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I use Sandisk Extreme III compact flash cards with my D200. I have the camera set to Fine Jpeg with image priority. I always format in camera. But why is that I get WAY more images on the card than the camera suggests I will? I had approx 1000 on a 4GB card recently although the camera suggeest 449. I shoot wildlife and always have the high speed motor drive on but as far as I can see there is no D2X style crop to the file size. What's going on? It's not causing a problem but I can't explain it to my mate who asked.
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The figures displayed on the camera are derived from an average, preset file size kept in the firmware of the camera against a given CF card size.
The ACTUAL data captured - and therefore the ultimate, final, compressed file size - will vary tremendously depending on the amount correlated data the scene holds (light, colours, contrast etc).
As a test, try shooting a card full of RAW files. You might see small differences but the captured figure is far closer to the stated capacity due to the lack of in-camera processing going on compared to the massive processing taking place for a JPEG file. I use the same cards in mine and see the same 'problem' () when I shoot JPEG.
same thing happens to me. At least 900 images. I think of it as a bonus
Same here, I get about double what it says on the camera. Not complaining though!
I get 60 on a sandisk card ( RAW ) and 61 on a Kingston card....never any more...
how big a card are you using?
I only ever use 1 gig cards.
Don't know why - but you get more if you turn the camera round to portrait format
It's not just me then! I'm reassured (but none the wiser!) Ta muchly!
Jpeg images are compressed, therefore, the amount of memory used will be different for each image. So the quoted number of Jpeg images that a given size card can store is just a guide.
If you were to shot in RAW the images are not compressed and would use alot more memory.
Even in RAW you get more if you turn it round to portrait.............................reason?
Quote: Even in RAW you get more if you turn it round to portrait.............................reason?
The memory chips are rectangular, not square, so you can store more pictures in them if they're turned round the same way?....
Edit - oooerr.. I don't know why that quote box has gone to pot!
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