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Thread: Speed ratings and buffering

  1. #1

    Default Speed ratings and buffering

    As I was told...
    You can pretty much ignore the speed ratings on you CF cards so long as you have a camera with buffering. How true is this?

  2. #2
    Senior Member
    Join Date
    Jan 2002


    untrue. check out the reviews at and and look carefully at the various timings.

    what's true is if the camera is very very slow in writing, the speed ratings of the CF cards do not matter much.

  3. #3
    Senior Member
    Join Date
    Jun 2003
    Singapore, Bedok


    It depends.

    If the camera has a 5 shot buffer, and you take your first shot, the speed of the card does not influence when you can take the next one (or next 4, actually). You can do so without waiting for the camera to finish writing.

    The speed of the card only matters when:

    1) You want to preview the shot immediately after shooting and the camera only allows it after it writes to the card;

    2) You hit the buffer limit.

    3) Reviewing images that are not on buffer. Some dSLRs store thumbnails in the buffer, while some read from the card.

    If your style is to shoot intermittently (ie w/o ever hitting the buffer) and don't bother to review, you'd never notice the speed of the card.


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