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I have a 16GB SDHC Ultra II that I use for my Nikon D7000 and I shoot RAW. Before the display in the camera says that it holds around 448 or something pix but now after I transferred some of the pix back to the computer (I used around 200 yesterday) and deleted those in the cards, the camera still shows I have ONLY space for 230 pix in the card.

How can this happen? I have already deleted those pix in the SD card and I have actually re-formatted the card (using the menu in the camera) but still it shows 230 instead of the original 448. Can anyone help?

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Its usually wise to format the card after you've transferred your photos. Many unusual things may happen otherwise. Happened to me before... –  Robert Koritnik Apr 4 '11 at 20:19
Any result in the meantime? –  Simon A. Eugster May 2 '11 at 20:58
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2 Answers

  • What does the computer say about its capacity? Is there still a 16GB partition, or has it perhaps been resized?
  • Are you still recording RAW only, or perhaps RAW+FINE? (I guess not though since my 16GB card shows 440 images as well for RAW (14-bit lossless compression), but still 312 for RAW+FINE)
  • Did you put another card into the second card slot and chose its role as Backup card? This is most probable. The number of images you can shoot when Card 2 is set to Backup is the lower number of images that you can store on either card. If the second card has only 8 GB space left, then it does not matter whether you've got 8 GB or 800 GB on the first card. (Ok, in the latter case science might perhaps be interested in the card.)
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To heck with science, if you got an 800 GB card, I'm interested in it! –  John Cavan Apr 4 '11 at 14:57
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This camera has two SD card slots; have you got a card in each slot, or just in one? Could it be that you've filled up one card and re-formatted the other?

Guessing that a D7000 14-bit, losslessly compressed raw file is around 19MiB (20 x 10^6 bytes) and that your 16GB card actually has 14.9GiB (16 x 10^9 bytes) of formatted capacity, you should get about 800 pictures per card, not 400. So maybe the card was having issues the first time around as well.

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