CF or SD card

8 years 6 months ago #455225 by shooter49
Its probably been asked a lot but, Why does Sony come out with the a99 and not put a CF
card in it. My a700 holds CF & Memory stick duo. I know SD cards have come a long way but still no way near as fast or capable of holding as much memory at this time as CF card. The most Sony's memory duo cards go to is 32gb, as far as I can find. I'm not knocking Sony they have some really interesting cameras out there.
 Francis

   


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8 years 6 months ago #455230 by cybersholt
In my personal opinion, Sony chose the memory stick duo  because they came up with the format & I believe they have complete control over it. I never cared for it but it's been quite some time since I've had to deal with it. It does look like nowadays there are alternatives!!! I found this site , where you can cobble together 2 64GB micro SD cards to make one killer 128GB memory stick pro duo! I would run to Amazon and pick up one of those cool adaptors.


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8 years 6 months ago #455341 by garyrhook

shooter49 wrote: Why does Sony come out with the a99 and not put a CF
card in it. My a700 holds CF & Memory stick duo. I know SD cards have come a long way but still no way near as fast or capable of holding as much memory at this time as CF card. 


I'm not sure where you're getting your information, but this is incorrect. The newer SD XC/HC/etc cards are just about as fast (write speed) as CF, and available in sizes that at least match CF cards. A quick check on Amazon shows CF topping out at 128GB, same as the faster SD. Read speed is irrelevant (they're all fast). What you want is a card that can take the data from the camera as quickly as possible. CF no longer has an edge.

If you do the math on writing data to a card, no memory device can keep up with the fastest camera. A D4, at (using round, rough figures) 10 fps and 16mb/image would require bandwidth of over 1Gbps. That's ridiculously fast. And why the camera buffers data. So having CF vs. SD is irrelevant.

Memory stick: no. No point in that. Sony lost that battle.

As for CF, I think it's done, for the most part. SD is comparable, ubiquitous, and is (IMO) going to win out.


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8 years 6 months ago #455453 by cybersholt
Well put Gary, I think CF is going the way of the dinosaurs too (I hope) and for hopings sake would be nice to drop the proprietary funky formats (cough sony cough) and focus on more widely used things to reduce cost but hey who knows what will happen there.

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8 years 6 months ago #455560 by KCook
My fumbling paws prefer a CF card.  But it looks like I'm not going to get any say in that.

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Canon 50D, Olympus PL2
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