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


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kyo86sg

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Sep 16, 2006
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#1
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.
 

kyo86sg

Senior Member
Sep 16, 2006
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#3
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!
 

fatigue

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Sep 26, 2005
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#5
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
 

kyo86sg

Senior Member
Sep 16, 2006
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#6
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. ;)
 

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