Speck of something in the viewfinder...

Discussion in 'Photography Beginners' Forum' started by Natalie, Jan 12, 2010.

  1. Natalie

    Natalie No longer a newbie, moving up!

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    Tonight I noticed my T1i has a pretty big speck of dust or something in the lower right corner of the viewfinder. I initially thought it was on the sensor, but when I take a photo, the speck doesn't show up in the photograph. I tried wiping the viewfinder to clean off any dust, but the speck is still there. Is it possible for something to be on the inside of the viewfinder? How would this happen and how can I get it off. Since it doesn't affect the quality of the photos, I'm not overly concerned about this, but it is pretty annoying.

    [​IMG]
     
  2. JSD

    JSD TPF Noob!

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    Could be on the mirror or the prism, be very very careful if you try to clean either, they are delicate and scratch easily. An air blower without touching anything would be the first thing to try...JSD
     
  3. Natalie

    Natalie No longer a newbie, moving up!

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    You were right, thanks! The compressed air got it right off.

    [​IMG]
     
  4. TJ K

    TJ K No longer a newbie, moving up!

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    You can see if there is anything on the sensor by stopping the lens down to f/22 and take a shot of a white piece of paper focus doesn't matter. That will help for the future. Also I recommend some sort of a rocket blower like a giottos rocket blower. Compressed air can be bad if it gets moisture on the sensor or something. Safest bet is the rocket blower.
    TJ
     
  5. Natalie

    Natalie No longer a newbie, moving up!

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    Thanks! I just did that and the sensor looks all clear. I'll take a look into the rocket blower too.
     
  6. KmH

    KmH Helping photographers learn to fish Supporting Member

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    A side note:

    Using compressed air inside your camera's mirror box is not a good idea, unless you don't mind accidently destroying your shutter curtains and other delicate parts.

    The recommendation to use a blower meant the hand operated kind. Even using a hand blower can cause problems.

    Better yet is using a quality, natural bristle brush. I get mine at the cosmetics counter in upscale department stores.
     
  7. Natalie

    Natalie No longer a newbie, moving up!

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    Thanks for the heads up. I barely had to pull the trigger on the can at all to get that speck off, so I don't think I did any damage, but I'll be sure not to use the compressed air in the future. It does say in small letters on the back of the can not to use it on cameras... I never would have guessed.
     
  8. JSD

    JSD TPF Noob!

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    I should have clarifeid this. Never use canned air, it's too forceful and can propel stuff into the mirror. As mentioned the finger powered bulb type blowers are best: the Rocket
     

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