D800 CF vs (and plus) SD Continuous High Speed

Started 2 months ago | Questions thread
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mattspace Contributing Member • Posts: 509
D800 CF vs (and plus) SD Continuous High Speed

Hi Folks,

Something I noticed today - for most of my ownership of this camera, I've shot to the CF slot, with the SD as overflow. Then on a trip overseas I got into the habit of shooting to both cards, for safety sake.

Today I was shooting high speed for the first time since changing to this, and I'm noticing that the buffer gets full and stops shooting really quickly. With the CF only, I can more or less shoot on cH with 5-7 or so shots with just a release and immediate repress of the shutter, maybe a second gap between presses, and just keep doing that ad-infinitum.

With the SD card as well, after that initial burst, the camera will refuse to shoot or just do single frames for a few seconds before it'll allow another multiple frame burst.

Pic of the two cards: the CF was bought in 2013 with the camera, the SD from a department store in Japan (caught out while travelling).

From everything I can see, I think the SD card should be faster / higher throughput than the CF card, so perhaps the holdup is the fact the camera's writing to both, but I'd appreciate anyone with a confirmation / clarification.


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Nikon D800
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