spec inside the camera body! need help.

Discussion in 'Digital Discussion & Q&A' started by blitzkrieg69, Feb 1, 2010.

  1. blitzkrieg69

    blitzkrieg69 TPF Noob!

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    Im a noob, as you can see. looking through the the camera i seen a spec. cleaned both ends of lense and i think its on the reflection thing in the camera body. can i use my brush to try to clean it off there? didnt know if i would mess it up somehow.

    Thanks in advance
     
  2. Big Mike

    Big Mike I am Big, I am Mike Staff Member Supporting Member

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    That 'reflection thing' is called the mirror. ;)

    You can try to clean the mirror, but be very very careful. If you knock the mirror out of alignment, it will be a big problem.

    If you can live with the spec, it's not a big deal as it won't affect the image at all. When you press the shutter release, the mirror flips up and out of the way...it's only there so you can see out of the lens with the viewfinder.
     
  3. Derrel

    Derrel Mr. Rain Cloud

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    The spec is most likely located on the underside of the viewfinder screen, which is located above the mirror. DO NOT CLEAN, or even touch or brush the angled mirror inside your camera--the mirror is very fragile,very delicate,and its precise location is critical for autofocus accuracy. A mirror can be quite dusty and dirty and filmy,and not affect the viewing image very much. You can NOT, I repeat, can NOT see dust or lint or fibers on the mirror surface--that surface is not in focus; what you see is on the viewfinder screen, above the mirror.

    Yeah, there could be a speck of lint (sweaters and knitted hats, gloves, etc, anything made of yarn are particularly bad for this, BTW) on the viewfinder screen. Remove the lens and then blow hard on your hand three or four times, to make sure no little spittle drops go flying, and then blow the lint or fiber off the viewfinder screen. Replace lens. Be happy!

    Just as an aside--there are going to be more specks in the future. That is guaranteed. You might as well get used to it and not worry until there are many of them.
     
  4. blitzkrieg69

    blitzkrieg69 TPF Noob!

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    ok so dont mess with the mirror? and its showing up in the pictures. small but its there. i will post an example in a minute
     
  5. Josh66

    Josh66 Been spending a lot of time on here!

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    That must be a separate piece of dust (on your sensor).

    If you can see it through the viewfinder - it will not show in the pictures.
    If you can see it in the pictures - it will not show in the viewfinder.
     
  6. blitzkrieg69

    blitzkrieg69 TPF Noob!

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    here some pictures. red circles around the spec. i see it in the viewfinder also though
    but its not blurred in the viewfinder. its a small black spec when i look through the viewfinder

    [​IMG]
    [​IMG]
     
  7. Josh66

    Josh66 Been spending a lot of time on here!

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    If you can see it in the viewfinder, and it shows up in pictures - it has to be on the lens.
     
  8. blitzkrieg69

    blitzkrieg69 TPF Noob!

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    ok, if i look through the viewfinder and start to turn the lense to take it off will the spec move?

    thanks for all your help
     
  9. Josh66

    Josh66 Been spending a lot of time on here!

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    If the lens is turning, the spec should be too...

    Do you have a second lens to check it with?

    I would take the lens off and hold it up to a bright light - see if you can see anything.


    Take a picture of your wall at f/22... That will show you the dust on your sensor.


    If it's not on the lens, the only thing I can think of is that you have a spec on the mirror (or focusing screen) AND the sensor, in almost the same place.

    Anything on the mirror/focusing screen will not be in the light path during exposure, and you can't see the sensor through the viewfinder.
     
  10. blitzkrieg69

    blitzkrieg69 TPF Noob!

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    i only have the kit 18-55 lense.

    and when i turn the lense, the spec does not move
     
  11. Josh66

    Josh66 Been spending a lot of time on here!

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    ...hmm


    Well, it doesn't really look like sensor dust to me...

    Not my picture, but this is what sensor dust looks like:
    http://iseenothing.com/pictures/sensordust.jpg

    It looks like a spec of dirt or oil on the front of the lens (or a filter).

    I'm out of ideas, lol. Unless you have a spec on the sensor and focusing screen...
     
  12. blitzkrieg69

    blitzkrieg69 TPF Noob!

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    its a dark spec like those when i look through the viewfinder. but blurred on pictures
     

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