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Thread: Changing of lenses

  1. #1
    Member
    Join Date
    Nov 2004
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    Bedok
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    439

    Default Changing of lenses

    Hi all,
    Can anyone share tips on changing your lens? Wats the method to minimise dusts or particals
    from entering to the camera?Thks...

    Regards.

  2. #2

    Default Re: Changing of lenses

    try to change the lens in an enclosed area, with minimal moving air.

    yr cam should be powered down and the camera face down while you are changing.

    there is no way to prevent dust on the sensor unless you have a clean room environment

  3. #3

    Default Re: Changing of lenses

    do remember to blow at lens cap or sensor cap, dirt can trap there as well, and when inverted to close, dust can enter

  4. #4
    Member
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    Jun 2003
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    Central
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    96

    Default Re: Changing of lenses

    In addition, do it fast as there can be residue charge on your CCD that can attract the dust to stick on. I always get ready everything and swop the lens as fast as I can.

  5. #5
    Senior Member
    Join Date
    Aug 2005
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    Singapore, CanonGraphers.org
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    Default Re: Changing of lenses

    Quote Originally Posted by vbs1979
    try to change the lens in an enclosed area, with minimal moving air.

    yr cam should be powered down and the camera face down while you are changing.

    there is no way to prevent dust on the sensor unless you have a clean room environment
    Sorry to ask, but whay must we power down the cam??

  6. #6
    Deregistered
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    Dec 2002
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    21,905

    Default Re: Changing of lenses

    Quote Originally Posted by JediForce4ever
    Sorry to ask, but whay must we power down the cam??
    So that the sensor doesn't hold any charge and cause static electricity to be present causing particles to be attracted to the sensor

  7. #7

    Default Re: Changing of lenses

    Quote Originally Posted by JediForce4ever
    Sorry to ask, but whay must we power down the cam??
    The other reason for powering down the cam is because that's the recommendation of many camera manufacturer. There are electronic contacts on the lens and lens mount, so sliding them when the camera is powered up is not a good idea.

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