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Thread: How to Open the lens aperture to check for dirt and dust?

  1. #1

    Default How to Open the lens aperture to check for dirt and dust?

    Hi, just wondering how to people open their aperture blades when it is not connected to the camera? cause i got a 80-200mm F2.8 lens and just want to check through the lens with a touch light for dirt and dust, but i cant see much cause the blade is close. thanks in advance.
    D7000|17-35mm f/2.8-4 |35-70mm f/2.8 |80-200mm f/2.8|100mm Macro f/2.8|SB800

  2. #2
    Senior Member fatigue's Avatar
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    Default Re: How to Open the lens aperture to check for dirt and dust?

    There's one lever located at the 3 o'clock position. Just slide it up (counterclock wise).
    Better yet, set the aperture to f2.8
    9815-1974
    FB: Hilos Camera Repair

  3. #3

    Default Re: How to Open the lens aperture to check for dirt and dust?

    Quote Originally Posted by fatigue View Post
    There's one lever located at the 3 o'clock position. Just slide it up (counterclock wise).
    Better yet, set the aperture to f2.8
    Thanks fatigue i learn something about my lens today!

    Btw does this apply to tamron lens too? Cause i will be getting one so just wanna do a quick check. thanks again!
    D7000|17-35mm f/2.8-4 |35-70mm f/2.8 |80-200mm f/2.8|100mm Macro f/2.8|SB800

  4. #4
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    Default Re: How to Open the lens aperture to check for dirt and dust?

    Quote Originally Posted by kyo86sg View Post
    Btw does this apply to tamron lens too? Cause i will be getting one so just wanna do a quick check. thanks again!
    It depends on the type of lens mount, not the brand of the lens.

  5. #5
    Senior Member fatigue's Avatar
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    Default Re: How to Open the lens aperture to check for dirt and dust?

    Quote Originally Posted by kyo86sg View Post
    Thanks fatigue i learn something about my lens today!

    Btw does this apply to tamron lens too? Cause i will be getting one so just wanna do a quick check. thanks again!
    I presume you're getting a Nikon mount Tamrom. It should be the same.

    Dust is a minor problem. Haze in lens is the biggest problem. Good luck
    9815-1974
    FB: Hilos Camera Repair

  6. #6

    Default Re: How to Open the lens aperture to check for dirt and dust?

    Quote Originally Posted by fatigue View Post
    I presume you're getting a Nikon mount Tamrom. It should be the same.

    Dust is a minor problem. Haze in lens is the biggest problem. Good luck
    thanks bro, just got it and tested it.
    D7000|17-35mm f/2.8-4 |35-70mm f/2.8 |80-200mm f/2.8|100mm Macro f/2.8|SB800

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