fragmented filesystem conditions and will not often be achieved in actual use.
 

NowInc

Well-Known Member
Honestly I don't notice any quality difference with SD cards of different speeds etc. Granted I also don't shoot sports (ie continuous) so I never notice a slow write speed.

The EyeFi cards are awesome...I'd get one but personally I carry a netbook around with me everywhere and always dump my photos right after each set (also sometimes opting to shoot directly to the computer via USB controls).
 

wdwmagic

Administrator
Moderator
Premium Member
Sorry can't help on SD cards. But my faster CF cards do show an improvement in burst shot speed, and also in movie mode (if that's your thing).
 

DVC Mike

Well-Known Member
I use class 10 SDHC cards, and I notice the difference in speed only when uploading photos to my camera, or when the internal buffer fills up when shooting a longer burst.
 

Testtrack321

Well-Known Member
Check out what your camera recommends for shooting it's HD video (if it has the option since it is a DSLR.) My point and shoot says I need a class 6, right now I have class 4. Works fine for photos and taking about 20 seconds of HD video.

Personally, I think higher storage is more important than higher write speeds for my needs since I don't shoot that much HD video.
 

CP_alum08

Well-Known Member
If you're shooting HD video or long bursts of shots, class 10 is the way to go. Or if you shoot with something like a Canon 5D MK-II or a Nikon D3x that have extremely high MP you may notice a difference in preference in the higher class. Other than that though you probably won't be able to tell much.

I have heard of older cameras not taking higher class cards too nicely, but i've never experienced this myself. I put a class 10 in my 3 year old Casio P&S just to try and it worked fine.
 

Wadecool

New Member
I just bought a Nikon D3100 and a PNY 8GB class 10 card. I am anxious to take it out and see how many pictures & video will actually fit on the card.
 

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