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01-15-2011, 09:16 AM   #1
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Join Date: Jan 2011
Location: Houston, TX
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DSLR newbie, need help with spot on pics

Hi, I am new to the forums and I bought a K-x a few months ago, my first DSLR. Over the holidays I noticed a small black spec on the far right hand edge of some of the photos I had taken. I initially thought this was just something on my 50mm M f/1.4 lens I picked up used. However I have now noticed that it is there with all my lenses. The interesting thing (to me anyway) is that if the lens is full open, the spot is not visible, and the more stopped down the aperture the darker the spot gets. I am assuming at this point that it is something on the sensor, but I am not sure what to do about it.

Is the first step to get something to blow the sensor? Any help would be greatly appreciated.

01-15-2011, 09:35 AM   #2
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Join Date: Sep 2006
Location: Copenhagen, Denmark
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That must be a speck of dust. First use the camera's dust removal mechanism a few times. If that doesn't get it, try blowing it away withe something like the Rocket Blower, never use a can with compressed air.

Refer the manual regarding how to do the above.


- get the big one.
01-15-2011, 09:40 AM   #3
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Join Date: Jan 2011
Location: Houston, TX
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Original Poster
Thanks for the response. I tried the dust removal a few times, and then I figured out how to raise the mirror. Definitely dust/debris of some sort. Looks like I am off to find a Rocket Blower today. Thanks!
01-15-2011, 10:09 AM   #4
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Welcome to the forums..

Good luck.


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