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I have a fly in my camera!

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    Tony_M  10342 forum posts England
    4 Sep 2005 - 1:52 PM

    In the middle of an afternoon's photography I set up the camera and looked though the viewfinder, only to see a small fly wandering around on the inside of the focusing screen! That is, in-between the focusing screen and the pentaprism. I think it's about 2-3mm long. Goodness knows how it got in there. Does anyone have any good ideas on how to remove it?

    Now the camera (Canon 350D) is at home I can't see the fly anymore, but of course I don't know where it is :-( and I'm not comfortable with the idea it might get fried onto the sensor next time I use the camera!

    Any suggestions gladly received...

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    4 Sep 2005 - 1:52 PM

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    4 Sep 2005 - 2:09 PM

    Put a spider in to eat the fly? Wink

    covey  91672 forum posts Ireland
    4 Sep 2005 - 2:12 PM

    You'll end up with a horse I tell you!


    4 Sep 2005 - 3:45 PM

    Bugs in viewfinders are common. I've frozen them in the past (with a film camera). I tapped the pentaprism until the bugs weren't visible, placed the camera in the freezer (in a plastic bag) overnight, then slowly brought it back up to room temperature. The bugs never re-appeared.

    If the screen is removable, a blast of air can shift them sometimes (but they can be by the eyepiece, and difficult to shift).

    Tony_M  10342 forum posts England
    4 Sep 2005 - 7:49 PM

    Hmmm. Not sure I want a spiders web in there as well... or a horse! I suppose I ought to learn whether the screen is removable. Thanks for the freezing suggestion, though I think I'll hold back on that for now and see if I can shift it with a blower brush.

    4 Sep 2005 - 8:30 PM

    Tom, before you go ahead & try to clean it can I ask if the Camera is still under warrantee. If so, am I right to say that all new cameras get a free sensor cleaning service. If this is the case just state to who cleans it that you saw a largish object move about in the viewfinder area, let them find it & clean it out. Worth a try isn't it & it should be free.

    Hope the above is of help, as for putting a spider in there (bloody typical from an an epz member, made me choke on me coffee laughing.


    dave thelens
    4 Sep 2005 - 9:23 PM

    perhaps its a shutterbug !!!!

    5 Sep 2005 - 12:00 AM

    Be careful with this one... as recounted in a post about a year ago, I tried removing a wee beastie from the focusing screen by brushing it off, and it basically exploded into a smear of insectoid goo. This then led to a series of ill-advised screen cleaning attempts on my part, the upshot of which was that I nearly ruined the focusing screen. Although everything still works ok, I can even now see a slight 'discoluration' through the viewfinder if I'm shooting something with a lot of sky in it.

    So, the moral is, gently gently catchy fly.

    Tony_M  10342 forum posts England
    5 Sep 2005 - 12:25 AM

    Thanks for the warning. I am aware that focusing screens are easily scratched and are difficult to clean, so I'll be careful doing anything near it. I'm not sure about a free sensor cleaning for all new cameras - I've not heard that before, but I suppose I could ask.

    I was considering putting some double-sided sticky tape inside the body cap to trap dust similar to the StikCap. Perhaps it'll catch a fly too?

    stuwhitt  101357 forum posts United Kingdom
    5 Sep 2005 - 3:30 AM

    Quote: I was considering putting some double-sided sticky tape inside the body cap to trap dust similar to the StikCap. Perhaps it'll catch a fly too?

    Or maybe a piece of fly paper


    ahollowa  101070 forum posts England
    5 Sep 2005 - 5:14 AM

    Not sure about a 350D but both my D30 and 10D have removable focus screens. These caost about a fiver so I don't bother trying to clean them as this is bl@@&y hard. Just replace them. There are two little spring clips in the top of the mirror box. unclip and it will drop out.



    exclusive  9579 forum posts United Kingdom
    5 Sep 2005 - 9:13 AM

    ive dismantled my Canon D30 and 300V focusing screens to give em a clean, no problem, luckily im pretty good with my hands and feeling as i couldn't see exactly what i was doing.

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