D800 + CF 32GB ... 400 shoots...

Started Feb 11, 2013 | Questions thread
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Phyramide
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D800 + CF 32GB ... 400 shoots...
Feb 11, 2013

Hello,

Could You please help me: My logic seems to fail on this:

I've bought a Scandisk 32 GB Extreme CF card for my Nikon D800. I use CF card as a number one card writing RAW in it and ScanDisk 16 GB SD in the second slot for JPF (FINE L). Nikon D800 shows that 400 frames (shoots) are available. When I see the size of the file i get it is around 47 mb (NEF 14-bit lossless compressed). So if I multiply 50mb x 400 shoots = 20000mb ... I do understand that 32Gb is not 32000 mb... a rather something around 30000 mb but still where does the rest 10000 mb go? In my simplifued math it should me around 700 NEF files for a 32 GB card. As the JPG file size is 15 mb so it is 3 times smaller than NEF ... so the 16 GB SD should be fine as a second card for the 32 CF card.

Could You please say where I'm wrong?

PS one more strange thing... If I take the SD card out and put D800 to shoot only RAW ... it shows me 199 shoots for a 32 GB CF card???
What is wrong?

Thank You in advance!

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Nikon D800
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