Quick help for a buddy, probably an easy answer...

Discussion in 'Photography Beginners' Forum' started by 1limited92, Apr 9, 2010.

  1. 1limited92

    1limited92 TPF Noob!

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    He asked if this was from a dirty lens/sensor. He said it happens against dark backgrounds with flash.
    [​IMG]
     
  2. Koomoo

    Koomoo TPF Noob!

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    go indoors and take a picture in a dark room with flash. test it out
     
  3. Fedaykin

    Fedaykin TPF Noob!

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    Yep, looks like it. Get something like [ame="http://www.amazon.com/LensPEN-LENLP1-Lens-Cleaning-System/dp/B000KO0GY6/ref=pd_sim_p_3"]this[/ame], or [ame="http://www.amazon.com/Giottos-AA1900-Rocket-Blaster-Large/dp/B00017LSPI/ref=pd_bxgy_p_text_b"]this[/ame](or both) to clean that up.

    Or rather tell your buddy to get it. Does his camera have a self cleaning system for the sensor?
     
  4. KmH

    KmH Helping photographers learn to fish Supporting Member

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    I don't think those are on the sensor. Sensor dust is dark.

    They look like they are lit by the flash.

    I think they are on the front of his lens.

    Actually, I think they are on the inside of a filter he has on the front of the lens.
     
  5. Dwig

    Dwig TPF Noob!

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    I agree that it looks like close out-of-focus "stuff" that was lit by the flash. To be lit by the flash they can't be on the lens or filter.

    This type of spot is common when there is a very light drizzle or mizzle. It can also occur when there is thin coarse smoke particles near the lens but far enough away to be in the beam of the flash.
     

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