Capacity of 1GB SanDisk Ultra vs 1GB Microdrive

Discussion in 'Digital Cameras' started by Graham Russell, Nov 5, 2003.

  1. I've just bought a 1GB SanDisk Ultra compact flash card for use with a 10D.
    I also have a 1GB microdrive.. It appears that the formatted capacity of the
    SanDisk card is about 976MB whereas the formatted capacity of the microdrive
    is 1GB. This means that the microdrive holds about 20 more RAW images than
    the flash card.I wasn't expecting this difference in capacity. Is the
    capacity of the 1GB Ultra OK or is it bad?

    Thanks,

    Graham.
     
    Graham Russell, Nov 5, 2003
    #1
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  2. Graham Russell

    Ed Ruf Guest

    More fundamentally, the "correct" measurement makes sole use of powers
    of 2.
    ________________________________________________________
    Ed Ruf Lifetime AMA# 344007 ()
    http://members.cox.net/egruf
    See images taken with my CP-990 and 5700 at
    http://members.cox.net/egruf-digicam
     
    Ed Ruf, Nov 5, 2003
    #2
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  3. Graham Russell

    Ed Ruf Guest

    Not too significant?

    { (2^30 - 10^9) / (2^30) } *100 = 6.9%

    If the gas station down the street was off this much they'd surely get
    fined by your state's weights and measures office.
    ________________________________________________________
    Ed Ruf Lifetime AMA# 344007 ()
    http://members.cox.net/egruf
    See images taken with my CP-990 and 5700 at
    http://members.cox.net/egruf-digicam
     
    Ed Ruf, Nov 5, 2003
    #3
  4. Graham Russell

    Matt Guest

    Cards are formatted too, and there's a certain amount of overhead that
    is inherent in all cards. 976 MB sounds about right.
     
    Matt, Nov 23, 2003
    #4
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