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DPChallenge Forums >> Hardware and Software >> 256 MB Compact Flash question
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Showing posts 1 - 9 of 9, (reverse)
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06/06/2004 12:22:24 AM · #1
How many photos can this card carry? When I first got the card I was sure it was atleast 70+ (large, fine), but now I can only shoot 60 images (large, fine). I think something is taking up space, but I can't find what it is. Does anyone know how I can find out?
06/06/2004 12:27:30 AM · #2
Check you ISO setting, I noticed on mine that on high ISO settings pictures will take more space.

Message edited by author 2004-06-06 00:27:55.
06/06/2004 12:28:48 AM · #3
also, try to reformat the disk in the camera. If there is something taking up the space that should clear it up.
06/06/2004 12:30:57 AM · #4
Try this: set your camera to ISO 100 and see how many pictures you have left, then change it to ISO 400 and check again, you will see a lower number.
06/06/2004 12:33:11 AM · #5
Originally posted by CODE:

Check you ISO setting, I noticed on mine that on high ISO settings pictures will take more space.


Right there was the problem. The ISO was up at 1600 for some reason and when I dropped back down to 100 it said I could take 75 photos.

Thanks for the help.
06/06/2004 12:39:37 AM · #6
You can read the contents of the card in one of two ways: Load the drivers on your computer, hook up the camera, and you should be able to see it in windows explorer as a drive (assuming you're using windows XP); or, get a card reader, and load the card and you can see the contents through explorer (or whatever the Mac equivilent is). Then you can verify whether there's some left over files lurking on there.

Also, the way JPEG files are compressed, the more variations of color or dynamic detail there is through a shot, the less effective the compression will be. So a picture with large uniform areas will compress smaller than a scene with lots of intricate detail. As Aaron pointed out, setting a higher ISO will cause compression to be less effective, because higher ISO adds noise, which adds variation in tones. Also, higher sharpening, which increases edge contrast, and therefore adds more variations, will cause file sizes to be larger.

Message edited by author 2004-06-06 00:40:18.
06/06/2004 01:23:32 AM · #7
If you are using a Mac, just insert the CF card in a reader and connect the reader. The card will appear on your desktop as a drive. My Microdrive appears on my desktop as "EOS_DIGITAL".

Also, these cards require a directory of sorts and other files. Just like a regular hard drive, the rated capacity (256MB) will format to something like 250MB give or take.
06/06/2004 02:45:17 AM · #8
One more question...kinda dumb one.

When you fill up folder 999 will it roll over back to folder 100?
06/06/2004 03:17:24 AM · #9
Originally posted by Havok:

One more question...kinda dumb one.

When you fill up folder 999 will it roll over back to folder 100?


yes, at least it did with my d30 and 10d
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